Equipment; Procedure - HP 8560E Service Manual

Adjustment Procedures
12. 10 MHz Reference Adjustment-TCXO (Option 103)

Equipment

Procedure

Allow the HP 8560E/EC spectrum analyzer to warm up for at least 30
NOTE
minutes before performing this adjustment.
1. Connect the equipment as shown in
2. Set the HP 5343A controls as follows:
3. Press
When the 10 MHz reference is set to
NOTE
operating and warmed up. If the reference is set to
EXT
to warm up.
4. Remove dust cap from A15U302, TCXO. The dust cap is toward the
5. Adjust 10 MHz ADJ on A15U302 for a frequency counter reading of
6. Replace the dustcap on A15U302.
104
Microwave frequency counter ....................... HP 5343A Option 001
Frequency standard ................. HP 5061B Cesium Beam Standard
(or any 10 MHz frequency standard with accuracy <±1 X 10
Cables
BNC, 122 cm (2 required) ............ ................................ HP 10503A
up the A14 Frequency Control Assembly.
SAMPLE RATE ..................................................................... Midrange
50 Ω — 1 MΩ SWITCH ......................................................... 50 Ω
10 Hz — 500 MHz/500 MHz — 26.5 GHz SWITCH ............
,
AUX CTRL REAR PANEL
is set to .
10 MHz INT
, set the reference to
rear of the spectrum analyzer.
300.000000 MHz ±30 Hz.
Figure 2-17 on page
, and ensure that the 10 MHz reference
10 MHz EXT
and allow 30 minutes for the TCXO
10 MHz INT
−10
)
103. Prop
10 Hz — 500 MHz
, the TCXO is not
10 MHz
Chapter 2