2026q data sheet - Mr Test Equipment
Contents
1. gt 40 dB gt 40 dB measured values are supplied with each instrument with a frequency response of lt 0 1 dB across the frequency bands 865 MHz to 895 MHz 1750 MHz to 1780 MHz and 1930 MHz to 1990 MHz Measurement uncertainty of 0 25 dB applies Options are available providing lower path loss figures please contact your IFR sales office for further details VSWR refer to Figure 1 865 MHz to 895 MHz 1750 MHz to 1990 MHz Port X lt 1 2 1 lt 1 35 1 Port Y lt 1 6 1 lt 1 6 1 Port Z lt 1 35 1 lt 1 35 1 Typically lt 1 25 1 For the very latest specifications visit WWW a e rofl ex e CO m Maximum Safe Power matched Port X 19 dBm Port Y 33 dBm Port Z 33 dBm RF Output connector 50 Q type N connector to MIL PRF 39102 Output protection Individual outputs Protected from a source of reverse power up to 50 W from 50 Q or 25 W from a source VSWR of 5 1 Protection circuit can be reset from the front panel or via the GPIB interface Combined output No reverse power protection SPECTRAL PURITY Harmonics Individual outputs Typically better than 30 dBc for RF level up to 6 dBm typically bet ter than 25 dBc for RF levels up to 18 dBm 14 dBm above 1 2 GHz Combined output Typically better than 30 dBc for RF level up to 36 dBm typically bet ter than 25 dBc for RF levels up to 13 dBm Non Harmonics Better than 70 dBc to 1 GHz better than 64 dBc above 1 GHz bet ter tha2. Independent Signal Generators Each of the RF generators contained within 2026Q may be used inde pendently routed to their individual RF connectors In this mode each generator covers the full frequency range 10 kHz to 2 4 GHz with an output power of between 137 dBm and 24 dBm Each source may be independently modulated either from an internal or external source s Modulation modes include AM FM PM Pulse and 2 4 level FSK The standard 2026 specification applies when used in this mode Excellent Spectral Purity Very low phase noise and spurious responses are achieved making them ideal for CDMA handset interference tests and other general purpose applications The 2026Q has a low residual FM of typically 3 Hz and typical sideband noise of 121 dBc Hz at 20 kHz offset from 1 GHz The excellent noise floor performance is more than adequate for mobile handset and base station testing RN Q fse 2 Q 2 150 0 01003 01 03 1 2 3 10 30 100 30 100 Offset k Hz Typical SSB Phase Noise at 1 GHz 110 120 S B Phase Noise dBc Hz 140 1 00 10 00 100 00 1000 00 Frequency MHz 10000 00 Typical Phase Noise at 20 kHz offset Flexible Source Routing Each of the signal sources can
3. at 1 kHz Waveforms Sine wave to 20 kHz and a triangular or square wave to 3 kHz Square wave jitter lt 6 4 us on any edge Audio Output The modulation oscillator signal from each source is available on the front panel Modulation Input Output BNC connector at a nominal level of 2 V RMS EMF from a 600 Q source impedance EXTERNAL MODULATION Input on the front panel Modulation Input Output connector The mod ulation is calibrated with 1 414 V peak 1 V RMS sine wave applied Input impedance is 100 KQ nominal Maximum safe input 15 V MODULATION ALC The external modulation input can be levelled by a peak levelling ALC system over the input voltage range of 0 75 V to 1 25 V RMS sine wave High and low indicators in the display indicate when the input is outside levelling range SWEEP MODE The carrier frequency of one source can be swept To enable more than one source to be swept the coupling facility must be invoked Control parameters Start stop values of carrier frequency frequency step size and time per step Step time 50 ms to 10 s per step Trigger A trigger input is available on a rear panel BNC connector and can be used in single continuous start stop or single step mode For the very latest specifications visit WWW a e rofl ex e CO m FREQUENCY STANDARD OCXO Frequency 10 MHz Ageing rate 2 5 in 107 per year 5 in 109 per day after 2 months continuous use Temperature Stability Better than 5 i
4. otherwise indicated Temperature O to 55 C Humidity up to 93 at 40 C Altitude up to 3050 m 10 000 ft CONDITIONS OF STORAGE AND TRANSPORT Temperature 40 to 71 C Humidity up to 93 at 40 C Altitude up to 4600 m 15 000 ft POWER REQUIREMENTS AC Supply 90 to 132 V or 188 to 255 V 47 Hz to 63 Hz 250 VA maximum CALIBRATION INTERVAL 2 years DIMENSIONS AND WEIGHT over projections but excluding front panel handles Height Width Depth Weight 177mm 419mm 488mm lt 17kg OPTIONS OPTION 116 GSM MODULATION Option 116 is available on 2026Q and 2026A B signal generators Baseband source Data rate 270 833333 kHz 13 MHz 48 Data rate accuracy As 10 MHz frequency standard Filter Gaussian filter approximated by eight pole RC network Number of outputs 3 Data pattern 215 1 PRBS sequence The outputs are separated in time to ensure that they are not correlat ed ACCURACY FM deviation Typically better than 2 when used as described SPECTRAL CHARACTERISTIC Wideband noise For an output of 10 dBm on the individual output typically 83 dBc measured in a 100 kHz bandwidth relative to the modulated signal measured in a 30 kHz bandwidth at 6 MHz offset in accordance with ETSI defined measurement methods on wideband noise 1 Level uncalibrated above 20 dBm for frequencies gt 1 2 GHz 7 dBm at combiner output 2 Level accuracy is unspecified below 100 kHz for levels gt 6 dBm 3 For RF ou
5. Advanced Test Equipment Rentals aioe gt www atecorp com 800 404 ATEC 2832 2 026Q CDMA Interferer Multisource Generator The 2026Q is designed to work with a radio test set to provide a fully integrated radio receiver test e Two tone interference generation for AMPS CDMA receiver testing in accor dance with IS 97 A IS 98 A e Option for providing GSM signals for receiver and amplifier testing Combiner output frequency range from 800 MHz to 2 0 GHz e Provides single calibrated point of refer ence for the transceiver under test e Excellent phase noise and spectral purity e Elimination of additional RF combining or signal conditioning e High internal isolation of returned signals e Includes two independent fully featured RF signal generators 10 kHz to 2 4 GHz e Very low levels of internally generated intermodulation products Single unit solution for CDMA interfer ence testing The 2026Q is a derivative of the popular 2026 MultiSource RF signal generator It has been designed to work directly with a CDMA radio test set to produce a fully integrated radio receiver test solution for CDMA cellular and PCS systems in accordance with IS 97 AI1S 98 A solution for cellular and PCS systems Calibrated and Combined Signal Path It is designed to produce a fully calibrated combined RF output con taining any mix of internally generated interference signals from its two RF sources together wit
6. ance 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 2004 SCANDINAVIA Tel 45 9614 0045 Fax 45 9614 0047 SPAIN Tel 34 91 640 11 34 Fax 34 91 640 06 40 UK Burnham Tel 44 0 1682 604455 Fax 44 0 1682 662017 www aeroflex com info test aeroflex com UK Stevenage Tel 44 0 1438 742200 Fax 44 0 1438 727601 Freephone 0800 282388 rea EROFLEX Tel 1 816 522 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 004 Issue 8 02 04
7. cies lt 500 MHz useable to 1 5 GHz on the individ ual outputs Range 0 to 99 9 Resolution 0 1 Accuracy 3 5 of set depth at 1 kHz rate 1 dB Bandwidth DC to 30 kHz DC coupled 10 Hz to 30 kHz AC coupled 20 Hz to 30 kHz AC coupled with ALC Distortion 3 lt 1 5 at 1 kHz rate for modulation depths up to 30 lt 2 5 at 1 kHz rate for modulation depths up to 80 Modulation source Internal LF generator or external via front panel BNC PM on AM Typically 0 1 radians at 30 depth at 470 MHz PULSE MODULATION Frequency range 32 MHz to 2 4 GHz useable to 10 MHz RF level range Maximum guaranteed output is reduced by 5 dB when pulse modula tion is selected RF level accuracy When pulse modulation is enabled adds 0 5 dB to the RF level accuracy specification Control Pulse input is on a front panel BNC with 10 kQ nominal input imped ance A logic O O V to 1 V turns the carrier off a logic 1 3 5 V to 5 V turns the carrier on Maximum input is 15 V On off ratio Better than 45 dB below 1 2 GHz better than 40 dB above 1 2 GHz Rise and fall times Less than 10 us Overshoot lt 1 dB MODULATION OSCILLATOR The internal modulation oscillator for each signal source is capable of generating one or two modulation tones simultaneously in one modula tion channel Frequency range 0 01 Hz to 20 kHz with a resolution of 0 01 Hz Frequency accuracy As frequency standard Distortion Less than 0 1 THD
8. either be routed to a separate output connector or switched to the input of an RF combiner network before being fed to the combiner output connector The combiner routing is set up quickly and effectively using the Combiner Set Up menu Combiner Setup Menu 2 m e fe Indep nt Combiner ADE or OFF C not fitted Setting up the source and combiner routing The flexibility of the signal routing allows the 2026Q to accept an external input from another signal generator such as the 2050 Digital and Vector Generator producing CDMA modulation or a radio test set Automatic Source Coupling The two internal generators can have their frequency and level cou pled In the case of RF level this coupling can be any fixed offset enabling control of a single parameter to manifest a change in both sources For RF frequency this coupling can be both a fixed frequen cy offset or a harmonically related offset and again allow simple pro gramming and control of the instrument A and B Frequency Coupling ENABLED Enables Disable Harmonics Sub harm B harmonic x A offset Harmonic 2 Offset 25 000 kHz Enables r Disable A and Level Coupling ENABLED E A offset Offset 3 0 dB A amp C Coupling as ON ON C gt ON Setting up coupling Sweep The 2026Q allows either of the independent RF sources to be fre quency swept with
9. frequency range 10 kHz to 2 4 GHz with a resolution of 1 Hz Combined output frequency range 800 MHz to 2 0 GHz with a resolution of 1 Hz Accuracy As frequency standard RF OUTPUT Range Individual outputs 137 dBm to 24 dBm Combiner outputs 137 dBm to 3 dBm Maximum output is reduced by 5 dB when pulse modulation is select ed and or by up to 6 dB when AM is selected dependent upon AM depth Resolution 0 1 dB or 3 digits for linear units Accuracy Individual RF outputs over temp range 17 to 27 C RF Level 127 dBm to 100 dBm to gt 6 dBm 100 dBm 6 dBm to 24 dBm Up to 1 2 GHz 1 0 dB 0 8 dB 1 0 dB Above 1 2 GHz 1 6 dB 1 6 dB 2 0 dB Temperature Stability Up to 1 2 GHz lt 0 02 dB C Above 1 2 GHz lt 0 04 dB C Accuracy Combined RF output over temp range 17 to 27 C and level range 20 dBm to 35 dBm RF Frequency range Level Accuracy 865 MHz 895 MHz 0 75 dB 1750 MHz 1990 MHz 0 75 dB Attenuator hold Inhibits operation of the step attenuator from the level at which the key is enabled Useable for a level reduction of at least 10 dB Typical accuracy 3 qB VSWR Individual outputs For output levels less than 5 dBm output VSWR is less than 1 5 1 for carrier frequencies up to 1 2 GHz and less than 1 7 1 for carrier fre quencies up to 2 4 GHz Path Loss 865 MHz to 895 MHz 1750 MHz to 1990 MHz X Y 14 dB typ 15 dB typ Y gt 2 13 5 dB typ 13 5 dB typ Y gt X
10. h a calibrated signal path for a radio test set transmit output A return path from the transceiver back to the radio test set receiver input is also provided through the instrument as illustrated in figure 1 This allows a CDMA receiver to be tested for sensitivity in the pres ence of single or dual tone interference The interfering signals are combined without the need for any RF switching mechanism that would otherwise affect the test result Option 116 allows the 2026Q to provide GSM modulated signals for receiver or amplifier testing with low floor noise characteristics High Isolation 2026Q is configured to ensure high levels of isolation between each of the transmit and receive paths between the radio test set the interfering signal sources and the transceiver under test 2026 COMBINER INPUT FROM RADIO TEST SET PCBASSEMBLY Extemal6 dB attenuator recommended for 15 97 A 1S 98 A applications Figure 1 2026Q configured for radio testing with a test set For the very latest specifications visit WWW a e rofl ex C O m EROFLEX A passion for performance Path loss test data is supplied with each instrument for the frequen cy bands 865 MHz 895 MHz 1750 MHz 1990 MHz Drift influ ences within these bands is minimal ensuring a level accuracy of bet ter than 0 75 dB The frequency response across each of these bands is flat to within 0 1 dB thus minimizing the need for addi tional system calibration
11. n 60 dBc above 2 GHz Isolation Better than 80 dB between individual outputs in use Better than 60 dB from a used individual output and the combiner output Intermodulation lt 80 dBc at an RF output level of 22 dBm on the combiner across the range 800 MHz to 2 0 GHz Intermodulation levels reduce with reducing RF Level Residual FM FM off Less then 4 5 Hz RMS deviation in a 300 Hz to 3 4 kHz un weighted bandwidth at 1 GHz Typically lt 1 Hz at 249 MHz lt 3 Hz at 1001 MHz Radio Connections Refer to Figure 1 SSB phase noise Better than 124 dBc Hz at 20 kHz offset from a carrier frequency of 470 MHz typically 121 dBc Hz at 20 kHz offset from a carrier fre quency of 1 GHz Carrier Leakage Less than 0 5 uV PD at the carrier frequency in a two turn 25 mm diameter loop 25 mm from the surface of the signal generator MODULATION CAPABILITY FM AM or phase modulation can be applied to the carriers generated by each signal source from independent internal or external modulation sources The internal modulation sources are capable of generating two simulta neous signals into any one of the modulation channels Each internal and external modulation source can be simultaneously enabled to pro duce combined amplitude and frequency or phase modulation Pulse modulation can be applied to each of the carriers from external pulse sources The pulse modulation can be used in combination with the other forms of m
12. n 108 over the temperature range O to 50 C Warm up time Within 2 in 10 of final frequency 10 minutes after switch on at a temperature of 20 C External input output Rear panel BNC connector accepts an external input of 1 MHz or 10 MHz at a level of 220 mV RMS to 1 8 V RMS into 1 kQ Rear panel BNC connector provides an output of 10 MHz at a nominal level of 2 V pk pk into 50 Q GENERAL GPIB INTERFACE All signal source parameters except the supply switch are remotely pro grammable Designed in accordance with IEEE 488 2 RS 232 All signal source parameters except the supply switch are remotely pro grammable Connector is 9 way D type baud rate 300 to 9600 bits per second Handshake hardware is DTR RTS CTS and DSR and software is XON and XOFF Electrical interface is to EIA 232 D 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 72 EEC and Standard IEC EN 61010 1 1993 Complies with IEC 1010 1 BS EN61010 1 class 1 portable equip ment and is for use in a pollution degree 2 environment The instru ment is designed to operate from an installation category 1 or 2 sup ply RATED RANGE OF USE Over which full specification is met unless
13. odulation 2 level or 4 level FSK modulation can be applied to each carrier using data from an external source FREQUENCY MODULATION Deviation O to 100 kHz Resolution 3 digits or 1 Hz Accuracy at 1 kHz 5 Bandwidth 1 dB DC to 100 kHz DC coupled 10 Hz to 100 kHz AC coupled 20 Hz to 100 kHz AC coupled with ALC Group delay Less then 5 us to 100 kHz Carrier frequency offset DC coupled Less than 1 of the set frequency deviation Distortion Less than 1 at 1 kHz rate for deviations up to 100 kHz Typically lt 0 3 at 1 kHz rate for deviations up to 10 kHz Less than 3 at 1 kHz rate and deviations upto 100 kHz for carrier frequencies below 50 MHz Modulation source Internal modulation oscillator or external via front panel BNC FSK Modes 2 level or 4 level FSK Data source External data input via a 25 way rear panel D Type connector Frequency shift Variable up to 100 kHz Accuracy As FM deviation accuracy Timing jitter 3 2 us Filter 8th order Bessel 3 dB at 3 9 kHz PHASE MODULATION Deviation O to 10 radians Resolution 3 digits or 0 01 radians Accuracy at 1 kHz 5 of indicated deviation excluding residual phase modulation 3 dB Bandwidth 100 Hz to 10 kHz Distortion Less than 3 at 10 radians at 1 kHz modulation rate Typically lt 0 5 for deviations up to 1 radian at 1 kHz Modulation source Internal LF generator or external via front panel BNC AMPLITUDE MODULATION For carrier frequen
14. t to GPIB commands RS 232 control is particularly suitable for use with simple external controllers or RF modems when the instrument is being used in a remote location Low Cost of Ownership An electronic trip protects the individual source outputs against the accidental application of reverse power Careful attention to the thermal design and the use of well proven signal generator modules gives high reliability and calibration validi ty The use of flash memory and software download via the RS 232 inter face means the 2026Q can be upgraded with its covers fitted Option 116 GSM Modulation Option 116 is avaialble to allow 2026A B to emulate GSM signals using FM techniques which achieves superior noise floor perform ance than solutions using IQ systems The facility is ideal for testing GSM receiver selectivity and for testing the linearity of high perform ance multi carrier power amplifiers SPECIFICATION GENERAL DESCRIPTION The 2026Q CDMA Interferer MultiSource Generator is a purpose built instrument for testing CDMA hand set and base station equipment It features two synthesized RF signal generators with both independent and combined RF outputs The combined RF output provides a path to and from the radio under test and an appropriate CDMA radio test set Each signal source covers the frequency range 10 kHz to 2 4 GHz whilst the combined path covers the range 800 MHz to 2 0 GHz CARRIER FREQUENCY Independent source
15. tput levels not exceeding 10 dBm 22 dBm at combiner output VERSIONS AND ACCESSORIES When ordering please quote the full ordering number information Ordering Numbers Versions 2026Q CDMA Interferer MultiSource Generator Options Option 116 GSM PRBS modulation Supplied with AC power supply lead 46882 361 Operating Manual 46880 087 Service Manual Optional Accessories 46884 293 Rack mounting kit depths from 480 mm to 680 mm 46884 294 Rack mounting kit depths from 680 mm to 840 mm 46884 931 Rack mounting kit containing front panel brackets only 46662 614 Soft carrying case 43129 189 1 5 m GPIB lead 46884 650 RS 232 Cable 9 way female to a 9 way female 1 5 m 46884 649 RS 232 Cable 9 way female to a 25 way female 1 5 m For the very latest specifications visit WW W a e rofl ex e C O m CHINA Beijing Tel 86 10 6467 2761 2716 Fax 86 10 6467 2821 CHINA Shanghai Tel 86 21 6282 8001 Fax 86 21 62828 8002 FINLAND Tel 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 852 2832 7988 Fax 852 2834 5364 INDIA Tel 91 80 5115 4501 Fax 91 80 5115 4502 KOREA Tel 821 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 perform
16. user defined start stop and step values to reduce the amount of operator time or GPIB overhead By enabling the cou pling facility sweeping one source will simultaneously sweep the other internal RF source to allow automated swept measurements on frequency conversion devices to be made High RF Output Each of the RF signal generators is able to deliver up to 24 dBm at their output making them ideal for testing components such as mix ers and amplifiers etc Comprehensive Modulation Each signal source is capable of being independently modulated from its own fully programmable modulation source to ensure maximum flexibility The internal modulation sources are each capable of gen erating sine triangle or square wave signals Amplitude frequency and phase modulated carriers can be generat ed from the internal modulation sources or from the independent external inputs The frequency modulation system provides excellent performance in the DC coupled mode with very low carrier frequency error and sta bility ensuring that the generator can accurately test receivers sensi tive to small frequency errors Programming A GPIB interface is fitted so that all standard signal generator func tions are controllable over the bus The protocol and syntax of GPIB commands has been designed in accordance with IEEE 488 2 stan dard to facilitate the generation of ATE programs A RS 232 interface is fitted as standard with a common command se
Download Pdf Manuals
Related Search