Procedure - HP 8560E Service Manual

Procedure

1. Press
2. Disconnect W29, violet coax cable, from A5J3. Connect the test cable
3. Set the HP 8560E/EC controls as follows:
4. On the HP 8560E/EC, press
5. Set the HP 3335A controls as follows:
6. Note the marker value. Ideally it should read −60 dBm ±0.1 dB.
7. If the marker reads less than −60.1 dBm, rotate A4R826 CAL OSC
8. If the marker reads greater than −59.9 dBm, rotate A4R826 CAL
If A4R826 has inadequate range, refer to "Inadequate CAL OSC
NOTE
AMPTD Range" in Chapter 9.
9. Press
10.Repeat steps 7 and 8 until the marker reads −60 dBm ±0.1 dB.
11.Disconnect the test cable from A5J3 and reconnect W29 to A5J3.
Chapter 2
to turn the spectrum analyzer off. Remove the spectrum
LINE
analyzer cover and place the spectrum analyzer in the service
position as illustrated in
page 76 for adjustment location.
between A5J3 and the 50 Ω output of the HP 3335A. Press
turn the spectrum analyzer on.
Center frequency ....... ................................................ 10.7 MHz
Span ....... ...................................................................... 200 kHz
Reference level ........ .................................................... −60 dBm
Attenuator .......................................................................... 0 dB
Log/division ......................................................... 1 Log/division
Resolution BW . ......... ................................................... 300 kHz
Video BW ........... ............................................................ 100 Hz
Frequency ........ .......................................................... 10.7 MHz
Amplitude ......... .......................................................... −55 dBm
AMPTD one-third turn counter-clockwise for every 0.1 dB less than
−60 dBm. See
Figure 2-7 on page 76
OSC AMPTD one-third turn clockwise for every 0.1 dB greater than
−60 dBm. A change in the displayed amplitude will not be seen at
this point.
ADJ CURR IF STATE
to complete the adjustments, the displayed amplitude and marker
reading should change.
Figure 2-6 on page 75. See
, , and
MKR CAL IF ADJ OFF
for the location of A4R826.
. After allowing the spectrum analyzer time
Adjustment Procedures
4. IF Amplitude Adjustments
Figure 2-7 on
to
LINE
.
77