HP 8340B Manual page 189

5-14. UNLEVELED RF OUTPUT ADJUSTMENTS (Cont'd)
48. Access Cal Constant 8
Using the OUT's rotary knob, adjust Cal
Band 4.
49. Press [RECALL]on the OUT and iterate between registers 1
Verify that the fast sweep speed
speed trace (register
be> 1 dB above
should
above conditions are not met, repeat steps 46 through 49.
Proceed with step 51.
steps
50.
Perform 45
Band 2 Delay Compensation, HP 8340B and 8341B
51. Press the following key sequence on the OUT:
[CONT](If not already in continuous sweep mode)
[STARTFREQ] [6]
[STOPFREQ] [1] [3]
[SWEEPTIME] [ 2] [0] [0] [msec]
[SAVE][1]
[SWEEPTIME] [ AUTO]
[SAVE][2]
[SINGLE]
[SAVE][3]
[RECALL][2]
Adjust the scope's vertical position and/or sensitivity to view the
52. Access Cal Constant
Using the OUT's rotary knob, adjust Cal Constant 6 (range is 0 to 131) to optimize the power
across
the entire Band.
Press [RECALL]on the
53.
Verify that the fast sweep speed trace (register 2) is no more than
speed trace (register 1) at any point. Also, the minimum power point on the fast sweep speed trace
should be 1 dB above the maximum leveled power specifications for Band 2. If either of the
>
above conditions are not met, repeat steps 52 and 54.
54. Iterate between registers 1 and 3 and verify that the single sweep trace (register 3) is no more than
1 db below the slow sweep trace at any point. After pressing [3] on the OUT you need to press
to initiate
[SINGLE]
1 dB above the maximum leveled power specifications for Band 2.
should be >
above conditions are not met, repeat steps 52 through 54.
HP 8340B/41B
pressing
[SHIFT][GHz][8] [Hz] [SHIFT][ENTRYOFF] on the OUT.
by
Constant
trace (register
at any point.
Also, the minimum power point on the fast sweep speed trace
1)
leveled power specifications for the Band. If either of the
the maximum
and
46.
[9] [GHz]
[.]
[5] [GHz]
[.]
mS if the OUT is an HP 8341B Option 003)
(500
pressing
[SHIFT][GHz][6] [Hz] [SHIFT][ENTRYOFF]
6 by
and iterate between registers 1 and 2 by pressing [1] and then [2].
OUT
the single sweep. Also, the minimum power point on the single sweep trace
(range is to
131) for optimum power across
8 0
pressing
and
2 by
is no more
2) than
1 dB
swept
display.
1 dB
[1] and then [2].
below the slow sweep
on
the
OUT.
below the slow sweep
either of the
If
Adjustments 5-83