Midian CAD-POCSAG, Manual

Page: 9 / 16

1
1
2
2
3
3
4
4
5
5
6
6
D D
C C
B B
A A
*
Q0
11
Q1
12
Q3
14
EN
2
CK
9
EN
10
GND
8
CLR
7
Q2
13
V+
16
U14:1
*
OSC1
8
OSC2
9
GS
3
IN-
2
St/GT
19
ESt
18
IN+
1
VREF
4
VCC
20
PWDN
6
INH
5
GND
10
STD
17
Q1
12
Q2
13
Q3
14
Q4
15
TOE
11
NC1
7
NC2
16
U2
.01u
C10
*
C26
*
C27
10K
R83
10K
R85
4.7K
R48
4.7K
R77
4.7M
R55
22p
C8
220
22p
C9
*
C66
*
*
C67
*
R52
+5v
.1u
C37
+5v
*
Q1
4
Q0
3
CK
1
Q3
6
Q2
5
CLR
15
U14:2
+5v +5v
OSC2
42
TCAP
41
D7
39
OSC1
43
A5
7
A6
6
A7
5
A4
8
A3
9
A1
11
A0
12
C4
27
C1
30
C6
25
GND
22
TCMP
38
IRQ
2
VDD
44
VPP
4
SS
37
B3
16
B0
13
B1
14
A2
10
C5
26
C3
28
C0
31
C2
29
C7
24
B4
17
B7
21
B6
20
RES
1
B2
15
B5
19
SCK
36
MOSI
35
MISO
34
RDI
32
TDO
33
NC4
3
NC1
18
NC2
23
NC3
40
68705FN
U1
10K
R50
+5V
*
EN
1
EN
1
GND 2 GND 2
OUT
3 OUT 3
V+
4
V+
4
Y4
*
R23
Q3
6
Q0
3
CLK
1
EN
2
VDD
16
R
15
Q1
4
Q2
5
*
U7:1
8
9
10
*
U6:3
2
1
3
7
14
*
U6:1
74HC4046
3
4
12
2
5 8 7 6 16 14
11
9
U8
* C21
* C22
*
R30
+5v
+5v +5v
+5v
*
C23
*
R31
*
R27
*
R29
10K
R49
+5v
10K
R12
+5v
*
18 20
XTL
2
XTL
1
4800
17
1200
16
VBIAS
9
CDRC
19
CD
13
VSS
10
11
TX_DIN
5
3
7
8
RX_S
15
RX_IN
14
TX_ENA
6
CKD
12
TX_OUT
4
U9
* C28
*
C29
*
C61
*
C32
*
C33 *
JU1B
*
R35
+5v
+5v
+5v
B
COR IN COR IN
P1:9
B25
Q2
.001u
C80
10K
R57
0R
R94
0R
R96
4.7K
R56
*
R95
+VIN
SQUELCH OUTPUT SQUELCH OUTPUT
P1:5
10K
R79
*
C44
10K
R80
27K
R81
560p
C43
VAN
TX AUDIO OUTPUT TX AUDIO OUTPUT
P1:6
*
C36
*
C76
*
R97
-
+
3
2
5
*
6
4
U13
*
C63
*
R89
*
R90
+VIN
B25
Q4
11 22
JU14
93LC46B
CS
1
SCLK
2
SI
3
SO
4
VCC
8
NC1
7
NC2
6
GND
5
U12
.01u
C62
47K
R53
47K
R54
+5V
*
FB
*
C73
*
C72
*
C75
*
C74
*
R93
* R86
* R87
* R88
USB OPTION
5206
IN1
1
ENA
3
GND
2
RES
4
OUT
5
VR1
.01u
C38
.01u
C39
.01u
C40
.01u
C55
+5V +VIN
GROUND GROUND
P1:1
+VIN +12-15VDC +VIN +12-15VDC
P1:2
47K
R40
100K
R41
2.7K
R39
+5v +5v
10K
R34
7.5K
R32
VAN
+5V
R
7
VSS
8
EN
10
Q3
14
Q2
13
CL
K
9
Q1
12
Q0
11
*
U7:2
13
12
11
*
U6:4
+5v
CAD 300 ZAP FORMAT
CAD 400 GSTAR FORMAT
OPTION
MF OPTION
*
R8
.1u
C7
+5v
*
R6
*
R7
2
3
*
D1:1
*
R9
1
3
*
D1:2
*
R5
*
C5
.01u
C6
*
R33
TOUCH TONE
CAD 100
.01u
C3
+5v
VAN
10K
R14
1M
R2
100p
C4
100K
R37
11 22
JU1
P S 1 6
5
3 4
2
T1
*
P0300
TZ1
C2
.022u
C1
220K
R1
RX BALANCED IN RX BALANCED IN
P1:10
RC BALANCED IN RC BALANCED IN
P1:11
RC INPUT RC INPUT
P1:12
100K
R3
330R
R42A
330R
R42B
* C68
*
R38
*
C13
*
C14
*
R36
*
R91
*
C16
*
R13
*
R10
*
R16
*
R15
*
R17
+5v
CAD 200 5 TONE
*
C15
*
C65
*
R11
*
C25
* C24
* C31
*
R24
*
R25
VAN
6
5
4
*
U6:2
*
C19
*
C17
* C18
*
R19
*
R18
*
R22
*
R21
*
R20
VAN
VAN
*
R99
VCC
P3:1
D-
P3:2
D+
P3:3
GND
P3:4
NC
P3:5
P3:6
NC NC
P2:1
TXO TXO
P2:2
RXI RXI
P2:3
DTR DTR
P2:4
GND GND
P2:5
DSR DSR
P2:6
CTS CTS
P2:7
RTS RTS
P2:8
NC NC
P2:9
NC NC
P2:10
MX232
T1_IN
11
R1_OUT
12
T1_OUT
14
R1_IN
13
C1+
1
C1-
3
C2+
4
C2-
5
VCC
16
V+
2
V-
6
GND
15
R2_IN
8
T2_OUT
7
T2_IN
10
R2_OUT
9
U11
100K
R84
100K
R46
0R
R47
+5V
+5V
+5V
SERIAL OPTION
560p
C69
560p
C70
PTT OUTPUT PTT OUTPUT
P1:3
1
3
A6
D3:2
2
3
D3:1
A6
P1:4
*
P0300
TZ2
*
11 22
JU5
P S 1 6
5
3 4
2
T2
*
*
C47
330R
R82A
330R
R82B
OPTION TX OPTION TX
P1:7
P1:8 ALARM
3
5
6
10
8
7
12
1
K1
*
1
3
D
4
:2
2
3
D
4
:1
+VIN
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
10K
R78
.001u
C42
0R
R92
100K
R75
VAN
240K
R76
100p
C41
VAN
OUTPUT LEVEL
ADJUST
0R
R98
B
TCAP
3.579545 MHz.
Y1
*
Y3
*
Y2
BSS
Q3
CAD
500/600
FFSK
CAD POCSAG TONE OUTPUT
BALANCED
OUTPUT
A
A
*
R26
*
R28
GND
.47u
C60
.47u
C64
1 P0.5
P0.5
2
P0.3 P0.3
3
XTALin XTALin
4
Vss Vss
8
Vdd Vdd
7 P0.4
P0.4
6 P0.2
P0.2
5
XTALout XTALout
*
U16
*
Y5
*
C102
*
C101
+5v
*
C103
GND
JP1:1 JP1:2 JP1:3 JP1:4 JP1:5
N/C
TP5
*
C104
*
JU1C
+5v
10K
R100
1u
C48
1u
C49
1u
C50
1u
C51
*
C30
*
C71
*
C34B
*
C34A
1u
C53
1u
C52
1u
C54
1u
C46
*
C45
.47u
C56
11 22
33
JU12_11
*
DSR#
9
DCD#
10
GND
7
GND
21
TEST
26
GND
25
3V3V
17
VCCIO
4
RXD
5
D-
16
RI
#
6
VCC
20
TXD
1
CTS#
11
GND
18
D+
15
NC
27
NC
28
NC
19
NC
24
NC
8
NC
2
NC
3
NC
12
NC
13
NC
14
NC
22
NC
23
U15
PAD1 PAD2 PAD3
PAD4
PAD5 PAD7 PAD6
PAD8
PAD9
TP1
TP4
-
+
2
3
1
LMV324
U3:1
-
+
6
5
7
LMV324
U3:2
-
+
9
10
8
LMV324
U3:3
-
+
13
12
14
LMV324
U3:4
4
VCC VCC
11
GND GND
LMV324
U3:5
TP3
JU8
TP2
20K
R58
20K
R60
20K
R62
20K
R64
20K
R66
20K
R68
20K
R70
20K
R72
20K
R73
10K
R59
10K
R61
10K
R63
10K
R65
10K
R67
10K
R69
10K
R71
*
R51
100K
R74
BSS
Q1
C
C
*
Q301
*
D5
-
+
2
3
1
*
U5:1
-
+
6
5
7
*
U5:2
-
+
9
10
8
*
U5:3
-
+
13
12
14
*
U5:4
4
VCC VCC
11
GND GND
*
U5:5
+5v
-
+
2
3
1
*
U4:1
-
+
6
5
7
*
U4:2
-
+
9
10
8
*
U4:3
-
+
13
12
14
*
U4:4
4
VCC VCC
11
GND GND
*
U4:5
+5v
TP6
*
R101
*
R102
TP8
TP7
4.7K R43
4.7K R44
.1u
C35
*
C20
*
JU2
*
JU3
*
JU10
*
JU4
*
JU6
*
JU7
*
JU13
*
JU9
CP
CJS
1995-12-30 DML
2012-09-05
H-2
1 of 1
7219
MIDIAN ELECTRONICS, INC.
DATE:
DESIGN:
DWN BY:
REV:
APPR
COPYRIGHT ©
REV
SHEET
PROJECT NUMBER
DOCUMENT NAME
SCHEMATIC
2012
CAD-POCSAG