Motorola APX 6000 Service Manual

Schematics, Boards Overlays, and Parts Lists: Transceiver (RF) Boards: 700–800 MHz 8-85
Figure 8-53. NUF6750A Receiver Front End Circuit
IN
DC_LIN_1_8V_A
IN2
GND1
GND2
GND3 GND4
OUT2
OUT1IN1
FL401
B4232
8
6
4
2
5
7
SW1 AND SW2 HAVE TO BE OPPOSITE
CTRL_RX_78_SW2 = 0V, 800 PATH SELECTED
CTRL_RX_78_SW1 = 0V, 700 PATH SELECTED
1
3
C409
C408
0
0
CTRL_RX_78_SW2
J3
GND
J2
V2
J1
V1
6
4
1
3
52
U402
C404
C406
C402
CTRL_RX_78_SW1
33PF
33PF
AS211334
33PF
CTRL_RX_78_SW1
C413
CTRL_RX_78_SW2
J3
GND
J2
V2
J1
V1
L408
L407
6
4
1
3
52
U404
C423
C418C416
C412
33PF
10NH
AS211334
7.5NH
6.8PF
33PF
47PF
15PF
E401
12
R403
R401
R402
43
5
Q402
16
2
BC858CD
3.3K
82K
22K
R404
Q402
BC858CD
68
R413
C427C424
2.7
33PF 4.7UF
L403
23
1
U406
L402
L401
R406
R405
C426
C425
C421 C422
2.7
12NH
33PF
3PF
10
4.7UF
BFR380F
1PF
12NH
2.4NH
R414
C435
L406
R411
C430
L404
2
3
1
U407
C432
C433
L405
R412
RF_RX_FE_B2_OUT
5.1
BFR380F
2.4NH
10
12NH
3PF
12NH
10
6.8PF
1PF
1PF
OUT
C428 C429
33PF
4.7UF
C434C431
33PF 4.7UF
R408
R407
1
6
2
Q403
R409
43
5
Q403
R410
BC858CD
82K
3.3K
68
BC858CD
22K
21
E402
TL_RX_78
IN
V1
6
4
1
3
52
U403
AS211334
CTRL_RX_78_SW2
J3
GND
J2
V2
J1
C405
C407
C411
C410
0
CTRL_RX_78_SW1
33PF
33PF
0
IN2
GND1
GND2
GND3
GND4
OUT2
OUT1IN1
5
7
3
1
8
6
4
2
FL402
B4232
NC
43
U408
CTRL_RX_78_SW2
NC7WZ04
VCC
GND
5
2
U408
61
U408
CTRL_RX_78_SW1
NC7WZ04
DC_LIN_3V
NC7WZ04
IN
IN
C415
1
3
2
C414
0
0
CTRL_RX_78_SW1
CTRL_RX_78_SW2
J3
GND
J2
6
4
5
U405
C417
C419
AS211334
33PF
33PF
V2
J1
V1

Motorola APX 6000 Specifications

General

Frequency Range	700/800 MHz, VHF, UHF Range 1, UHF Range 2
IP Rating	IP67
P25 Phase 1 & 2	Yes
GPS	Yes
Encryption	AES, DES
Power Output	1-3 Watts (700/800 MHz)
Operating Temperature	-30°C to +60°C
Intrinsically Safe	Yes
Bluetooth	Yes (Bluetooth 4.0)