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MAXON
SP-300 HAND HELD
Page -40-
May 2001
PIN DESCRIPTION
1
BASE DIAGRAM
Input
GND
2
3
Vcc (Pre Drive)
Vcc Control (Drive)
4
5
Vcc (Final)
Output
6
7
GND
No Description
6
Output
GND
5
4
B (4V)
2
GND
Input1
+
Gnd
7
6
TX Out
Gnd
5
4
RX Vcc
Gnd
3
2
RX Out
Gnd
1
8
TX Vcc
1 Modulation
GND
2
Out
3
4
Vcc (5V)
RX/TX VCO
RX Front-End
GND
1
2
4
5
6
RF Power Amp
(VHF) P.A. Assy. P/N: 650-230-0012
(UHF) P.A. Assy. P/N: 650-230-0013
(VHF) Front-End Assy. P/N: 650-110-0012
(UHF) Front-End Assy. P/N: 650-110-0013
(VHF) V.C.O. Assy. P/N: 650-030-0021
(UHF) V.C.O. Assy. P/N: 650-030-0020
12.8 MHz TCXO
4
3
2
1
(VHF ONLY) TCXO Assy. P/N: 650-100-0002
7
6
5
4
3
2
1
GND
GND
15
14
13
12
11
10
9
16
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
8
7
6
5
4
3
2
1
8
Tuning
Gnd
TX Mod
Gnd
Gnd
Gnd
Gnd
Gnd
18
17
Gnd
Gnd
TOP SIDE
18
17
1615
14
13
1211
10
9
8
7
65
4
3
21
R309