Typical Frequency Offset Change, 0X10-10 Offset To -300X10-10 - HP 5065A Operating And Service Manual

Model 5065A
Circuit Diagrams, Theory, and Maintenance
Table 3-5. Typical Frequency Offset Change, 0X10-10 Offset to -300X10-10
1.
2.
3.
4.
5.
6.
7.
8.
9.
ITEM
Present synthesizer Assy TIME
SCALE settings (see Table 3-9 for
corresponding frequency offset)
Desired change in offset
Sum (Item 1) +(Item 2)
Nearest synthesizer setting
(Table 3-8)
Remaining offset to be adjusted by
MAGNETIC FIELD control
Change required in MAGNETIC
FIELD control setting
Present MAGNETIC FIELD control
setting
New MAGNETIC FIELD control
setting
New offset settings are:
a. Synthesizer TW switch
b. Synthesizer HI-LO switch
c. MAG FIELD control
OFFSET (x10~
10
) TW SWITCH SETTING HI-LO SWITCH
•
(Item 3) - (Item 4)
Item 5
2
Item 6) + (Item 7)
Item 4.
Item 4.
Item 8.
Figure 3-6. Equipment Setup for Frequency Difference Measurement
CESIUM BEAM
FREQUENCY
STANDARD
HP506IA
BNC TEE
I02I8A ADAPTOR
I02I6A ISOLATOR
50nLOAD
— w v
1
VECTOR
VOLTMETER
HP8405A
CHANNEL A
RUBIDIUM VAPOR
FREQUENCY
STANDARD
HP5065A
5MHz
lOKn
STRIP CHART
RECORDER
HP 680
CHANNEL B
I02I6A ISOLATOR
I02I8A ADAPTOR
BNC TEE
— V S A ,
50 n LOAD
1
3-8