Motorola Astro XTL 1500 User Manual

7-42 Schematics, Component Location Diagrams, and Parts Lists: HUD4022A (VHF) Main Board
June 15, 2005 6815854H01-A
Figure 7-34. HUD4022A RF Power Amplifier (RF PA) Schematic (Sheet 1 of 2)
INTERFACE
RFPA/FGU
INTERFACE
RFPA/POWER CONTROL
INTERFACE
1 %
RFPA/OUTPUT NETWORK
73D02970C73-O
SHEET 14 OF 23
TX_INJ
VREVERSE_ON
K9.1V
A+_4
VFORWARD_ON
A+_3
RFPA_OUT
K9.1V_ON
RFPA_CNTRL
VFORWARD
VREVERSE
VCURRENT
VGBIAS3
A+_1
VTEMP
VGBIAS2
A+_2
IF3543
IF3542
IF3541
IF3503
IF3500
K9.1V_FGU
IF3501
VGBIAS1
C3550
5m
470pF
C3535
U3560
R3540
1K
300.1.n
C3564
C3517
R3561
470pF
R3507
62.00p
10.
C3548
62.00p
C3536
1019447
L3549
56pF
56pF
1000pF
C3537
C3563
R3502
C3549
5.6K
NC
IF3510
IF3509
IF3506
100
C3505
.01uF
C3504
R3501
4.22nH
L3502
33pF
3.3pF
C3557
C3555
110pF
470pF
C3551
62pF
C3532
470pF
C3500
68nH
L3501
56
56
R3520
56
56
R3521
R3523
R3522
C3559
17nH
470pF
C3558
L3552
3.3pF
C3556
47pF
C3553
110pF
C3554
62.p62.p
C3552
62pF
L3520
C3533
C3534
22pF
470pF
C3521
18.5nH
Q3550
3.9
R3538
R3536
3.9
R3537
3.9
C3560
IF3505
10.u
0
R3530
R3535
C3503
R3534
33pF
R3533
3.9
3.9
R3532
3.9
3.9
C3562
0.1uF
GND
U3561
100K
R3560
INA138
VPOS
5
VINPOS
3
VINNEG
4
OUT
1
2
C3520
1
POS
HEATSINK
10pF
17nH
M3542
2
GND2
1
GND1
HEATSINK
L3551
M3520
0.1uF
C3561
LM50
2
VOUT
1
POS
3
GND
R3550
0.1uF
10
R3551
L3550
1K
1019447
C3522
C3530
470pF
R3524
IF3508
0.1uF
IF3507
Q3530
10
R3531
L3530
1019447
C3531
.01uF
470pF
12.5nH
68nH
L3531
.01uF
C3506
C3501
L3503
C3511C3508
1.n
6
RFIN
16
U3550
1.n
5
GND1
4
VG2
3
VG1
2
VD1
14
VCNTRL
1
RFOUT2
7
RFOUT1
IF3511
NC4
15
NC3
10
NC2
9
NC1
8
GND4
13
GND3
12
GND2
G2
11
17
EP
30C65
IF3512
IF3513
IF3504
IF3514
IF3502
IF3540

Motorola Astro XTL 1500 Specifications

General

IP Rating	IP54
Frequency Range	136-174 MHz, 380-470 MHz, 764-870 MHz
Battery Life	Not applicable
Display	Alphanumeric
Digital Protocol	APCO Project 25 (P25)
Encryption	DES, AES
Operating Temperature	-30°C to +60°C