11
Alignment
TX Deviation Adjustment
Setup the test equipment as shown below.
Receiver Front-end Adjustment
Setup the test equipment as shown below.
Set the AF Signal Generator output to 200 mVrms at 1
kHz.
Set the channel to CH16.
With the
PTT
switch pressed, adjust
VR1003
so that
the maximum deviation is 4.2 kHz ±0.1 kHz.
Release the
PTT
switch.
CNTL UNIT A
LIGNMENT
P
OINT
Set the spectrum analyzer as shown below:
CENTER: 159.000 MHz
SPAN: 20.000 MHz
RBW, VBW: 30 kHz
SWP: 200 ms
Adjust
L1010
,
L1012
,
L1022
,
L1026
, and
L1027
until
the wave form shown in below is obtained.
Pin 4
of J2004
GX1000S-FRONT-END
ATTEN 10dB
RL 10.0dBm
10dB/
CENTER 159.000 MHz
RBW 30 kHz
VBW 30 kHz
SPAN 20.00 MHz
SWP 200 ms
AF Signal
Generator
Deviation
Meter
50-ohm
Dummy Load
Sampling
Coupler
ANT
Pin 4
J2004
GX1000S
Spectrum
Analizer
Tracking
Generator
ANT
TP1008
GX1000S
Summary of Contents for Eclipes DSC GX1000S
Page 4: ...Exploded View Miscellaneous Parts 4 Note ...
Page 5: ...Block Diagram 5 ...
Page 6: ...Block Diagram 6 Note ...
Page 14: ...14 MAIN Unit Note ...
Page 24: ...24 Note MAIN Unit ...
Page 31: ...31 ...