Post Repair Procedures - Agilent Technologies 8711C Service Manual

Post Repair Procedures

able 3-1 describes the adjustments and performance tests that are required after replacing one
or more of the analyzer's assemblies.
eplaced Assembly
1 Front Panel
2 CPU
3 Fractional-N/Reference
4 Source
5 Receiver
6 Power Supply
7 Display
8 3.5" Internal Disk Drive
ttenuator
M Delay ssembly
Not required for HP 8713C and HP 8714C analyzers.
1
Only required for analyzers with Option 1D or 1DB.
2
Table 3-1. Post Repair Procedures
equired Adjustments
None
Re-load correction constant le from disk
O (if CCs are not available):
1
LO Power Correction
ux Input Correction
Switched Gain Correction
External Detector Correction
Source Power Correction
B mplitude Correction
Re ection Correction
R* mplitude Correction
R* Frequency Response Correction
B* mplitude Correction
2
M Delay
UX Input
Frequency ccuracy djustment
Fractional-N VCO djustment
Fractional-N Spur djustment
1
LO Power Correction
Source Power Correction
B mplitude Correction
Re ection Correction
2
M Delay
1
LO Power Correction
Switched Gain Correction
ux Input Correction
External Detector Correction
Source Power Correction
B mplitude Correction
Re ection Correction
R* mplitude Correction
R* Frequency Response Correction
B* mplitude Correction
2
M Delay
None
Check display intensity
None
Source Power Correction
Re ection Correction
Source Power Correction
Re ection Correction
2
M Delay
Suggested Veri cation Tests
Functional Test Only
Functional tests only
O :
Broadband Frequency Response
Dynamic ccuracy
bsolute Power ccuracy
Directivity
Power Flatness
Frequency ccuracy
Spurious Signals
Power Range and Flatness
Spurious Signals
Power Flatness
Broadband Frequency Response
Dynamic ccuracy
Spurious Signals
bsolute Power ccuracy
Directivity
Gain Compression
Noise Floor
Power-on self tests
Functional tests only
Functional test only
Power Flatness
Directivity
Power Flatness
M Delay Modulator
Assembly Replacement 3-15