HP 83522A - Page 143

5-27A. MARKER GAIN ADJUSTMENT (Fine Tune) (UPDATES)
REFERENCE:
SERVICE SHEET:
A8.
DESCRIPTION:
Fine tune adjustments of gain peak markers and eliminate unwanted glitches between markers.
EQUIPMENT:
Function Generator ................................................... HP 33 12A
Swept Amplitude Analyzer
............................................. HP 8755C
............................................................ Detector HP11664B
10 dB Attenuator .............................................. HP 8491B Opt. 010
Oscilloscope
......................................................... HP 1740A
FUNCTION GENERATOR
SCALAR NETWORK
ANALYZER
8NC TEE
Figure 5-38a. Marker Gain (Fine Tune) Adjustments Test Setup
PROCEDURE:
1. Connect equipment as shown in Figure 5-38a.
2. Set instrument controls as follows:
8350A/B SWEEP OSCILLATOR
CF ......................................................... 15MHz
CF STEP SIZE ............................................... 10 MHz
AF ......................................................... 10 MHz
[LnMOD] ...................................................... ON
SWEEPTIME ................................................. 17ms
83522A RF PLUG-IN
UPDATES
POWER LEVEL ............................................. .9 dBm
MARKERS .......................................... AMPTD 1 MHz
UPDATES APPLY TO ALL SERIALS