Linx Technologies MDEV-xxx-ES - Manual (Page 10)

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Header Section Schematic
Figure 13: Header Section Schematic
RX DATA
AUDIO
RSSI
RX PDN
RX RS232 SQ
RX DEC
AUDIO REF
1
2
3
4
5
6
7
8
9
TS2
CON9
GND
TX = NS
RX RS232 SQ
R26
10K
R25
10K
R23
10K
R24
2M
AUDIO REF
AUDIO
VCC VCC
R19
39K R20
2M R18
10K
R21
39K
C2
0.01uF
VCC
GND GND GND GND
RSSI
R22
390K
R17
5K
OUTA
1
INA- 2
INA+
3
GND
4
INB+
5 INB-
6
OUTB 7
VCC
8
U6
LMV393 R28
0
R27
0
TX = NS
VCC VCC
11 12 13 14 15 16 17 18 19 20
GND
R7
100k
GND
R8
100k
GND
R9
100k
GND
R10
100k
GND
GND
TX ENC
1 2 3 4 5 6 7 8 9 10
GND
R2 200
R3 100k
R4
100k
GND
R6
100k
GND
R5
100k
GND GND
VCC GND VCC
SW2
SEL_BAUD0 SW3 SEL_BAUD1
GND
LATCH
D2
MODE_IND
PDN ENC
GN
D
BZ
1
BUZZE
R
B`
4
C
5
C`
6
GN
D
7
B
3
A`
2
A
1
E
11
F`
12
F
13
VC
C
14
E`
10
D
9
D`
8
U5
CD4069UB HEX INVERTE
R
C3
0.01uF
R15 100k R16 10k
TX = NS
S0 BUZZE
R
VC
C
GN
D R0 100k
SEN
D
D0
0805_DIOD
E
RX = NS
RE
1
RELAY-SPD
T
1
2
J2 RELAY OU
T
GN
D
GN
D
C4 10uF
TX = NS
S1 RELAY
VC
C
GN
D
R1 100k
SEND
D1
0805_DIODE
RX = NS
S3
CREATE/LEARN
RX DEC
VCC
GND
R12 100k
SEND
R13 100k
GND
RX = NS
D6 D7 SEL_BAUD0 SEL_BAUD1 GND GND D_LATCH/E_GND D_RX_CNTL/E_TX_CNTL D_TX_ID/E_DATA_OUT MODE_IND
D_LEARN/E_CREATE D_DATA_IN/E_SEND
D0 D1
VCC VCC
D2 D3 D4 D5
U4 LICAL-ENC/DEC-MS
TX = ENC RX = DEC
VCC
GND GND
GND GND
TX RS232
RX RS232 SQ
GND
1
NC
2
NC
3
NC
4
VCC 5
NC
6
NC 7
GND
8
GND
9
DTR/PDN 10
RTS/TRSEL
11
TX DATA 12
RX DATA
13 NC
14
NC
15 GND
16
J3
HOST MODULE
PDN RS232
TX DATA
TX PDN
TX RS232
/CLK
TX ENC
/CLK SEL
GND
LO V DET
RX = NS
PDN RS232
PDN ENC
1
2
3
4
5
6
7
8
9
10
11
TS1
CON11
RX PDN
RSSI
RX DATA
AUDIO
AUDIO REF
VCC
GND
GND
ANT 1
GND
2
NC 3
GND
4
VCC 5
NC 6
NC 7
NC
8
NC
9
A REF 10
AUDIO 11
DATA 12
RSSI
13
PDN 14
NC
15
NC 16
U3
RXM-XXX-ES
TX = NS
TX PDN
TX DATA
LO V DET
/CLK SEL
/CLK
GND
GND
R14
220 ohm
VCC
PDN 1
LADJ
2
VCC 3
GND
4
DATA 5 /CLK 6
/CLK SEL
7
LO_V_D 8
GND
9
ANT 10
U2
TXM-XXX-ES
R29
22K
GND
RX = NS
RF GND GND
1
2-
5
ANT1
CONREVSMA001
RF SECTION ENCODER/DECODER SECTION
Host Interface Header Proto Signal Header
B1
9V BATTERY
GND
SW1
POWER SWITCH
GND
+ C1
220uF
GND
VCC
D11
DIODE400
J1
PWRJACK
GND
Vin 1
GND
2
Vout 3
U1
LM7805 5V REGULATOR
POWER SUPPLY SECTION
HEADER SECTION
SQUELCH CIRCUIT
Squelch Circuit Schematic
Figure 14: Squelch Circuit Schematic
RX DATA
AUDIO
RSSI
RX PDN
RX RS232 SQ
RX DEC
AUDIO REF
1
2
3
4
5
6
7
8
9
TS2
CON9
GND
TX = NS
RX RS232 SQ
R26
10K
R25
10K
R23
10K
R24
2M
AUDIO REF
AUDIO
VCC VCC
R19
39K R20
2M R18
10K
R21
39K
C2
0.01uF
VCC
GND GND GND GND
RSSI
R22
390K
R17
5K OUTA
1
INA-
2
INA+ 3
GND
4
INB+
5
INB- 6
OUTB
7 VCC
8
U6
LMV393 R28
0
R27
0
TX = NS
VCC VCC
11 12 13 14 15 16 17 18 19 20
GND
R7
100k
GND
R8
100k
GND
R9
100k
GND
R10
100k
GND
GND
TX ENC
1 2 3 4 5 6 7 8 9 10
GND
R2 200
R3 100k
R4
100k
GND
R6
100k
GND
R5
100k
GND GND
VCC GND VCC
SW2
SEL_BAUD0 SW3 SEL_BAUD1
GND
LATCH
D2
MODE_IND
PDN ENC
GN
D
BZ
1
BUZZE
R
B`
4
C
5
C`
6
GN
D
7
B
3
A`
2
A
1
E
11
F`
12
F
13
VC
C
14
E`
10
D
9
D`
8
U5
CD4069UB HEX INVERTE
R
C3
0.01uF
R15 100k R16 10k
TX = NS
S0 BUZZE
R
VC
C
GN
D R0 100k
SEN
D
D0
0805_DIOD
E
RX = NS
RE
1
RELAY-SPD
T
1
2
J2 RELAY OU
T
GN
D
GN
D
C4 10uF
TX = NS
S1 RELAY
VC
C
GN
D
R1 100k
SEND
D1
0805_DIODE
RX = NS
S3
CREATE/LEARN
RX DEC
VCC
GND
R12 100k
SEND
R13 100k
GND
RX = NS
D6 D7 SEL_BAUD0 SEL_BAUD1 GND GND D_LATCH/E_GND D_RX_CNTL/E_TX_CNTL D_TX_ID/E_DATA_OUT MODE_IND
D_LEARN/E_CREATE D_DATA_IN/E_SEND
D0 D1
VCC VCC
D2 D3 D4 D5
U4 LICAL-ENC/DEC-MS
TX = ENC RX = DEC
VCC
GND GND
GND GND
TX RS232
RX RS232 SQ
GND
1
NC
2
NC 3
NC
4
VCC
5
NC
6
NC
7
GND 8 GND 9
DTR/PDN
10 RTS/TRSEL
11
TX DATA
12 RX DATA
13
NC 14
NC
15 GND
16
J3
HOST MODULE
PDN RS232
TX DATA
TX PDN
TX RS232
/CLK
TX ENC
/CLK SEL
GND
LO V DET
RX = NS
PDN RS232
PDN ENC
1
2
3
4
5
6
7
8
9
10
11
TS1
CON11
RX PDN
RSSI
RX DATA
AUDIO
AUDIO REF
VCC
GND
GND
ANT 1
GND
2
NC 3
GND
4
VCC 5
NC
6
NC 7
NC
8
NC
9
A REF 10
AUDIO
11
DATA 12
RSSI
13
PDN 14
NC
15
NC 16
U3
RXM-XXX-ES
TX = NS
TX PDN
TX DATA
LO V DET
/CLK SEL
/CLK
GND
GND
R14
220 ohm
VCC
PDN 1
LADJ
2
VCC 3
GND
4
DATA 5 /CLK 6
/CLK SEL
7
LO_V_D 8
GND
9
ANT 10
U2
TXM-XXX-ES
R29
22K
GND
RX = NS
RF
GND GND
1
2-
5
ANT1
CONREVSMA001
RF SECTION ENCODER/DECODER SECTION
Host Interface Header Proto Signal Header
B1
9V BATTERY
GND
SW1
POWER SWITCH
GND
+ C1
220uF
GND
VCC
D11
DIODE400
J1
PWRJACK
GND
Vin
1
GND
2
Vout
3
U1
LM7805 5V REGULATOR
POWER SUPPLY SECTION
HEADER SECTION
SQUELCH CIRCUIT
Power Supply Section Schematic
Figure 15: Power Supply Section Schematic
RX DATA
AUDIO
RSSI
RX PDN
RX RS232 SQ
RX DEC
AUDIO REF
1
2
3
4
5
6
7
8
9
TS2
CON9
GND
TX = NS
RX RS232 SQ
R26
10K
R25
10K
R23
10K
R24
2M
AUDIO REF
AUDIO
VCC VCC
R19
39K R20
2M R18
10K
R21
39K
C2
0.01uF
VCC
GND GND GND GND
RSSI
R22
390K
R17
5K
OUTA
1
INA- 2
INA+
3
GND 4 INB+ 5
INB-
6
OUTB 7
VCC
8
U6
LMV393 R28
0
R27
0
TX = NS
VCC VCC
11 12 13 14 15 16 17 18 19 20
GND
R7
100k
GND
R8
100k
GND
R9
100k
GND
R10
100k
GND
GND
TX ENC
1 2 3 4 5 6 7 8 9 10
GND
R2 200
R3 100k
R4
100k
GND
R6
100k
GND
R5
100k
GND GND
VCC GND VCC
SW2
SEL_BAUD0 SW3 SEL_BAUD1
GND
LATCH
D2
MODE_IND
PDN ENC
GN
D
BZ
1
BUZZE
R
B`
4
C
5
C`
6
GN
D
7
B
3
A`
2
A
1
E
11
F`
12
F
13
VC
C
14
E`
10
D
9
D`
8
U5
CD4069UB HEX INVERTE
R
C3
0.01uF
R15 100k R16 10k
TX = NS
S0 BUZZE
R
VC
C
GN
D R0 100k
SEN
D
D0
0805_DIOD
E
RX = NS
RE
1
RELAY-SPD
T
1
2
J2 RELAY OU
T
GN
D
GN
D
C4 10uF
TX = NS
S1 RELAY
VC
C
GN
D
R1 100k
SEND
D1
0805_DIODE
RX = NS
S3
CREATE/LEARN
RX DEC
VCC
GND
R12 100k
SEND
R13 100k
GND
RX = NS
D6 D7 SEL_BAUD0 SEL_BAUD1 GND GND D_LATCH/E_GND D_RX_CNTL/E_TX_CNTL D_TX_ID/E_DATA_OUT MODE_IND
D_LEARN/E_CREATE D_DATA_IN/E_SEND
D0 D1 VCC VCC D2 D3 D4 D5
U4 LICAL-ENC/DEC-MS
TX = ENC RX = DEC
VCC
GND GND
GND GND
TX RS232
RX RS232 SQ
GND
1
NC 2
NC
3
NC
4
VCC
5
NC
6
NC 7
GND
8
GND
9
DTR/PDN 10
RTS/TRSEL
11 TX DATA
12
RX DATA
13 NC
14
NC 15
GND
16
J3
HOST MODULE
PDN RS232
TX DATA
TX PDN
TX RS232
/CLK
TX ENC
/CLK SEL
GND
LO V DET
RX = NS
PDN RS232
PDN ENC
1
2
3
4
5
6
7
8
9
10
11
TS1
CON11
RX PDN
RSSI
RX DATA
AUDIO
AUDIO REF
VCC
GND
GND
ANT 1
GND 2
NC 3
GND 4
VCC 5
NC 6
NC 7
NC 8 NC 9
A REF 10
AUDIO 11
DATA 12
RSSI 13
PDN 14
NC 15
NC 16
U3
RXM-XXX-ES
TX = NS
TX PDN
TX DATA
LO V DET
/CLK SEL
/CLK
GND
GND
R14
220 ohm
VCC
PDN 1
LADJ 2
VCC 3
GND 4
DATA 5 /CLK 6
/CLK SEL 7
LO_V_D 8
GND 9
ANT 10
U2
TXM-XXX-ES
R29
22K
GND
RX = NS
RF GND GND
1
2-
5
ANT1
CONREVSMA001
RF SECTION ENCODER/DECODER SECTION
Host Interface Header Proto Signal Header
B1
9V BATTERY
GND
SW1
POWER SWITCH
GND
+ C1
220uF
GND
VCC
D11
DIODE400
J1
PWRJACK
GND
Vin
1
GND
2
Vout
3
U1
LM7805 5V REGULATOR
POWER SUPPLY SECTION
HEADER SECTION
SQUELCH CIRCUIT
RX DATA
AUDIO
RSSI
RX PDN
RX RS232 SQ
RX DEC
AUDIO REF
1
2
3
4
5
6
7
8
9
TS2
CON9
GND
TX = NS
RX RS232 SQ
R26
10K
R25
10K
R23
10K
R24
2M
AUDIO REF
AUDIO
VCC VCC
R19
39K R20
2M R18
10K
R21
39K
C2
0.01uF
VCC
GND GND GND GND
RSSI
R22
390K
R17
5K OUTA
1
INA-
2
INA+ 3
GND 4 INB+ 5
INB- 6
OUTB
7 VCC
8
U6
LMV393 R28
0
R27
0
TX = NS
VCC VCC
11 12 13 14 15 16 17 18 19 20
GND
R7
100k
GND
R8
100k
GND
R9
100k
GND
R10
100k
GND
GND
TX ENC
1 2 3 4 5 6 7 8 9 10
GND
R2 200
R3 100k
R4
100k
GND
R6
100k
GND
R5
100k
GND GND
VCC GND VCC
SW2
SEL_BAUD0 SW3 SEL_BAUD1
GND
LATCH
D2
MODE_IND
PDN ENC
GN
D
BZ
1
BUZZE
R
B`
4
C
5
C`
6
GN
D
7
B
3
A`
2
A
1
E
11
F`
12
F
13
VC
C
14
E`
10
D
9
D`
8
U5
CD4069UB HEX INVERTE
R
C3
0.01uF
R15 100k R16 10k
TX = NS
S0 BUZZE
R
VC
C
GN
D R0 100k
SEN
D
D0
0805_DIOD
E
RX = NS
RE
1
RELAY-SPD
T
1
2
J2 RELAY OU
T
GN
D
GN
D
C4 10uF
TX = NS
S1 RELAY
VC
C
GN
D
R1 100k
SEND
D1
0805_DIODE
RX = NS
S3
CREATE/LEARN
RX DEC
VCC
GND
R12 100k
SEND
R13 100k
GND
RX = NS
D6 D7 SEL_BAUD0 SEL_BAUD1 GND GND D_LATCH/E_GND D_RX_CNTL/E_TX_CNTL D_TX_ID/E_DATA_OUT MODE_IND
D_LEARN/E_CREATE D_DATA_IN/E_SEND
D0 D1
VCC VCC
D2 D3 D4 D5
U4 LICAL-ENC/DEC-MS
TX = ENC RX = DEC
VCC
GND GND
GND GND
TX RS232
RX RS232 SQ
GND
1
NC
2
NC
3
NC
4
VCC
5
NC
6
NC
7
GND
8
GND
9 DTR/PDN
10 RTS/TRSEL
11 TX DATA
12 RX DATA
13 NC
14 NC
15 GND
16
J3
HOST MODULE
PDN RS232
TX DATA
TX PDN
TX RS232
/CLK
TX ENC
/CLK SEL
GND
LO V DET
RX = NS
PDN RS232
PDN ENC
1
2
3
4
5
6
7
8
9
10
11
TS1
CON11
RX PDN
RSSI
RX DATA
AUDIO
AUDIO REF
VCC
GND
GND
ANT
1
GND 2
NC 3
GND 4
VCC 5
NC 6
NC
7
NC 8 NC 9
A REF
10
AUDIO 11
DATA 12
RSSI 13
PDN 14
NC 15
NC
16
U3
RXM-XXX-ES
TX = NS
TX PDN
TX DATA
LO V DET
/CLK SEL
/CLK
GND
GND
R14
220 ohm
VCC
PDN
1
LADJ 2
VCC 3
GND 4
DATA 5 /CLK 6
/CLK SEL 7
LO_V_D 8
GND 9
ANT
10
U2
TXM-XXX-ES
R29
22K
GND
RX = NS
RF GND GND
1
2-
5
ANT1
CONREVSMA001
RF SECTION ENCODER/DECODER SECTION
Host Interface Header Proto Signal Header
B1
9V BATTERY
GND
SW1
POWER SWITCH
GND
+ C1
220uF
GND
VCC
D11
DIODE400
J1
PWRJACK
GND
Vin
1
GND
2
Vout
3
U1
LM7805 5V REGULATOR
POWER SUPPLY SECTION
HEADER SECTION
SQUELCH CIRCUIT
Encoder/Decoder Section Schematic
Figure 16: Encoder/Decoder Section Schematic