Motorola PRO2150 Service Manual Page 89

  • Download
  • Add to my manuals
  • Print
  • Page
    / 136
  • Table of contents
  • TROUBLESHOOTING
  • BOOKMARKS
  • Rated. / 5. Based on customer reviews
Page view 88
99R85452E01-O August 30, 2002
UHF Band Information
: Block Diagrams 8-11
8.4.4 Transmitter
Figure 8-5.
8.4.5 Receiver
Figure 8-6.
ANT
To Receiver
TX +B
+B
TX 5V
DAC
TX
Power
Control
Q419
ANT
Switch
Q409,410
Buffer
AMP
Q414
Pre Driver
Q413
P in
VCO
Final
AMP
Q411
PA
Q412
Hamonics
Filter
C439, C440-445,C475,
L414-416
Matching Network
C491-493,C435-438
L418,430
Coupler
R442
DAC
RX
From
VCO
From ANT
Switch
2-Pole
Crystal
Filter
F402
2nd Local
44.654MHz
X501
6 Pole
Ceramic
Filter
F501
6 Pole
Ceramic
Filter
F502
Mixer
Q407
RF
AMP
Q404
Local
Buffer
Q416
IF
AMP
Q408
IF IC Q506
(2nd Mix,2nd Local,IF AMP,DISC,Noise AMP)
2-Pole
Band Pass
Filter
Q401,402
2-Pole
Band Pass
Filter
Q405,406
Page view 88
1 2 ... 84 85 86 87 88 89 90 91 92 93 94 ... 135 136

Comments to this Manuals

No comments