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ANRITSU Model 68277B/68377B Date: __________________________
Serial Number __________________ Calibrated By: __________________________
682XXB/683XXB MM A-203
4-7 Preliminary Calibration
Procedure Step
Step Completion
1. Internal DVM Calibration (calterm119)
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2. Coarse Loop Pretune DAC Calibration (calterm 137)
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3. Fine Loop Pretune DAC Calibration (calterm 136)
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4. Sweep Time DAC Calibration (calterm 132)
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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
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4-8 Switched Filter Shaper Calibration
Log Amplifier Zero Calibration
Step Completion
1. Log Amplifier Zero Calibration (calterm 115)
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Limiter DAC Adjustment
2. Limiter DAC Adjustment (calterm 145)
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Shaper DAC Adjustment
2. Shaper DAC Adjustment (calterm 138)
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3. Store the Calibration Data
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