Motorola CDM1550 LS+ Detailed Service Manual page 99

700 MHz Schematic Diagrams, Overlays, and Parts Lists
1",( V.H ...
~<;~---------?
LllOZ
IX~UJOO_VC.0_ 1 !SoU
TXHJ
<J-----ffi--o'YYr't--.--- - -,-- 1 f
R>CW_71))_VC0_1
--ED
-JI- -:~ ..
AXNJ Gll:J!.O ll•rl
TRO
""
ClJ4U
47pF
I
PnEsc;roo_vco_r
rRR
100
vr.o_r
CD
L331(1
"""
"""
"
""
1«111
TX: 4 91V
RX OV
"'
1T
IL"''
'""'
C:IJ ..
''"
l+------"A!v--+------"T"N'-~ -1 1 - - - --+-t----r-----,
2
R:l312
i> ,.,
1
C1J07.I_
""
UMCSNTL
L331:J
"'""'
Rl:J2T
'"'
ro):l
,.
'VV'v
RX_SW
{~
TX_~W ((-
Tc:~m
I_NU
--
7l3~'·---l
I!Wi C33H
5tpF
t
'"
.......
----0
LJln
Si.M11HA.UI1S.C.
TX4~V.)O""
RX466V,H""
=·
27pF
"""
I'VV-
~
""'
1 '
~1
UllOJ
4SJ~ ..
105Uiz
TX 22 u\A.
RX:7 on~
WJ_VIJ"_VC0_2
(!)
I
....
T·~
M_700_\'CCU
E 3-----
,. .. , f""'\\f,'·'
- - - Q_)
CJVSF
C3321
0'/Spf
C3310
NU
c,.
Olo.F
""
.,
C'-""
NU
VCTRl _7IJO VGO I
-'\Nv- • )
R3J14
'"
'""'"
t:Jl}J
'""'
-~--1
"""" I""'
( TK_SW
"'------
TXUlV611ufl.
.,,.,
""
'""' C:ll"
""'""
I""'
4-33
Figure 4-25. 700 MHz Voltage Controlled Oscillator Schematic Diagram