Keysight Technologies E8257D User Manual

410 E8257D/67D, E8663D PSG Signal Generators Service Guide
Post–Repair Procedures
Post–Repair Procedures Matrix
Table 4-8 Performance Tests: Assemblies A18—A29 (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.
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
Self Tests
X X X X X X X X X X X X X X X X X
Maximum Leveled Output Power
X X X X X X X X X X X
Power Level Accuracy
X X X X X X X X X X X
Internal FM Frequency Response
X
External Phase Modulation Frequency Response
X
External FM Deviation Accuracy
X
Internal Phase Modulation Deviation Accuracy
X
Harmonic Spurious
X X X X
Sub–Harmonic Spurious
X X X
Non–Harmonic Spurious
X
Single–Sideband Phase Noise
X
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
X X X X
X X X X
X X X X
Maximum Leveled Output Power
X X
X X X X
X X
Power Level Accuracy
X X X
X X X
X X
Internal Pulse Modulation Level Accuracy
X X
X X
Internal Pulse Modulation Rise/Fall Time
X X
X X
External Pulse Modulation ON/OFF Ratio
X X
X X
Harmonic Spurious
X X
X X X X

Keysight Technologies E8257D Specifications

General

Brand	Keysight Technologies
Model	E8257D
Category	Portable Generator
Language	English