Kenwood NX-700 Service Manual page 70

Vhf digital transceiver
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NX-700/700H
Pin No.
Pin Name
AUXIO9
4
AUX input/output 9.
DI
5
Data signal input.
MI2
6
External MIC input.
7
GND (Ground)
AUXIO8
8
AUX input/output 8.
TXD2
9
Serial data output 2.
TTL level.
RXD2
10
Serial data input 2.
TTL level.
11
GND (Ground)
AUXIO7/
BER_DATA
12
AUX input/output 7.
BER data input.
AUXIO6/
BER_CLK
13
AUX input/output 6.
BER CLK input.
SB
14
Power output after
power switch.
AUXO2
15
AUX output 2.
AUXO1
16
AUX output 1.
AFO
17
RX fi ltered audio
output.
18
GND (Ground)
70
TERMINAL FUNCTION
I/O
A/D
VIH
VIL
I/O Digital
VOH (Io=–1.5mA)
VOL (Io=1.5mA)
Input Voltage range (STD Deviation)
I
Analog
Freq Response (STD Dev.) 20~9600Hz
Audio Level (STD Deviation)
I
Analog
Allowable Freq
Input Impedance
-
GND
VIH
VIL
I/O Digital
VOH (Io=–1.5mA)
VOL (Io=1.5mA)
VOH (Io=–1.5mA)
O
Digital
VOL (Io=1.5mA)
CL
VIH
I
Digital
VIL
CL
-
GND
VIH
VIL
I/O Digital
VOH (Io=–1.5mA)
VOL (Io=1.5mA)
VIH
VIL
I/O Digital
VOH (Io=–1.5mA)
VOL (Io=1.5mA)
Voltage
-
Power
Supply Current
The type of this port is open collector.
O
Digital
VOL
IOL
The type of this port is open collector.
O
Digital
VOL
IOL
Output Level
Coupling Capacitor
O
Analog
allowable Load
allowable freq
-
GND
Rating and Condition
Parameter
Min
Typ
Max
4
-
5.2
–0.5
-
1
4
-
5.2
-
-
1.1
-
0.5
-
–3
3
-
5
-
300
3000
-
600
-
4
-
5.2
–0.5
-
1
4
-
5.2
-
-
1.1
3.7
-
5.2
-
-
1.1
100
2.8
-
5.2
-
-
0.65
100
4
-
5.2
–0.5
-
1
3.7
-
5.2
-
-
1.1
4
-
5.2
–0.5
-
1
3.7
-
5.2
-
-
1.1
This parameter depends on Battery Voltage
-
-
2
0.4
–500
0.4
–500
0.7
0.1
100
-
-
300
3000
Unit
V
V
V
V
Vp-p
dB
mVrms
Hz
Ω
V
V
V
V
V
V
pF
V
V
pF
V
V
V
V
V
V
V
V
A
V
mA
V
mA
Vp-p
uF
Hz

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