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21. Slope
Compensation
Adjustments
Reference
Related Performance
Test
Description
Equipment
RF Section:
Frequency Response Test
The HP 8568B Spectrum Analyzer is swept between 10 MHz and
1500 MHz, using a synthesized sweeper which has been power-meter
leveled. The resulting response curve is displayed on the HP 8568B
Spectrum Analyzer CRT and the slope compensation (TILT) adjustment
is performed to compensate for the frequency response roll-off of the
first mixer.
SYNTHESIZED WEEPER
Figure 3-80. Slope Compensation Adjustment Setup
Synthesized Sweeper . . . . . . . . . . . . . . . . . . . . . . . .
Power Meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..HP436 A
Power Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..HP8482 A
Power Splitter . . . . . . . . . . . . . . . . . . . . . . HP 11667A Opt. 001
Adapters:
Type N (m) to N (m) . . . . . . . . . . . . . . . . . . . . . . . . . .
Type N (m) to APC 3.5 (f) . . . . . . . . . . . . . . . . . . . . . 1250-1744
APC 3.5 (f) to APC 3.5 (f) . . . . . . . . . . . . . . . . . . . . . 1250-1749
Cables:
SMA (m) (m) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5061-5458
2 1. Slope Compensation Adjustments
PDWER METER
SENSOR
PMR SPLITTER
ADAPTER
HP 8340A/B
1250-0778
Adjustments 3-133
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