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2 1. Slope Compensation Adjustments
21. Slope
Compensation
Adjustments
Reference
RF Section:
A22
Frequency Control
Related Performance
Test
Frequency Response Test
Description
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
PDWER METER
PCMR
SENSOR
ADAPTER
-kd-
w
PMR SPLITTER
Figure
3-80.
Slope Compensation Adjustment Setup
Equipment
Synthesized Sweeper ........................
HP
8340A/B
Power Meter
.................................
..HP436
A
Power Sensor
................................
..HP8482
A
Power Splitter
......................
HP
11667A
Opt. 001
Adapters:
Type N (m) to N (m)
..........................
1250-0778
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
Adjustments
3-133