TB 9-6625-1914-24
(c) SCAN WIDTH (red) switch to PER DIVISION.
(d) SCAN WIDTH PER DIVISION switch to 0.5 MHz.
(2) Position IF plug-in controls as listed in (a) through (c) below:
(a) SCAN TIME PER DIVISION switch to 0.1 SEC.
(b) LOG REF LEVEL switch to -40 dBm.
(c) VIDEO FILTER switch to OFF.
(3) Connect equipment as shown in figure 13.
Figure 13. Spurious response - equipment setup.
(4) Adjust signal generator for an output 10 MHz at -40 dBm.
(6) Reduce SCAN WIDTH PER DIVISION switch setting to 50 kHz while keeping
two signal pips centered with FREQUENCY FINE TUNE control.
(7) Adjust FREQUENCY control to 19.95 MHz and observe signal display for
second-order intermodulation products (between signal generator second harmonics).
Displayed signal pips amplitude will be below -60 dB graticule line (-65 dB graticule line for
model 8554B).
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