Motorola APX 2000 Detailed Service Manual

Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: UHF1 (84012313002 / PC000353A01) 8-113
Figure 8-46. Receiver Front End Circuit
RF_RX_UHF1_FE_OUT
4PF
10K
DNP
DNP
22PF
0
DNP
22PF
8.2PF
10NH
DNP
3.9NH
5.6PF
10PF
18NH
OUTPORT
1SV305
18NH
1SV305
IF
10PF
10K
C1957
L1914
C1963
C1964
R1908
VR1907
12
L1913
VR1908
12
R1909
L1901
12
C1930
C1903
C1932
IF1904
1
L1900
C1900
R1900
OUT
POSTFILTER MODIFIED XTS5000
3.6NH
2.7PF
3.6NH
6PF
2.7PF
6.8PF
C1959
C1960
L1912
C1961
L1917
C1942
0.1UF
5.6PF
100PFC1954
C1955
C1956
PREFILTER MODIFIED XTS5000
CTRL_RX_UHF1_LNA_A = 3V (HIGH), LNA'S TURN ON
22K
22K
L1910
C1952
3.6NH
INPORT
INPORT
MUN5212T
DIG_CTRL_RXU
5.6PF
IF
9.1K
0.1UF
5.6PF
DC_LIN_1_8V_A
3.3PF
7.2NH
2.7PF
18NH
2.7PF
10PF
18NH
10PF
337
ANA_RX_FE_TUNE
1SV305
TL_RX_UHF1_FE_IN
IF
100PF
INPORT
63
1SV305
440
IF
IF
10K
10K
INPORT
6.8PF
C1928
C1929
C1935
VR1905
12
L1908
L1909
C1938
C1939
VR1906
12
C1953
R1910
C1925
C1926
R1906
R1907
Q1920
1
2
L1915
C1958
IF1902
1
IF1903
1
IF1901
1
IF1900
1
IN
IN
IN
IN
Q1922
10K
DC_RX_UHF1_LNA_C_13A
CTRL_RX_FE_UHF1_LNA_B_13A
75K
BC858CD
3
R1921
E1921
12
2
61
5
4
R1923
DC_RX_UHF1_LNA_D_13A
DC_RX_UHF1_LNA_A_13A
33
R1924
C1922
DC_RX_FE_UHF1_LNA_B_13A
100PF
100PF
RF_RX_FE_UHF1_LNA_C_13A
BFR380F
1.5PF
10
9.1K
0
75PF
1.2K
BC858CD
347
9.1PF
ANA_RX_FE_TUNE
4.7UF
120K
100PF
47NH
10
2.7
18NH
INPORT
100PF
4.7UF
1.6NH
RF_RX_FE_UHF1_LNA_E_13A
2.4PF
C1920
L1934
C1940
U1932
1
32
L1936
R1935
R1922
Q1922
3
C1923
C1924
R1911
C1931
C1936
R1925
R1936
L1935
C1970
R1970
C1971
R1972
C1901
IN
D1970
DNP
MMBD352
1
3
2

Motorola APX 2000 Specifications

General

IP Rating	IP67
Operating Temperature	-30°C to +60°C
GPS	Optional
Bluetooth	No
Frequency Range	700/800 MHz
Power Output	1-5 W (VHF), 1-3 W (700/800 MHz)
Channels	Up to 1, 000
Battery Life	Up to 10 hours (digital)
Digital Protocol	APCO P25
Frequency	VHF: 136-174 MHz, UHF: 380-470 MHz, 700/800 MHz: 764-870 MHz
Power	1-3W (700/800 MHz), 1-5W (VHF)