T100 User Manual V1-1
Contents
1. frmware ENC COMx 38400 From The N3U CQM Document Library T100 SPECIFICATIONS Frequency Range 1LOOMHz 170MHz VHF 400MHz 470MHz UHF PLL Synthesized Frequency Resolution 25KHz Test Port Connector SMA Output Power gt OdBm typical Harmonics lt 30dB minimum Display 128 x 64 dots graphical LCD with backlight Physical Dimensions 140mm length x 68mm width x 25mm thick Net Weight 130 gram without batteries Power AA Size Battery x 2 ACCESSORIES SMA connector for OPEN Calibration P N 202112 SMA connector for SHORT Calibration P N 132331 SMA connector for LOAD Calibration P N 132360 SMA male to BNC female adaptor SMA male to SO 239 adaptor USB A to mini B cable CD ROM From The N3U CQM Document Library2. CALIBRATION can be performed DATA LOCKED GOTO SETTINGS MENU TO UNLOCK DATA FIRST Connect securely the OPEN ctandard ana then press the OK key CO start Calibration Likewise for the SHORT and LOAD standards in sequence to complete the calibration CONNECT OPEN Calibration data will be deed ase a matically after cali bration The instru ment iS now ready to use If desired T100 can be re calibrated at any time CALIBRATION DONE From The N3U CQM Document Library SETTINGS SETTING MENU A number of general BACKLIGHT options and informa AUTO POWER OFF tion are available in BATTERY this menu CAL DATA PROTECT INFO BACKLIGHT AUTO Turn off BACKLIGHT MENU backlight automat ically if no key is pressed for 30 seconds ON Leave backlight always on OFF Leave back light always off AUTO POWER OFF AUTO POWER OFF MEN ENABLE Automatic 3 ENABLE power off if no DISABLE key is pressed for 5 minutes DISABLE No auto matic power off From The N3U CQM Document Library BATTERY Choose between BATTERY MENU ALKALINE and NIMH to ALKALINE DISABLE reflect the type of batteries being used It only affects the threshold voltage dictating when a low battery sign on the upper right hand corner of the display will appear CAL DATA PROTECT Select UNLOCK CAL DATA RRC before calibration LOCK CAL DATA Calibration data will UNLOCK CAL DATA be locked aut
3. key to switch cyclically between any of the following parameters to change their value e FREQUENCY use the ARROW keys to increment or decrement the frequency by the value of STEP SIZE The cursor on the plot will move accordingly The frequency can also be en tered directly using the numeric keys eY SCALE use the ARROW keys to select the maximum value on the Y axis Possible values are 3 10 30 100 300 and 1000 e ALIGNMENT use the ARROW keys to select if the directly entered frequency should be aligned to the CURRENT position of the cursor BEGIN leftmost on the plot CENTER of the plot or END rightmost of the plot Ranges outside the valid frequencies will be shaded e STEP SIZE use the ARROW keys to select the desired frequency step size Possible values are 25KHz 100KHz 500KHz and 1MHz From The N3U CQM Document Library CALIBRATION T100 Vector Impedance Analyzer employs indus trial standard Open Short Load OSL cali bration method to eliminate various system errors To perform accurate measurements T100 needs to be calibrated against the OPEN SHORT and LOAD standards Three high qual ity OPEN SHORT and LOAD SMA terminators are included for this purpose Resulting calibra tion data to be used in computations will be stored in non volatile memory in T100 Calibration data is lecked upon poner us of T100 to avoid ac cidental erasure It has to be unlocked in the SETTINGS menu before
4. K CAL DATA UNLOCK CAL DATA INFO PC MODE From The N3U CQM Document Library KEY DEFINITIONS POWER Press and hold this key for two seconds to turn on or off T100 Vector Impedance Analyzer CONFIRM Use this key to confirm the desired selections and fre quencies entered MODE In SINGLE FREQ this key is used to switch between the following modes cyclically e SWR e IMPEDANCE SERIAL e IMPEDANCE PARALLEL Sll In SWEEP FREQ PLOTS this key is used to switch between the following func tions cyclically e FREQUENCY e Y SCALE e ALIGNMENT e STEP SIZE From The N3U CQM Document Library K I ol ARROWS These keys are used to se lect the desired menu items or op tions They are also used to in crease decrease the frequency Hold to increase decrease frequency auto matically In SINGLE FREQ the step Size is fixed at 25KHz In SWEEP FREQ PLOT the current step size can be selected with the MODE key 9 NUMERIC Use these keys to enter the desired frequency directly Frequencies within the valid oper ating range will automatically be aligned to the 25KHz steps Fre quencies outside the valid operat ing range will be ignored BACK Cancel the current opera tion and or go back to the previ ous menu From The N3U CQM Document Library SINGLE FREQ In this mode T100 can display the measured data in any of the following four represen tations You may switch cyclically throu
5. gh these representations with the MODE key e SWR e IMPEDANCE SERIAL e IMPEDANCE PARALLEL eS11 RECTANGULAR amp POLAR SWR displays the Standing Wave Ratio FREQ 435025 in Laroo Lent Lor i A 1 38 08 casy reading It also displays the impedance Z for reference IMPEDANCE SERIAL displays the imped ance seen from the FREQ 435025 test port The im pedance is resolved CdD Giz 59 into the real re Ka sistive part and 3 25pF imaginary reactive part connected in series The corre 4 sponding inductance te or capacitance is also displayed ac Ls cording to the sign of the reactance SERIAL From The N3U CQM Document Library IMPEDANCE PARALLEL displays the impedance seen from the test PREQ 435025 port The impedance is resolved into the Qao p real resistive part d and imaginary reac 1 88pF tive part connected in parallel The cor responding inductance or capacitance is also displayed according to the sign of the reac tance PARALLEL S11 displays the rectangular and FREQ 435025 RECTANGULAR 0 58 j0 34 polar representa tions of the S11 measured POLAR 10 67 lt 30 10 From The N3U CQM Document Library SWEEP FREQ PLOT Under this menu T100 can plot any of the fol lowing measured data over the desired frequen cy range e SWR e IMPEDANCE Z e RESISTANCE R e REACTANCE X RETURN LOSS 51 e PHASE ANGLE Use the MODE
6. gument in degrees sepa rated by a comma The same result will be displayed on T100 at the same time Send another S to repeat measurement at the same frequency or issue another six digit frequency to tune to a new frequen CY Sending an ASCII character D will bring T100 back to the initial state display ing the WAITING FOR HOST CMD message and listen to the serial port EAC MCD eh FREQ 144000 esa Ad 1 U23371 14 72 From The N3U CQM Document Library FIRMWARE UPDATE T100 firmware can be updated as new releases are available Updated firmware file can be downloaded from the Internet to a PC and programmed to the T100 via the USB interface Caution 1 Please use fresh batteries when updating firmware 2 Do not turn power off or re move batteries during firmware updating Hold down the Mode key while switching on T100 to enter the Firmware Update Mode T100 will show the screen on the left Firmware Update On a PC running Windows XP operating system open a DOS console in a directory with the two files update exe and firmware ENC Plug in the USB cable to connect the PC and T100 Find out which USB emulated COM port T100 is connected to from the Control Panel System Hardware Device Manager on the PC With T100 at Firmware Update mode issue the following command in the DOS console to update the firmware with the file rmware ENC update
7. i _ ee eee i Times Technology T100 Vector Impedance Analyzer timestechnology com hk User Manual Ver 1 1 From The N3UJJ COM Document Library T100 is a state of the art portable Vector Impedance Analyzer This powerful yet handy instrument is specifically designed for the advanced amateur radio experimenters working at the VHF UHF band TABLE OF CONTENTS General Description T100 Menu Structure Key Definitions Single Frequency Sweep Frequency Plot Calibration Settings PC Mode Firmware Update Specifications Accessories GENERAL DESCRIPTION The T100 Vector Impedance Analyzer is essentially a device to inject an RF signal into whatever is connected to its test port and measures the amplitude and phase of the reflected RF signal The reflected amplitude and phase are calibrated with industrial standard 3 term Open Short Load OSL calibration method T100 Vector Impedance Analyzer can operate from 100MHz to 170MHz VHF and from 400MHz to 470MHz UHF with a 25KHz minimum step Size From The N3U CQM Document Library T100 MENU STRUCTURE MAIN MENU SINGLE FREQ e SWR e IMPEDANCE SERIAL e IMPEDANCE PARALLEL eS11 RECTANGULAR amp POLAR SWEEP FREQ PLOT SWR IMPEDANCE Z RESISTANCE R REACTANCE X RETURN LOSS 51 PHASE ANGLE CALIBRATE CONNECT OPEN CONNECT SHORT CONNECT LOAD SETTINGS BACKLIGHT AUTO ON OPE AUTO POWER OFF ENABLE DISABLE BATTERY ALKALINE NIMH CAL DATA PROTECT LOC
8. omatical ly after calibration Alternatively choose LOCK CAL DATA to lock calibration data manu ally if necessary INFO Display general infor mation of the device MODEL TLUQ as well as the bat H W VER 1 00 tery voltage 5 F W VER 1 00 blocks on the battery BATTERY bar as D Dattery Tull and 1 block as battery empty From The N3U CQM Document Library PC MODE T100 is capable of communicating with a PC via an emulated serial link over the USB connection Virtual serial port driver for Windows XP is included in the T100 CD ROM and should be installed be fore connecting your T100 to a PC A sample host program for Windows XP is also included to demonstrate controlling T100 from a PC and displaying T100 mea sured data The virtual serial communication be tween T100 and the PC should be configured as follows Baud Rate 38400 baud Parity Bit None Data Bits 8 Stop Bit 1 On entering the PC MODE T100 will dis play the WAITING FOR HOST CMD message and listen to the serial port OS LOD ch WAITING FOR HOST CMD From The N3U CQM Document Library To command T100 to tune to a specific fre quency the host program shall transmit a Six digit frequency in ASCII characters via the serial port To command T100 to take a measurement send an ASCII character S Then re ceive from the serial port a null termi nated ASCII string This is the measured magnitude and ar
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