4 - 2
4-2 OSC UNIT ADJUSTMENTS
REFERENCE
OUTPUT
REF IN
OUTPUT
REF OUT
OUTPUT
ADJUSTMENT
ADJUSTMENT
ADJUSTMENT CONDITION
MEASUREMENT
VALUE
POINT
UNIT
LOCATION
UNIT
ADJUST
1
2
3
• Set the OSC unit to the external
reference mode on the set mode.
• MAIN display frequency
: 10.000 MHz
• Connect an SSG to J71 on the
OSC unit and set as;
Frequency
: 10.000 MHz
Level
:
71 mV* (–10 dBm)
Modulation :
OFF
• Terminates J73 with 50
Ω
.
• Receiving
• Receiving
• Terminates J72 with 50
Ω
.
• Receiving
• Set the OSC unit to the internal
reference mode on the set mode.
• Receiving
• Terminates J73 with 50
Ω
.
• Receiving
• Terminates J72 with 50
Ω
.
• Receiving
OSC
OSC
OSC
C o n n e c t a n R F
voltmeter to J72.
C o n n e c t a n R F
voltmeter to J72.
C o n n e c t a n R F
voltmeter to J73.
C o n n e c t a n R F
voltmeter to J71.
C o n n e c t a n R F
voltmeter to J72.
C o n n e c t a n R F
voltmeter to J73.
Maximum voltage
0 dBm ±3.0 dB
0 dBm ±3.0 dB
–10.0 dBm ±3.0 dB
0 dBm ±3.0 dB
0 dBm ±3.0 dB
OSC
Adjust
repeatedly
L61,
L62
Verify
Verify
Verify
Verify
Verify
*This output level of a standard signal generator (SSG) is indicated as SSG’s open circuit.
