Typical Frequency Offset Change, Sample (Insufficient Magnetic Field Control) - HP 5065A Operating And Service Manual

Model 5065A
Circuit Diagrams, Theory, and Maintenance
Table 3-4. Typical Frequency Offset Change, Sample (Insufficient MAGNETIC FIELD Control)
ITEM OFFSET (x10-
10
) TW SWITCH SETTING HI-LO SWITCH
1. Present synthesizer Assy TIME SCALE -163.770
settings (see Table 3-7 for corre-
sponding frequency offset)
2. Desired change in Offset -1 x 10~
9
3. Sum (Item 1) +(Item 2) -173.770
4. Nearest synthesizer setting -172.789
(Table 3-8)
5. Remaining offset to be adjusted by -.98
MAGNETIC FIELD control
6. Change required in MAGNETIC -.49
FIELD control setting
7. Present MAGNETIC FIELD control 5.00
setting
8. New MAGNETIC FIELD control 4.51
setting
9. New offset settings are:
a. Synthesizer TW switch
b. Synthesizer HI-LO switch
c. MAG FIELD control
8619
8238
HI
(-173.770) - (-172.789)
(Item 3) - (Item 4)
Item 5 .98
2
(-.49) + (5.00)
Item 4_
Item 4
Item 8
8238
HI
4.51
Figure 3-5.
CESIUM BEAM
FREQUENCY
STANDARD
HP506IA
5MHz
Equipment Setup for Calibrating
VECTOR
VOLTMETER
HP 8405A
y
Phase Measurement System
\ IOKH
2I6A ISOLATOR
2I8A ADAPTOR
5 0 f t LOAD
. . .
+
BNC TEE
STRIP CHART
RECORDER
HP 680
3-7