Chapter 3 123
Manual Adjustment Procedures
3. DC Log Amplifier Adjustments
Figure 3-10 DC Log Adjustment Locations
NOTE Adjustments should be made with all of the shields on and only after
allowing at least a 20 minute warmup.
A4 Limiter Phase Adjustment
1. Press LINE to turn the spectrum analyzer off. Remove the spectrum
analyzer cover and place the spectrum analyzer in the service
position as illustrated in Figure 3-9 on page 122. See Figure 3-10 on
page 123 for adjustment location.
2. Connect the 3335A 50Ω output to the spectrum analyzer 50Ω input.
Press
LINE to turn the spectrum analyzer on.
3. Set the spectrum analyzer controls as follows:
Center frequency ................................................... 15MHz
Span ................................................................................... 0
Reference level ...................................................... −10dBm
dB/division ............................................................ 1dB/DIV
Resolution bandwidth ........................................... 300kHz
IF ADJ ...........................................................................OFF
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