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CAUTION
Turn off the ac power on the 8349B prior to connecting or disconnecting the
source module interface cable.
Turn off the ac power on the 11974-60028 Preselector Power Supply prior to
connecting or disconnecting the 11974.
On the 11974 rear panel, set the instrument select switches to the
appropriate settings before applying power to it.
7. Enter the appropriate millimeter-wave source module frequency multiplication factor
into the synthesized sweeper by pressing
corresponding value for the band listed below:
for an 11974A:
2 Hz
for an 11974Q:
3 Hz
for an 11974U:
3 Hz
for an 11974V:
4 Hz
8. Set the synthesized sweeper for a CW signal at the frequency listed below:
for an 11974A: 26.5 GHz
for an 11974Q: 33.0 GHz
for an 11974U: 40.0 GHz
for an 11974V: 50.0 GHz
9. Set the synthesized sweeper frequency step to 500 MHz by pressing
.
MHz
10.Activate external leveling on the synthesized sweeper by pressing
11.Adjust the output power of the synthesized sweeper for a reading of approximately
0 dBm on the 8349B display.
12.Set the spectrum analyzer to the appropriate millimeter band using the following keys:
SHIFT ⇑ ⇑
for an 11974A:
SHIFT ⇑ ⇑ ⇑
for an 11974Q:
SHIFT ⇑ ⇑ ⇑ ⇑
for an 11974U:
SHIFT ⇑ ⇑ ⇑ ⇑ ⇑
for an 11974V:
13.Set the spectrum analyzer controls as follows:
,
,
,
, and
SHIFT
5
MHz
0
FREQUENCY SPAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50 kHz
ENTER dB/DIV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 dB
CF STEP SIZE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 642.8 MHz
Chapter 4
SHIFT
(sets external mixer conversion loss to 0 dB)
dB
2. Image Rejection Test
and
and entering the
START FREQ
SHIFT
XTAL
Performance Tests
,
, 500, and
CF
.
115
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