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Only for training and service purposes
4. Trouble Shooting
About 130mVp-p?
Change RF3100 (U106)
Check the pk-pk level at
PIN 1, PIN 2, PIN 3, PIN 4
With Oscilloscope.
Refer to Figure 4-18-14
Yes
No
Set the CW Mode of the Agillent 8960
Feed a CW signal at 1950MHz
Set the RX Continuous mode
Check the Mean level at
PIN 1, PIN 2, PIN 3, PIN 4
With Oscilloscope.
Refer to Figure 4-18-14
Yes
No
Check the frequency at
PIN 1, PIN 2, PIN 3, PIN 4
With Oscilloscope.
Refer to Figure 4-18-15
Yes
No
Verify whether the signal
was similar as Figure
4-18-15 with Oscilloscope.
Yes
No
About 160mV?
About 2MHz?
Similar?
Check Next Stage
Change RF3100 (U106)
Change RF3100 (U106)
Change RF3100 (U106)
TP Command
MODE=4
WRXC=9750
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