Motorola APX 7000 - Figure 8-86. MNUS4002 A;E UHF2 Receiver Front End Circuit

Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: UHF2/ 700–800 MHz 8-187
Figure 8-86. MNUS4002A/E UHF2 Receiver Front End Circuit
ANA_RX_FE_TUNE
INPORT
TL_RX_UHF1_FE_IN
INPORT
IN
IN
L1910
VR1905
C1941
C1958
L1916
21
VR1910
L1915
21
VR1906
C1939
C1938
L1909
L1908
21
18NH 18NH
4.7NH
2.4PF
1SV305
1.5PF
47NH
16PF
1SV305
1SV305
0.1UF
12NH
R1907
10K
C1953
C1952
5.1PF
3.6PF
C1935
C1929
C1928
3.6PF
5.1PF
2.4PF
DIG_CTRL_RXU
R1906
C1926
C1925
R1910
100PF
0.1UF
10K
INPORT
1K
IN
INPORT
IN
DC_LIN_1_8V_A
22K
22K
2
1
Q1920
DC_RX_UHF1_LNA_C_13A
BC858CD
120K
E1921
Q1922
2
6
75K
R1923
10K
R1922
R1921
MUN5212T
1
21
3
5
3
BC858CD
Q1922
R1924
4
33
R1925
R1911
C1924
C1923
ANA_RX_FE_TUNE
100PF
2.7
1K
4.7UF
INPORT
IN
C1940
BFR380F
U1932
32
1.6NH
0
7PF
L1935
R1936
L1938
C1936
C1931
R1935
L1936
1
L1934
C1922C1920
100PF
1.2K
100PF
24NH
4.7UF
DNP
110NH
180PF
72NH
C1959
C1942
L1919
21
VR1920
L1917
R1909
2
1
VR1908
L1913
21
VR1907
R1908
C1964
C1963
L1914
C1961
L1912
C1960
C1957
C1956
C1955
C1954
18NH
18NH
3.9NH
12NH
2.4PF
100PF
10K
10K
0.1UF
5.6PF
1SV305
1SV305
3.6PF
16PF
3.6PF
5.6PF
51NH
2.4PF
1.5PF
1SV305
RF_RX_UHF1_FE_OUT
OUTPORT
OUT