Anritsu 683XXB User Manual
ANRITSU Model 68259B/68359B
Date: __________________________
Serial Number __________________
Calibrated By: __________________________
682XXB/683XXB MM
A-109
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) . . . . . . . . . . . . . . . . . . .
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6. YIG Frequency Linearizer DACs Calibration (calterm 127) . . . . . . . . . . . . . . . .
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7. 100 MHz Reference Oscillator Calibration (calterm 130) . . . . . . . . . . . . . . . . .
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8. Ramp Center DAC Calibration (calterm 129) . . . . . . . . . . . . . . . . . . . . . . .
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9. Sweep Width DAC Calibration (calterm 133) . . . . . . . . . . . . . . . . . . . . . . .
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10. Center Frequency DAC Calibration (calterm 114) . . . . . . . . . . . . . . . . . . . . .
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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 (Model 68259B/68359B’s with Option 15B)
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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