Filter
Top Products
ANRITSU Model 68255B/68355B Date: __________________________
Serial Number __________________ Calibrated By: __________________________
682XXB/683XXB MM A-89
4-7 Preliminary Calibration
Procedure Step
Step Completion
1. Internal DVM Calibration (calterm119)
...........................
______________
2. Coarse Loop Pretune DAC Calibration (calterm 137)
...................
______________
3. Fine Loop Pretune DAC Calibration (calterm 136)
.....................
______________
4. Sweep Time DAC Calibration (calterm 132)
........................
______________
5. YIG Frequency Offset DAC Calibration (calterm 134)
...................
______________
6. YIG Frequency Linearizer DACs Calibration (calterm 127) ................ ______________
7. 100 MHz Reference Oscillator Calibration (calterm 130) ................. ______________
8. Ramp Center DAC Calibration (calterm 129) ....................... ______________
9. Sweep Width DAC Calibration (calterm 133) ....................... ______________
10. Center Frequency DAC Calibration (calterm 114) ..................... ______________
11. Store the Calibration Data
.................................
______________
4-8 Switched Filter Shaper Calibration
Log Amplifier Zero Calibration
Step Completion
1. Log Amplifier Zero Calibration (calterm 115)
.......................
______________
Limiter DAC Adjustment (Model 68255B/68355B’s with Option 15B)
2. Limiter DAC Adjustment (calterm 145)
...........................
______________
Shaper DAC Adjustment
2. Shaper DAC Adjustment (calterm 138)
..........................
______________
3. Store the Calibration Data
.................................
______________