E8257D/67D, E8663D PSG Signal Generators Service Guide
Post–Repair Procedures
Post–Repair Procedures Matrix
4-10
Internal Phase Modulation Deviation Accuracy
✓
Harmonic Spurious
✓ ✓ ✓ ✓
Sub–Harmonic Spurious
✓ ✓ ✓
Non–Harmonic Spurious
✓
Single–Sideband Phase Noise
✓
Table 4-9 Performance Tests: Assemblies A30—A40, AT1, B1, and RF Output Connector (For Prefixes < xx4928)
Performance Tests Replaced Assembly
The following performance tests are listed in the order that
they should be performed to minimize changes in test
equipment configurations.
A30 Mod Filter with High Power
A30 Mod Filter with Standard Power
A31 Motherboard
A32 10 MHz Crystal Oscillator
A34 Internal Hard Drive
A35 3 − 20 IQ Modulator
A36 Quadraplier
A37 Up Converter
A38 Lowband Switch Filter
A39 Directional Coupler
A40 Compact Flash Drive
AT1 115 dB Attenuator
B1 Fan
RF Output Connector
Self Tests
✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
Maximum Leveled Output Power
✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
Power Level Accuracy
✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓
Internal Pulse Modulation Level Accuracy
✓ ✓ ✓ ✓
Internal Pulse Modulation Rise/Fall Time
✓ ✓ ✓ ✓
External Pulse Modulation ON/OFF Ratio
✓ ✓ ✓ ✓
Harmonic Spurious
✓ ✓ ✓ ✓ ✓ ✓
Sub–Harmonic Spurious
✓ ✓ ✓
Non–Harmonic Spurious
✓ ✓ ✓ ✓ ✓ ✓
Single–Sideband Phase Noise
✓ ✓ ✓
Table 4-8 Performance Tests: Assemblies A18—A29 (For Prefixes < xx4928) (Continued)
Performance Tests Replaced Assembly
The following performance tests are listed in the order
that they should be performed to minimize changes in
test equipment configurations.
A18 CPU or BT1
A19 Power Supply
A20 SMI [Source Module Interface]
A21 Rear Panel Interface
A22 Line Module
A23 Lowband Coupler/Detector
A24 20 GHz Coupler
A24 40 GHz Coupler
A24 67 GHz Coupler
A25 20 GHz Detector
A25 40 GHz Detector
A25 67 GHz Detector
A25B Detector Bias Board
A26 MID [Microcircuit Interface Deck]
A27 40 GHz Doubler
A28 YIG Oscillator
A29 20 GHz Doubler
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