Troubleshooting
Troubleshooting Adjustment Problems
Table 1-20
Troubleshooting Help for Failed Adjustments (Continued)
Ad justment that is failing...
Upconverter Gain Adjust Calibration
Modulator Bias DAC Sensitivity
118
Assemblies most likely causing failure...
A37 Upconverter
A35 3–20 GHz IQ Modulator
A10 ALC
A8 Output
A30 Modulation Filter
A36 Quadraplier
A37 Upconverter
E8257D/67D, E8663D PSG Signal Generators Service Guide