Leveled Rf Output Adjustments - HP 8340B Manual

5-16. LEVELED RF OUTPUT ADJUSTMENTS (Cont'd)
44. On the OUT, press [STARTFREQI and enter [1] [3]
[2] [0] [GHz]. Press [POWERLEVEL] and using the front panel rotary knob, adjust for maximum
leveled power. Press [MANUAL]and enter [1] [3]
45. Using the step keys as described in step 41, step through Band 3.
A24R8 (X3C) slightly CCW to eliminate the squegging.
Test for squegging at power levels from maximum leveled power to —20
dBm in 5 dB increments.
46. On the OUT, press [SHIFT][PWRSWP] and enter the maximum ALC power level that will be a
dB increment below max leveled power (i.e., 10,5). Repeat step 45 at this power level. Enter the
next 5 dB increment and repeat step 45 until the test for squegging has been performed from
maximum leveled power to —20 dBin. This completes Leveled RF Output Adjustments for an HP
8341B. If testing an HP 8340B, continue with step 47.
47. For Band 4, press the LO [STARTFREQI and enter [1] [9]
[1
enter [2] [5]
48. Press the OUT's [STARTFREQ] and enter [2] [0] [GHz].Press [STOPFREQI and enter [2] [6]
[5] [GHz]. Press [CONT] and [POWERLEVEL]. Adjust the OUT front panel rotary knob for
maximum leveled power. Press [MANUAL]and enter [2] [0] [GHz].
HP 8340B/41B
Figure 5-60. Squegging Displayed on Spectrum Analyzer
[9] [GHz]. Press [MANUAL]and enter [1] [9]
[.1
[5] [GHz]. Press [STOPFREQ] and enter
[.1
[5] [GHz].
NOTE
[4] [GHz].Press [STOPFREG] and
[.]
[.1[41
squegging occurs, adjust
If
[GHzJ.
Adjustments
5
[.]
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