IFR - 2968
Contents
1. 15 way Sub Miniature D Type For the very latest specifications visit WWW a e rofl ex e CO m FREQUENCY STANDARD Internal Frequency Standard Output Frequency 10 MHz Level Nominally 2 V pk pk Output Impedance Nominally 50 Q Temperature Stability Better than 5 in 108 5 to 50 C Ageing Rate Better than 1 in 10 per year after 1 month continuous use Warm Up Time Less than 10 minutes to within 2 in 10 at 20 C External Frequency Standard Input Frequencies 1 2 5 and 10 MHz Level Greater than 2 V pk pk Input Impedance Nominally 1 MQ in parallel with 40 pF POWER REQUIREMENTS AC supply Voltage 100 240 V Limit 88 264 V Supply frequency 50 60 Hz Limit 45 66 Hz Power Nominally 135 W 260 W maxinum CALIBRATION INTERVAL 2 years ELECTROMAGNETIC COMPATIBILITY Conforms with the protection requirements of the EEC Council Directive 89 336 EEC Conforms with the limits specified in the following stan dards IEC EN61326 1 1997 RF Emission Class B Immunity Table 1 Performance Criteria B SAFETY Conforms with the requirements of EEC Council Directive 73 23 EEC as amended and the product safety standard IEC EN 61010 1 2001 C1 2002 C2 2003 for Class 1 portable equipment for use in a Pollution Degree 2 environment The instrument is designed to be operated from an Installation Category 2 supply ENVIRONMENTAL Rated Range Of Use O to 50 C and up to 95 relative humidity at 402. 358 9 2709 5541 Fax 358 9 804 2441 FRANCE Tel 33 1 60 79 96 00 Fax 33 1 60 77 69 22 GERMANY Tel 49 8131 2926 0 Fax 49 8131 2926 130 HONG KONG Tel 8521 2832 7988 Fax 852 2834 5364 INDIA Tel 91 80 5115 4501 Fax 91 80 5115 4502 KOREA Tel 4821 2 3424 2719 Fax 82 2 3424 8620 As we are always seeking to improve our products the information in this document gives only a general indication of the product capacity performance and suitability none of which shall form part of any con tract We reserve the right to make design changes without notice All trademarks are acknowledged Parent company Aeroflex Inc Aeroflex 2006 SCANDINAVIA Tel 45 Fax 4 45 SPAIN Tel 34 Fax 34 9614 0045 9614 0047 91 640 11 34 91 640 06 40 UK Burnham Tel H44 Fax 44 0 1628 604455 0 1628 662017 UK Cambridge Tel 441 Fax 44 0 1763 262277 0 1763 285353 www aeroflex com info test aeroflex com UK Stevenage Tel 44 0 1438 742200 Fax 44 0 1438 727601 Freephone 0800 282388 is EROFLEX Tel 1 316 522 4981 A passion for performance Fax 1 316 522 1360 Toll Free 800 835 2352 o Our passion for performance is defined by three attributes represented by these three icons solution minded performance driven and customer focused Part No 46891 022 Issue 13 03 04
3. C User Calibration User calibrations are provided to maintain high accuracy for any ambi ent temperature e g in ATE racks or in field measurements Having allowed the instrument to stabilize running the user calibrations opti mizes the performance at that temperature A change in temperature of 5 C from the calibration temperature affects readings as below These figures are provided as a guide to typ ical performance Typical variations are as follows for a 5 C change in temperature Power Meter Burst 0 5 dB Broadband 2 Selective 0 5 dB Spectrum Analyzer Level 0 5 dB Audio Analyzer amp Modulation Filters Audio Voltage 0 4 Demod depth amp deviation 0 4 Multimeter Voltage 0 5 Current 0 5 STORAGE AND TRANSPORT Temperature 40 to 70 C Altitude Up to 2500 m pressurized freight at 27 kPa differential INTERNAL TEST SOFTWARE OPTION 10 NMT CELLULAR SOFTWARE NMT450 NMT900 Benelux NMTF Austria Spain Malaysia Indonesia Saudi 1 Saudi 2 Thailand Oman Tunisia Hungary Poland Russia Czech Bulgaria Slovenia Turkey USER DEFINED NMT OPTION 11 AMPS CELLULAR SOFTWARE E AMPS N AMPS USER DEFINED AMPS OPTION 12 TACS CELLULAR SOFTWARE E TACS TACS 2 C TACS C TACS II J TACS N TACS USER DEFINED TACS OPTION 13 MPT1327 TRUNKING SOFTWARE Band IlI JRC UK Water Hong Kong Auto net AMT Madeira NL TRAXYS NZ MPT1327 PH INDO USER DEFINED MPT OPTION 14 PMRTEST SOFTWARE USER DEFINED PMR for FM radios
4. Keyboard entry delta increment decrement function and rotary variable control Accuracy 5 1 digit for modulation frequencies from 250 Hz to 3 4 kHz over the range 15 to 35 C 0 1 per C outside this range Distortion Less than 1 for modulation frequencies from 250 Hz to 5 kHz for deviation 1 rad to 160 rads Modulation Frequency Range 250 Hz to 5 kHz Resolution 0 1 Hz PHASE MODULATION EXTERNAL Input Impedance Nominally 1 MQ in parallel with 100 pF Frequency Range As internal phase modulation Modulation Frequency Range 250 Hz to 5 kHz Input Sensitivity 2 828 V pk pk for indicated deviation Accuracy As internal 2 INTERNAL MODULATION AND AUDIO SOURCES Up to 6 tone sources can be assigned as 3 modulation generators and 3 audio tone generators Modulation Modes Internal generators may be assigned to AM FM M AUDIO VOLTMETER Input Impedance Nominally 1 MQ in parallel with 100 pF Frequency Range DC and 20 Hz to 500 kHz AC only 20 Hz to 500 kHz Polarized DC less than 10 Hz Level Ranges O to 10 O to 30 O to 100 O to 300 my O to 1 O to 3 O to 10 O to 30 V RMS reading auto ranging or fixed Level Indication 4 digits and barchart with peak hold Level Accuracy DC Coupled 2 of reading 1 mV resolution DC and 100 Hz to 20 kHz 4 of reading 1 mV resolution 40 Hz to 100 kHz Level Accuracy AC Coupled resolution 150 Hz to 20 kHz resolution 100 Hz to
5. OPTION 21 GSM 900 MHz DIGITAL CELLULAR SOFTWARE GSM Phase 1 and 2 TETRA OPTIONS OPTION 30 TETRA MOBILE OPTION OPTION 31 TETRA BASE STATION OPTION OPTION 32 TETRA DIRECT MODE OPTION GENERAL FEATURES SYSTEMS Channel Plans TETRA 380 O Hz or 12 5 kHz offset TETRA 410 0 Hz 6 25 kHz or 12 5 kHz offset TETRA 450 O Hz or 12 5 kHz offset TETRA 800 0 Hz or 12 5 kHz offset TETRA 870 O Hz or 12 5 kHz offset USER DEFINED TETRA No plan Test Modes Manual Test Auto Test Manual Test Signalling Functions TETRA Mobile Registration Location Update all types SSI ITSI Test Mode Registration TEI Power Class Reciever Class De Registration Individual call private call Mobile Originated MO and Mobile Terminated MT Simplex and Duplex Hook Signalling and Direct Setup Calling Party SSI MT Called Party SSI MO Priority Modification by Called Party MT Rejection by Called Party MT Transmit Request and Transmission ceased Cleardown from Mobile or from Test Set Group Attachment Selected Group No Group Multiple Groups up to 40 with Class of Usage Command Registration with Group Report Group Call Mobile Originated MO and Mobile Terminated MT Priority Calling Party SSI MT Called GSSI MO Transmit Request and Transmission ceased Cleardown from Mobile or from Test Set Automatic cleardown on hang timer expiry Phone Call Mobile Originated MO and Mobile Terminated MT
6. Gens 1 2 amp 3 or 1 Hz to 100 kHz AF Gen 4 Setting Keyboard entry delta increment decrement function and rotary control Indication 6 digits Resolution 0 1 Hz Accuracy As frequency standard LEVEL Range 0 1 mV to 5 V RMS maximum AF output 7 V peak all generators combined Setting Keyboard entry delta increment decrement function and rotary control Indication 4 digits Resolution 0 1 mV Accuracy 3 1 digit 250 Hz to 5 kHz 5 1 digit 10 Hz to 20 kHz 10 1 digit 20 kHz to 75 kHz Output Impedance Nominally 5 Q Protection Maximum applied voltage 50 V SIGNAL PURITY Distortion Less than 0 5 at 1 kHz measured in a 30 kHz bandwidth Less than 1 from 20 Hz to 20 kHz measured in an 80 kHz band width Typically 0 1 for levels greater than 100 mV Residual Noise Less than 50 uV RMS CCITT weighted DC Offset Less than 10 mV SIGNALING ENCODER DECODER Sequential tones functions Encodes and decodes up to 40 tones CCIR ZVEI DZVEI EEA EIA or user defined Any of the tones may be extended Continuous burst and single step modes available User defined tones Up to three frequency plans may be defined and stored within the 2968 for sequential tones Any of the standard tone frequency plans may be copied to user defined and modified Tone length 10 ms to 1 s Extended tone length 100 ms to 10 s CTCSS tones mode Standard tone frequencies may be selected from a menu DTMF Encoder Decode Gener
7. signal generated by the base station or to a synchro nization pulse output from the base station The RF T1 Test signal For the very latest specifications visit WWW a e rofl ex e CO m generated in the test set T CH 7 2 type 7 stimulates the base station receiver to enable internal BER measurement Network Simulation The IFR 2968 is highly configurable to enable it to emulate a wide variety of different TETRA networks such that a terminal under test recognizes the IFR 2968 as the network for which it is configured Functional tests provide an essential check for terminals before they are deployed into a TETRA network or when returning to active serv ice after repair The various TETRA RF channel plans are all supported together with user defined or NO PLAN options making the 2968 suitable for use wherever TETRA systems are deployed e TX slot selection and RF power control modes are made user definable to improve versatility Group attachment detachment and modification functions are supported for up to 40 different groups Displayed GSSI information makes it simple for users to verify that terminals are correctly configured for the target user e SDS TL text messages up to 120 characters can be sent or received by the test set using either TETRA or GSM message coding schemes Sent messages can be time stamped and received messages can be displayed with destination SSI and ESN When requested the tester pro vides a mess
8. 00 54441 012 46880 080 Accessories BNC Telescopic antenna 20 dB AF attenuator BNC Soft Carrying Case GSM Phase 2 Plug In TEST SIM GSM Phase 2 Full Size TEST SIM Rack Mounting Kit Memory Card 128 K 600 Q interface and 20 dB AF attenuator Note 1 Accessory socket adapter for use with 2955 acces sories Accessory Socket Y adapter Parallel Printer Interface Cable Serial port to PC Cable 25 way Serial port to PC Cable 9 way GPIB Cable Coaxial cable N Type m to TNC m double screened Coaxial cable N Type m to N Type m 1 meter TNC m to BNC f Adapter N Type m to BNC f Adapter 1 GHz Active Probe Power supply for probe 52388 900 Service Manual Note 1 requires 46884 645 Accessory socket adapter NOTES At low modulation levels the residual AM FM may become significant At low audio levels the residual noise may become significant Audio and Modulation filter passband errors not included Typical performance figures are non warranted Refer to USER CALIBRATION section Either 3 modulation plus 3 audio generators up to 20 kHz or 1 modulation or 1 audio generator to 100 kHz Cell re selection functions require two test sets and a power splitter For the very latest specifications visit WWW a e rofl ex e CO m CHINA Beijing Tel 1 86 10 6539 1166 Fax 86 10 6539 1778 CHINA Shanghai Tel 86 21 5109 5128 Fax 86 21 5150 6112 FINLAND Tel
9. 100 kHz 2 of reading 1 mV 4 of reading 1 mV Residual Noise 100 uV RMS CCITT weighted AUDIO FREQUENCY METER Range 10 Hz to 500 kHz Resolution 0 1 Hz from 10 Hz to 5 kHz 1 Hz from 5 kHz to 50 kHz 10 Hz from 50 kHz to 500 kHz Indication 6 digits Accuracy As frequency standard 1 digit resolution Sensitivity On barchart greater than 25 FSD DC coupled AUDIO SINAD METER Frequency 1 kHz default User selectable up to 20 kHz SINAD Range 5 to 50 aB Resolution 0 1 QB for readings less than 20 dB 0 2 dB for readings less than 25 dB Indication 3 digits and barchart with peak hold Accuracy bandpass filter selected 0 5 dB resolution Sensitivity 100 mV for 46 dB SINAD AUDIO DISTORTION METER Frequency 1 kHz default User selectable up to 20 kHz Distortion Range O to 100 Resolution 0 1 distortion for readings greater than 1 0 2 distortion for readings less than 1 Indication 3 digits and bar chart with peak hold Accuracy 5 of reading resolution bandpass filter selected Sensitivity 100 mV for 0 5 distortion AUDIO S N METER S N Range O to 100 dB Resolution 0 1 dB for readings less than 50 dB 0 2 dB for readings less than 70 dB Indication 3 digits and bar chart with peak hold Accuracy 0 5 dB resolution Sensitivity 2 V for 60 dB 200 mV for 40 dB AUDIO OSCILLOSCOPE Operating Modes Single or Repetitive sweep Frequency Range DC to 500 kHz 10 H
10. CTIVE Frequency Range 100 kHz to 1 GHz IF Bandwidth 300 Hz to 30 kHz in a 1 3 10 sequence and 110 kHz 280 kHz and 3 MHz Dynamic Range Manually tuned O dBm to 50 dBm 110 kHz IF bandwidth N Type 90 dBm to 20 dBm 110 kHz IF bandwidth TNC Power Reading Average Indication Units dBm Resolution 0 1 dB Indication 3 digits barchart with peak hold Accuracy 2 5 dB N Type amp TNC typical See also under Environmental User Calibration RF SPECTRUM ANALYZER Frequency Range 100 kHz to 1 GHz useable from 30 kHz to 1 05 GHz Spans 500 Hz div to 100 MHz div in a 1 2 5 sequence Resolution Bandwidth 300 Hz to 300 kHz in a 1 3 10 sequence and 3 MHz automatically selected according to span and manually selectable Video bandwidth fixed at 3 kHz Filter Shape Nominally 3 dB 60 dB 1 11 300 Hz to 30 kHz bandwidth Reference Level top of screen 100 dBm to 70 dBm On Screen Dynamic Range 80 dB Vertical Resolution 0 5 dB on 10 dB div 0 05 dB on 1 dB div Level Accuracy 2 5 dB typical See also under Environmental User Calibration Intermodulation Distortion Less than 80 dB for 2 signals on screen at reference level Phase Noise typically 70 dBc Hz at 100 Hz from signal 75 dBc Hz at 1 kHz from signal 75 dBc Hz at 10 kHz from signal 85 dBc Hz at 20 kHz from signal 100 dBc Hz at 100 kHz from signal Sweep Speeds Optimum sweep speed selected according to span a
11. Priority Calling Party SSI MT Called Party SSI MO Calling Party ESN MT Called Party ESN MO CLIP CLIR DTMF Overdial Cleardown from Mobile or from Test Set Emergency Call Group Individual Simplex Duplex Hook Signalling Direct Setup Calling Party SSI MT Called Party SSI MO Clear from Mobile or Test Set User Defined Call MT Group Individual Simplex Duplex Hook Signalling Direct Setup Priority Calling Party SSI Calling Party ESN CLIP CLIR Cell Reselection Undeclared Unannounced Announced Type 3 Announced Type 2 Call Restoration Neighbor Cell Broadcast Short Data Service Mobile Originated and Mobile Terminated SDS Types 1 2 3 4 SDS TL Text Messages 7 bit amp 8 bit coding Time stamp SDS TL Short Reports SDS TL User Applications hex data Status Acknowledged Destination SSI amp ESN MO Call Control simplex calls Message Trunking Transmission Trunking Transmision by 2968 Timed Contiuous No transmission Power Control Open Loop Closed Loop RF Loopback Control TT Loopback BER TT Loopback RBER MER T1 Loopback BER Manual Test Signalling Function TETRA DIRECT MODE Group Call Mobile Originated MO Priority Calling Party ITSI Called GSSI Power Class Power Control Flag Clear from Mobile Auto Test Programs TETRA MS GSM Analog Call Processing Only V V V Call and RF Testing V V Brief Testing V V Comprehensive Testing V V V User De
12. Squelch A manual squelch control is provided with a variable threshold AMPLITUDE MODULATION Frequency Range 100 kHz to 1 GHz Modulation Frequency Range 20 Hz to 20 kHz AM Depth Range 0 to 99 9 Resolution 0 1 AM Indication 3 digits and bar chart with peak hold Accuracy up to 85 AM 3 of reading 1 AM 250 Hz to 5 kHz Typically 5 of reading 1 AM 50 Hz to 15 kHz Demodulation Distortion Less than 1 at 1 kHz CCITT weighted Residual AM Less than 0 1 AM CCITT weighted FREQUENCY MODULATION Frequency Range 1 MHz to 1 GHz Modulation Frequency Range 20 Hz to 20 kHz Deviation Range O to 100 kHz Resolution 10 Hz below 10 kHz deviation 100 Hz below 100 kHz deviation Indication 3 digits and bar chart with peak hold Accuracy 3 resolution for mod frequency of 1 kHz 5 resolution for mod frequencies from 100 Hz to 15 kHz Demodulation Distortion Less than 0 5 at 1 kHz CCITT weighted Residual FM Less than 25 Hz RMS CCITT weighted PHASE MODULATION Frequency Range 1 MHz to 1 GHz Modulation Frequency Range 250 Hz to 5 kHz Deviation Range O to 20 rads Resolution 0 01 rads Indication 3 digits and bar chart with peak hold Accuracy 5 resolution Demodulation Distortion Less than 0 5 at 1 kHz CCITT weighted AUDIO GENERATORS See section on modulation generators for interaction of audio and modulation generators FREQUENCY Range 1 Hz to 20 kHz AF
13. TCH 7 2 uplink Control Channel MCCH TETRA RECEIVER MEASUREMENTS BER Testing T1 type 1 TCH 7 2 BER TCH S Class O BER TCH S Class 1 BER TCH S Class 2 BER TCH S Class O RBER TCH S Class 1 RBER TCH S MER For the very latest specifications visit WWW a e rofl ex e CO m Traffic Channel TCH S Talkback Silence 1 kHz test tone 0 153 PRBS TETRA TRANSMITTER MEASUREMENTS Frequency Range 10 MHz to 1 GHz Dynamic Range O dBm to 52 dBm Burst Types Measured Base Station Test NDB Normal Down Link cont using TS1 or TS2 SB Synchronization Burst cont NDB Normal Down Link discont using TS1 or TS2 SB Synchronization Burst discont Burst Types Measured Direct Mode Mobile Test DNB Direct mode Normal Burst using TS1 or TS2 DSB Direct mode Synchronization Burst DSB Direct mode Synchronization Burst cont Burst Types Measured Mobile Test CB Control Burst Half Slot discont NUB Normal Uplink Burst discont TS1 or TS2 NUB Normal Uplink Burst cont TS1 or TS2 RF RELATIVE FREQUENCY ERROR METER Mobiles test mode only Frequency Error Range 500 Hz Burst Types Measured CB NUB discont NUB cont Resolution 10 Hz Indication 3 digits and bar chart with peak hold Accuracy 15 Hz RF ABSOLUTE FREQUENCY ERROR METER Base Station and Direct Mode test modes only Frequency Error Range 500 Hz Resolution 0 1 Hz Indication 3 digits and bar chart with peak hold Accuracy 15 Hz freq
14. Wireless 2968 TETRA Radio Test Set EROFLEX A passion for performance The 2968 TETRA Radio Test Set for comprehensive terminal and base station testing e TETRA terminal and base station test options e Trunked Mode and optional Direct Mode e Simplex and Duplex operation e Group Individual Phone and Emergency call types e Direct or Hook signalling TIPv3 compliant ETSI EN 300 394 1 transmitter and receiver measurements e TETRA Test TT registration and TT loop back BER testing Tl test signal generation and T1 loopback and BER testing e Auto test mode for fast terminal testing e Audio loopback testing for voice or tones e Multi standard platform e Optional TETRALOG protocol analysis e Full span spectrum analyzer and tracking generator e Audio FFT analysis The IFR 2968 TETRA Radio Test Set is a single box solution for testing TETRA radio terminals and or base stations and has been designed to offer maximum flexibility to satisfy applications in design manufacturing and radio maintenance The test set provides all the necessary signalling to control a TETRA radio and then make measurements of key trans mitter and receiver RF and audio parameters Measurements are performed accurately with speed and ease TETRA Measurements Transmitter measurements performed on terminals and base sta tions include burst power power profile frame alignment burst timing error frequency error m
15. age received response to the terminal Call Processing Functions The 2968 supports all the necessary call processing functions required for terminal testing These include registration de regis tration to from a network mobile originated and mobile terminated call set up and clear down Supported call types include individual group telephone emergency and user defined An audio loopback talk back feature is provided to enable simple end to end testing In talkback received audio from the terminal microphone is received time delayed then re transmitted to the terminal from the 2968 and output from the terminal loudspeaker Auto test Pre defined auto test sequences are provided to enable fast and sim ple testing of terminals in repair organizations Test sequences can be selected to perform comprehensive signalling and RF measure ment or protocol only tests to verify functionality only User defined test sequences can be configured via the front panel in which up to 6 different call setup and clear down scenarios can be specified This allows terminals supporting different modes of operation to be fully tested TT loopback can also be incorporated within an automated test program enabling simple and repeatable Go No Go testing of terminals TIP V3 Compatibility Call processing functions are performed in accordance with the TETRA MoU TETRA Interoperability Profile version 3 This ensures that the IFR 2968 is able to test all si
16. ation and decode of DTMF tones displaying Hi Lo frequencies frequency error timing information and twist DCS Encode Decode Generation and decoding of digitally coded squelch POCSAG generator Generation of POCSAG code CCIR No 1 Rec 584 Bit rates from 400 to 9600 bit s AUDIO MONITOR Audio and demodulation signals may be monitored via the internal loudspeaker or via the accessory socket output or BNC socket on the rear panel GENERAL FEATURES INTERFACES Keyboard and Display Logical color coded keyboard with bright high resolution CRT GPIB Full control of all major instrument functions via the GPIB interface Flexibility is further enhanced by Aeroflex s implementation of IEEE 488 2 Capability Complies with the following subsets as defined in IEEE 488 1 1978 SH1 AH1 T5 TEO L4 LEO SR1 RL1 PPO DC1 DT1 C1 E1 Serial Serial interface is provided for connection of RS 232 for instrument remote control 9 Way socket Control language is based on IEEE P1174 Parallel Connector 25 way female D Type Provides graphics screen dump A selection of printer drivers are included Accessory Socket Allows the connection of various optional accessories With suitable adapters is compatible with most 2955 series acces sories Memory Card Meets PCMCIA2 JEIDA 4 standard The memory card facility allows the storage of test results and set ups Video Output Color compatible with most VGA monitors
17. ator Frequency 100kHz 36MHz 72MHz 144MHz 288MHz 576 MHz 1 GHz Indication 4 digits Setting Keyboard entry delta increment decrement function and rotary variable control Accuracy 3 1 digit at 1 kHz over the range 15 to 35 C 0 1 per C out side this range 3 1 digit typ for mod frequencies from 20 Hz to 5 kHz 7 1 digit typ for mod frequencies from 5 kHz to 20 kHz 10 1 digit typ for mod frequencies from 20 kHz to 75 kHz Distortion Less than 0 5 for modulation frequencies from 250 Hz to 5 kHz for deviation 1 kHz to 800 kHz Less than 1 for modulation frequencies from 50 Hz to 20 kHz for deviation 1 kHz to 800 kHz Modulation Frequency Range 20 Hz to 20 kHz Mod generators 1 2 3 or 20 Hz to 100 kHz Mod generator 4 Resolution 0 1 Hz FREQUENCY MODULATION EXTERNAL Input Impedance Nominally 1 MQ in parallel with 100 pF Frequency Range As internal FM Maximum Deviation Max Peak Deviation Resolution 160 0 5 rads 80 0 2 rads 40 0 1 rads 20 0 060 rads 8 0 020 rads 40 0 1 rads Signal Generator Frequency 100kHz 36MHz 72MHz 144MHz 288MHz 576MHz 1 GHz Modulation Frequency Range DC to 100 kHz DC coupled 10 Hz to 100 kHz AC coupled Input Sensitivity 2 828 V pk pk for indicated deviation Accuracy As internal 2 for frequencies up to 20 kHz PHASE MODULATION INTERNAL Frequency Range 100 kHz to 1 GHz useable to 1 15 GHz Indication 4 digits Setting
18. dB at lt 3 kHz relative to 1 kHz 20 kHz Lowpass 0 3 dB at lt 12 kHz typically 0 9 dB at lt 15 kHz and 3 dB at 20 kHz relative to 1 kHz CCITT Psophometric C MESSAGE See also under Environmental User Calibration MULTIMETER Input Terminals 3x 4mm Volt Ohm Current and Common Maximum Input Voltage 300 V CAT II with respect to instrument chassis Accuracy specifications apply with a maximum common mode volt age of 25 V VOLTMETER Voltage Range O to 300 V O to 30 V O to 3 V O to 300 mV Terminals Volt Ohm and Common maximum crest factor 3 1 at range full scale Frequency Range Polarized DC or 40 Hz to 1 kHz Input Impedance Nominally 6 MQ in parallel with 100 pF Resolution 0 1 of FSD Accuracy DC 3 of reading 2 mV 1 digit AC DC 3 of reading 3 mV 1 digit See also under Environmental User Calibration Indication 3 digits and barchart with peak hold AMMETER Current Range Oto1AandO0to10A Frequency Range Polarized DC or 40 Hz to 1 kHz Resolution 1 mA below 1 A 10 mA below 10 A Accuracy DC 5 of reading 50 mA 1 digit AC DC 5 of reading 150 mA 1 digit Indication 3 digits and barchart with peak hold RESISTANCE METER Resistance Ranges 100 Q 1 KQ 10 KQ 100 kQ 1 MQ Resolution 1 Q below 1 KQ or 3 digits Accuracy 5 of reading 1 Q 1 digit Continuity Test continuous tone if reading is less than 10 Q Indication 4 digits a
19. fined Test V V y For the very latest specifications visit WWW a e rofl ex e CO m Digital Parametric Auto Test Routines TETRA MS GSM Tx Timing V V Tx Power Level Vy V Tx Power Profile y V Tx Frequency V V Tx RMS Vector Phase Error V V Tx Peak Vector Phase Error Vy y Tx Residual carrier V Rx BER Class 0 1 2 V Rx RBER Class 0 1 V Rx BER Class I II y Rx RBER Class b II V Rx Frame Message Erasure V V Rx Sensitivity V Rx RSSI Report V Analog Parametric Auto Test Routines AF Frequency AF Level FM Deviation Mod Frequency Rx Distortion Rx Expansion Rx Sensitivity Rx SINAD Rx S N Tx Compression Tx Distortion Tx Frequency Tx Level Tx Power Level Tx Limiting Tx Mod Level Tx Noise Tx SINAD Tx S N SAT Deviation SAT Frequency ST Duration ST Frequency ST Deviation Data Deviation DSAT Deviation VERSIONS AND ACCESSORIES When ordering please quote the full ordering number information Signalling Auto Test Routines Registration Roaming Update Test Mode registration TETRA Place Call Clear From Mobile TETRA has six configurable call setup and clear down tests MO MT GROUP PRIVATE PHONE Page Call Mobile Handoff Not TETRA Clear From Land Speech Quality Hook Flash Not GSM TETRA DTMF Decode Not GSM TETRA Data Performance Not GSM TETRA PTT On PTT Off Auto Test Pause Modes Pause Manual Only Pause On Failure Pause Always Dimensions and Weight Excluding handle feet and covers Heigh
20. han 108 dBc Hz up to 1 GHz AMPLITUDE MODULATION INTERNAL Frequency Range 100 kHz to 400 MHz useable to 1 15 GHz AM Depth Range O to 99 Resolution 0 1 Indication 3 digits Setting Keyboard entry delta increment decrement function and rotary variable control Accuracy up to 85 AM 4 of setting 1 digit for modulation frequency 1 kHz 6 of setting 1 digit for modulation frequencies from 30 Hz to 10 kHz 8 of setting 1 digit for modulation frequencies from 10 kHz to 20 kHz Distortion Less than 1 at 1 kHz for modulation depths up to 30 CCITT weighted Less than 2 for modulation frequencies from 100 Hz to 20 kHz and depths up to 85 Modulation Frequency Range 20 Hz to 15 kHz for carrier frequencies up to 36 MHz 20 Hz to 20 kHz for carrier frequencies up to 400 MHz Resolution 0 1 Hz below 10 kHz 1 Hz below 20 kHz AMPLITUDE MODULATION EXTERNAL Input impedance Nominally 1 MQ in parallel with 100 pF Frequency Range As internal AM Modulation Frequency Range As internal AM with AC or DC coupling Accuracy As internal 2 Input Sensitivity 1 VRMS for indicated modulation depth FREQUENCY MODULATION INTERNAL Frequency Range 100 kHz to 1 GHz useable 90 kHz to 1 15 GHz For the very latest specifications visit WWW a e rofl ex e CO m Maximum Deviation Max Peak Deviation Resolution 800 kHz 500 Hz 400 kHz 200 Hz 200 kHz 100Hz 100 kHz 50 Hz 40 kHz 20 kHz 20 kHz 10 Hz Signal Gener
21. he testing of the terminal protocol during development or interoperability testing These messages can be displayed with vary ing degrees of detail from LMAC layer 2 1 to CMCE and MM layer 3 2 Standard Features The basic 2968 platform is provided with a comprehensive range of standard features including e Fully featured full span spectrum analyzer and variable level offset tracking generator for signal measurement alignment filter amplifier and mixer response measure ments e FFT analyzer for fast and high resolution audio measure ments e Variable frequency SINAD and distortion measurement for customized applications e Wide range of audio filters for versatile audio characteriza tion e Comprehensive audio generator with up to 6 sources enabling complex signalling e Broad band and selective power meters to enable meas urement of total transmitted power or channel power e Built in multi meter Options The 2968 may be configured with any combination of available system options All supported standards can co exist on the same platform This makes the 2968 ideal for repair workshops where mixed product is supported In addition to the various TETRA terminal and base station radio options MPT1327 1343 trunking GSM TACS AMPS NMT and SSB system options are also available GSM 900 MHz Option 21 This option compatible with GSM Phase 2 allows control and meas urement of GSM 900 MHz mobile termi
22. milarly conforming TETRA terminals Direct Mode Operation DMO option 32 DMO functionality includes signalling verification as well as trans mitter measurement capability The 2968 displays the mobile s ITSI as well as other call setup parameters such as call type and encryption status in much the same way as for normal Mobile Test trunked mode operation option 30 Operation The IFR 2968 can be manually operated or incorporated into an auto mated test system and controlled via RS 232 or GPIB Manual control is via front panel hard and soft keys used in conjunction with a mono chrome CRT A VGA compatible monitor may be connected in which case display information is presented in color RF input output ports to the test set are selectable as either single port or dual port duplex The two RF inputs provide the flexibility to connect the 2968 direct ly to high power signal sources up to 150 W or to low level signals dur ing off air analysis Single port operation is ideal for terminal testing whereas dual port configuration is ideal for base station testing where the TX and RX ports are independent TETRALOG Refer to separate data sheet 46891 117 for detail As an optional accessory to the 2968 a software application can be provided for use in conjunction with a PC operating in Windows This application captures and displays decoded protocol messages that are exchanged between the radio test set and the TETRA termi nal to aid t
23. nals The option is designed to enable radio alignment and test during radio repair For more information on other system options refer to product spec ification literature 2965 2967 available from www ifrsys com Support The 2968 is supplied with a standard 2 year warranty with an option al extension to 3 years and a recommended calibration interval of 2 years Upgrade of functionality is through software download which can be performed in the field by Aeroflex support personnel or at any of Aeroflex s approved service centers The 2968 is supported by a component level service manual which is backed up by factory run training courses arranged on demand On site service training or user training can be supplied by arrangement SPECIFICATION GENERAL INFORMATION Certain characteristics are shown as typical These provide additional information for use in applying the instrument but they are unwarrant ed TETRA SIGNAL GENERATOR FREQUENCY Range 10 MHz to 1 GHz useable to 1 15 GHz Resolution 1 Hz Indication 4 digit display channel number in SYSTEMS mode 10 digit display Hz in Duplex mode Setting SYSTEMS mode Channel number and frequency plan or direct entry in MHz Other modes Keyboard entry Hz delta increment decrement func tion and rotary variable control Accuracy As frequency standard OUTPUT LEVEL Range One port Dx modes N Type socket 135 dBm to 50 dBm TNC socket 135 dBm to 30 dBm Rx Test and t
24. nd bar chart with peak hold RF FREQUENCY METER Range 100 kHz to 1 GHz Resolution 1 Hz or 10 Hz selectable Indication Up to 10 digits Accuracy As Frequency Standard 2 Hz resolution Dynamic Range Auto tuned As RF Power Meter broadband Frequency Range Auto tuned 10 MHz to 999 9 MHz Sensitivity Manual tuned 100 dBm TNC dependent on receiver bandwidth in off air test mode Offset Frequency Range 1 MHz dependent on receiver bandwidth RF POWER METER BROADBAND Frequency Range 100 kHz to 1 GHz Dynamic Range Auto tuned 10 mW to 150 W N Type 100 uW to 0 5 W TNC Power Reading True mean power Indication Units Watts Resolution Better than 1 Indication 3 digits and barchart with peak hold Accuracy 100 kHz to 500 MHz 7 5 0 3 dB 0 1 W to 50 W N Type 10 0 4 dB 20 mW to 150 W N Type 12 0 5 dB 200 uW to 50 mW TNC 500 MHz to 1 GHz 12 0 5 dB 20 mW to 150 W N Type 15 0 6 dB 200 uW to 50 mW TNC 100 kHz to 1 GHz 7 5 0 3 dB 0 1 W to 50 W N Type 10 0 4 dB 1 mW to 50 mW TNC for ambient temperatures in the range 15 C to 35 C See also under Environmental User Calibration Maximum Safe Continuous Rating N Type 50 W TNC 0 5 W overload protected to 10 W Intermittent Rating N Type 150 W for limited periods typically 2 minutes at 20 C Typical off to on ratio is 6 1 Overload indicated by audible and visual warn ing RF POWER METER SELE
25. nd resolution bandwidth Modes Single sweep and continuous Graticule 10 horizontal by 8 vertical divisions Display Features Normal Expanded For the very latest specifications visit WWW a e rofl ex e CO m Markers M1 and M2 Indication Level M1 M2 M1 M2 Frequency M1 M2 M1 M2 TRACKING GENERATOR Available in RF TEST mode Frequency Range 100 kHz to 1 GHz Level Range 135 dBm to 13 dBm Offset Tracking Allows testing of mixers IFs fundamental and 2nd harmonic analysis up down x2 2 MODULATION ANALYZER Dynamic Range Auto tuned As RF Power Meter Broadband Sensitivity Manual tuned N Type 30 dBm 110 kHz IF bandwidth TNC 50 dBm 110 kHz IF bandwidth TNC off air test mode 101 dBm 2 uV 10 dB SINAD in 30 kHz IF bandwidth and CCITT weighting Demodulation Accuracy maintained on signals greater than 60 dBm Receiver Bandwidths 300 Hz to 30 kHz in a 1 3 10 sequence and 110 kHz 280 kHz and 3 MHz Demodulation Filters As audio analyzer plus 5 kHz lowpass 0 3 dB at less than 3 4 kHz relative to 1 kHz Audio Output Available in to an internal loudspeaker demodulated output or acces sory socket for external loudspeaker or headphones Switching Speed Nominally less than 1 ms channel to channel up to 50 MHz apart set tling to within 1 kHz of final frequency Demodulated Output Nominal output impedance less than 10 Q Output voltage is range dependent 2 V peak at top of range
26. odulation accuracy EVM and residual carrier All are performed in accordance with ETSI EN 300 394 1 These parameters are measured for each of the different TETRA burst types and displayed numerically on a summary screen as well as a graphical bar chart Individual parameters are support ed by dedicated graphical displays to aid design engineering or fault diagnosis Demodulated symbol data for captured bursts can be dis played or output for offline storage or analysis The IFR 2968 is able to perform TETRA receiver sensitivity meas urements by various means depending upon the capability of the radio under test TETRA terminals supporting TT loopback can be automatically tested by allowing the 2968 to control test mode regis tration and RF loopback during which BER MER and RBER param eters can be measured Terminals supporting T1 test mode can be tested for BER using T1 loopback MER and BER may be measured by the terminal under test using the T1 signals generated by the 2968 The T1 signal types supported include TCH 7 2 type 1 TCH 2 4 type 4 and SCH F type 2 Receiver sensitivity SINAD Distortion may also be tested by recovering and analyzing audio sig nals from the terminal using the array of standard audio analysis fea tures of the tester The 2968 provides the necessary RF stimulus modulated with a digitized encoded audio tone silence or talkback For base station testing the 2968 supports synchronization either to the downlink
27. resh Persistence Accumulate PHASE TRAJECTORY DIAGRAM Amplitude and phase continuously measured over all symbols of the burst SN SN through TETRA filter Display Features Normal Expanded Display Mode Single Continuous Refresh Accumulate VECTOR ANALYSIS DISPLAYS Vector error magnitude error and phase error displays Amplitude error and Phase error Continuous measured over all symbols of the burst SN SN through TETRA filter Display Features Normal Expanded Display Mode Single Continuous RF ANALOG SIGNAL GENERATOR AS TETRA GENERATOR EXCEPT FOR Frequency Range 100 kHz to 1 GHz useable 90 kHz to 1 15 GHz OUTPUT LEVEL Range One port Dx modes N Type socket 135 dBm 40 dBm TNC socket 115 dBm 20 dBm Rx Test and two port Dx modes N Type socket 135 dBm 10 dBm 20 dBm with AM TNC socket 115 dBm 10 dBm O dBm with AM Indication 4 digits plus sign dBm dBu V u V u V PD EMF SPECTRAL PURITY Residual FM CCITT weighted 15 to 35 C Less than 6 Hz RMS up to 575 MHz Less than 12 Hz RMS up to 1 GHz Residual AM CCITT weighted Less than 0 05 RMS Harmonics Better than 30 dBc for levels up to 7 dBm TNC Better than 30 dBc for levels up to 13 dBm N Type Spurious signals Better than 45 dBc for carrier frequencies from 100 kHz to 36 MHz Better than 50 dBc for carrier frequencies above 36 MHz SSB Phase Noise 20 kHz offset Better than 114 dBc Hz up to 575 MHz Better t
28. t Width Depth 177 mm 370 mm 540 mm 6 9 in 14 5 in 21 2 in Including handle feet and covers Height Width Depth 203 mm 420 mm 600 mm 7 9 in 16 5 in 23 6 in Weight Less than 19 5 kg 42 9 Ib Ordering Numbers Versions 2968 TETRA Radio Test Set Must be ordered with Option 30 31 or 32 TETRA Options Option 30 TETRA Mobile Option Option 31 TETRA Base Station Option Option 32 TETRA Direct Mode Option System Options Option 09 SSB Receiver Option Option 10 NMT Cellular Radio Option Option 11 AMPS Cellular Radio Option including N AMPS Option 12 TACS Cellular Radio Option including N TACS Option 13 MPT 1327 MPT 1343 Trunked Radio Option Option 14 PMRTEST for AM FM M radios Option 21 GSM 900 MHz Digital Cellular Option 22 Mobile Tuning Range Test Language Options Option 01 French Language Version Option 02 Spanish Language Version Option 03 German Language Version Note Default language selection is English TETRA system Options 30 31 and 32 are available in English only General Options W3 3 year warranty Supplied with AC supply lead Operating and programming manuals Multimeter test lead kit TETRA Applications 81514 TETRALOG MS Protocol Analyzer Refer to datasheet 46891 117 requires Option 30 54421 001 54431 023 54112 157 54212 001 54212 002 54127 310 59000 189 54411 052 46884 645 46884 646 46884 560 46884 649 46884 650 43129 189 43130 596 54311 095 54311 071 54311 092 52388 9
29. uency standard accuracy TETRA RF POWER METER Power Measurement Average power during one burst measured at the symbol points measured through a TETRA filter Root Nyquist 0 35 averaged over n bursts selectable between n 1 to n 250 Indication Units dBm Watts Resolution 0 1 dB Indication 3 digits and bar chart with peak hold Accuracy 0 6 dB for temperatures in the range 15 to 35 C See also under Environmental User Calibration BURST TIMING ERROR Range 510 symbols Resolution 0 01 symbols Indication 5 digits Accuracy 0 05 symbols TETRA MODULATION ANALYZER Modulation Error Range 20 RMS Vector error 40 Peak Vector error 20 Residual Carrier Resolution 0 25 Indication 4 digits and bar chart with peak hold Vector Error profile Accuracy 0 5 at 10 error GRAPHICAL DISPLAYS RF POWER PROFILE Vertical Scale 10 dB div or 3 dB div Burst Type Selectable BS MS and DM MS Discontinuous only Power Measurement Measured through TETRA filter Referenced O dB to average power Power Profile Dynamic Range 50 dB Indication Power profile against TETRA template Display Complete Burst Ramp Up Ramp Down Accuracy 0 6 dB at symbol points for levels greater than 10 dB CONSTELLATION DIAGRAM Amplitude and phase at the symbol point measured over all symbols of the burst SN SN measured through TETRA filter Display Features Normal Expanded Display Mode Single Continuous Ref
30. wo port Dx modes N Type socket 135 dBm to 40 dBm TNC socket 135 dBm to 20 dBm Resolution 0 1 dB Indication 4 digits plus sign dBm Accuracy N Type socket 1 dB TETRA modulation over the temperature range 15 to 35 C Otherwise 1 2 dB up to 575 MHz 1 75 dB up to 1 GHz for levels above 120 dBm 1 3 dB up to 1 GHz over the temperature range 15 to 35 C Carrier On Off Keyboard operation reduces signal generator output to lt 120 dBm Reverse Power Protection N Type socket With instrument switched on 150 W Overload indicated by visual and audible warning TNC socket Protection up to 10 W Reset available on removal of RF power Excess power indicated by visual and audible warnings Output Impedance 50 Q nominal VSWR N Type socket better than 1 2 up to 500 MHz better than 1 3 up to 1 GHz typically 1 2 TNC socket typically 1 3 at 900 MHz RF Carrier Leakage Less than 0 5 uV PD generated at the carrier frequency in a 50 Q load by a 2 turn loop 25 mm or more from the case with output level set to below 60 dBm and terminated in a sealed 50 Q load TETRA MODULATION Modulation Type 7 4 DQPSK Modulation Rate 18 k symbols sec Modulation Filter Root Nyquist a 0 35 Vector Error lt 3 RMS lt 6 peak Residual Carrier Power lt 35 dBc Data T1 test signals in accordance with ETS 300 394 1 T1 type 1 TCH 7 2 downlink T1 type 2 SCH F downlink T1 type 4 TCH 2 4 downlink T1 type 7
31. z to 500 kHz AC coupled Glitch Catching 1 us minimum Voltage Ranges 2 mV div to 20 V div ina 1 2 5 sequence Voltage Accuracy 5 of full scale Timebase 5 us div to 10 s div in a 1 2 5 sequence Timebase Accuracy As frequency standard Trigger Mode Auto trigger Marker Indication Level M1 M2 M2 M1 Time M1 M2 M2 M1 Graticule 10 Horizontal by 8 Vertical divisions Can be magnified to full screen For the very latest specifications visit WWW a e rofl ex e CO m AUDIO FFT ANALYZER Span Widths 50 Hz to 50 kHz in a 5 10 25 sequence Above 40 kHz signals are attenuated by 80 dB octave Graticule 10 Horizontal by 8 Vertical divisions Can be magnified to full screen Level Reference top of screen 10 mV to 20 V in a 1 2 5 sequence Level Accuracy 0 3 dB 100 Hz to 15 kHz typically 1 dB 40 Hz to 40 kHz Vertical Scaling 1 2 5 10 dB div Dynamic Range 60 dB Max hold facility Audio Sweep facility DC to 20 kHz Marker Indication Level M1 M2 M1 M2 Frequency M1 M2 M1 M2 AUDIO BAR CHARTS Displays AF voltage SINAD Distortion S N Vertical Resolution 1 of full scale Ranging Auto ranging range hold or manual selection up down 1 3 10 sequence with hysteresis With peak hold facility AUDIO AND MODULATION FILTERS 300 Hz Lowpass 0 1 dB less than 150 Hz 0 2 dB 150 200 Hz relative to 100 Hz 300 Hz to 3 4 kHz Bandpass 0 4 dB 400 2100 Hz relative to 1 kHz 5 kHz Lowpass 0 3
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