Signal Plus Comb Output
To generate signal plus comb, select "sig+comb" from the Standard Waveform screen;
figure 4-93.
STANDARD WAVEFORMS
<>
comb setup
<>
<>
sig+noise setup
<>
• sig+comb setup
<>
Figure 4-93. Standard Waveforms
When the Model 395 builds the signal plus comb waveform, the screen displays a
message, sec figure 4-94.
Function
being built.
-----Please wait ------
...
39%
cancel 0
Figure 4-94. Message
Also, while running signal plus comb,
set
the noise sample
clock
by pressing the
FREQUENCY key and program the sample rate betwecn 100mHz and 100 MHz. The
Frequency screen (figure 4-95) also displays the frequency bandwidth start and stop
frequencies, and the signal frequency. Varying the sample
dock
will change the actual
bandwidth start and stop frequencies.
SAMPLE:
start:
stop:
signal:
100.0
MHz
20.00 Hz
1.000 MHz
10.00
MHz
Figure 4-95. Frequeney - Sig+Comb Sereen
To vary the amplitude, press the AMPLTUDE key and enter the level in units
of
Vp-
porVp.
Signal plus
comb
operates in continuous, triggered,
and
gated
modes,
but
cannot
operate in the sweep mode.
4-62 Front Panel Operation Reference
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