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Manual Adjustment Procedures: 3335A Source not Available
2a. IF Amplitude Adjustments
3. Set the spectrum analyzer controls as follows:
4. On the spectrum analyzer, press
5. Set the E4421B controls as follows:
6. Note the marker value. Ideally it should read −60 dBm ±0.1 dB.
7. If the marker reads less than −60.1 dBm, rotate A4R826 CAL OSC
8. If the marker reads greater than −59.9 dBm, rotate A4R826 CAL
If A4R826 has inadequate range, refer to
NOTE
AMPTD Range"
9. On the spectrum analyzer, press
10.Repeat
11.Disconnect the test cable from A5J3 and reconnect W29 to A5J3.
166
Center Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.7 MHz
Span . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .200 kHz
Reference Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .−60 dBm
Attenuator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 dB
dB/division . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 dB/DIV
Resolution bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . . .300 kHz
Video bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 Hz
OFF is underlined.
Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.7 MHz
Amplitude . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .−55 dBm
Mod On/Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Off
AMPTD one-third turn clockwise for every 0.1 dB less than
−60 dBm. See
Figure 3a-2
the displayed amplitude will not be seen until
pressed.
OSC AMPTD one-third turn counter clockwise for every 0.1 dB
greater than −60 dBm. See
change in the displayed amplitude will not be seen until
is pressed.
STATE
in
Chapter 9 .
the analyzer time to complete the adjustments, the displayed
amplitude and marker reading should change.
step 7
and
step 9
,
, and
MKR
CAL
for the location of A4R826. A change in
Figure 3a-2
for the location of A4R826. A
"Inadequate CAL OSC
ADJ CURR IF STATE
until the marker reads −60 dBm ±0.1 dB.
so
IF ADJ ON OFF
is
ADJ CURR IF STATE
ADJ CURR IF
. After allowing
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