TK-3170
47
■
CN60
Pin No. Pin Name I/O
Function
1
GND
-
GND
2
SSB
O
Switched B output
DC (Battery terminal)
±
0.5V, 150mA max
3
AUX1
I/O
Auxiliary 1
Input: L
≤
0.45V, H
≥
4.7V/25k
Ω
load
Output: L
≤
0.4V, H
≥
4.2V/100k
Ω
load
4
AUX2
O
Auxiliary 2
Output: L
≤
0.4V, H
≥
4.2V/100k
Ω
load
5
RXD2
I
RXD
Input: L
≤
0.4V, H
≥
4.2V/100k
Ω
load
6
AUX3
I/O
Auxiliary 3
Input: Active “L”, L
≤
1.0V, H
≥
4.0V
Output: L
≤
0.4V, H
≥
4.2V/100k
Ω
load
7
AUX4
O
Auxiliary 4
Output: L
≤
0.4V, H
≥
4.2V/100k
Ω
load
8
AUX5
O
Auxiliary 5
Output: L
≤
0.4V, H
≥
4.2V/100k
Ω
load
9
TXD2
O
TXD
Output: L
≤
0.4V, H
≥
4.2V/100k
Ω
load
10
TA1
I
Transmit audio 1
Input: Zin > 22k
Ω
, 350
±
50mVp-p
(Standard modulation)
11
5C
-
5V power supply (50mA max)
12
MIC O
O
TX input
Input: ZL
≥
2.2k
Ω
, 130
±
50mVp-p
(Standard modulation)
13
TA2
I
Transmit audio 2
Input: Zin > 22k
Ω
, 350
±
50mVp-p
(Standard modulation)
14
DEO
O
Discriminator audio, 1Vp-p
15
ALT2
I
Alert tone audio 2, 0.5Vp-p
16
ALT1
I
Alert tone audio 1, 0.5Vp-p
17
MIC I
I
MIC signal input (AC coupled)
Before pre-emphasis
Zin
≥
22k
Ω
, 130
±
50mVp-p
(Standard modulation)
18
RA O
O
Audio signal output (DC coupled)
After de-emphasis
ZL
≥
30k
Ω
, 1
±
0.3Vp-p
(Standard modulation)
19
RA I
I
Audio signal input (DC coupled)
After de-emphasis
Zin
≥
15k
Ω
, 1
±
0.3Vp-p
(Standard modulation)
20
AUX6
I/O
Auxiliary 6
Input: L
≤
0.8V, H
≥
4.2V
Output: L
≤
0.4V, H
≥
4.2V/100k
Ω
load
■
Solder Point Connection
Designation
Function
Condiition / Value
MIC_I
MIC input
Input sensitivity / impedance (1kHz std. dev.)
500mVrms
±
100mV, @22k
Ω
load
MIC_O
MIC output
Output voltage / impedance
(1kHz, 15mVrms MIC input)
60mVrms
±
20mV, @2.2k
Ω
load
RA_I
Receiver
Input sensitivity / impedance
AF input
(1kHz rated AF power / Vol. max)
150mV
±
50mV, @22k
Ω
load
RA_O
Receiver
Output voltage / impedance (1kHz std. mod.)
AF output
200mV
±
50mV, @2.2k
Ω
load
SP_M
Speaker
Load >100k
Ω
mute
(Low) Vss~0.4V, (High) Vdd–0.8V~Vdd
RXD
RXD
Load >100k
Ω
(Low) Vss~0.4V, (High) Vdd–0.8V~Vdd
TXD
TXD
Load >100k
Ω
(Low) Vss~0.4V, (High) Vdd–0.8V~Vdd
RSSI
RSSI output
Load >100k
Ω
(Low) Vss~0.4V, (High) Vdd–0.8V~Vdd
LSDFO
LSDIN
Load >100k
Ω
output
(Low) Vss~0.4V, (High) Vdd–0.8V~Vdd
MDSW
Mandown
Load >100k
Ω
SW input
(Low) Vss~0.4V, (High) Vdd–0.8V~Vdd
5C
DC 5V
Output voltage / 10mA load
5.0V
±
0.5V / 50mA max
DEO
Discriminator
Output voltage / impedance (1kHz std. mod.)
signal output
400mVrms
±
100mV, @2.2k
Ω
load
ALT
Sidetone
Input sensitivity / impedance
input
(1kHz rated AF power / Vol. max)
140mVrms
±
50mV, @22k
Ω
load
DATAO
Transmit
Input sensitivity / impedance (1kHz std. dev.)
AF input
310Vrms
±
50mV, @22k
Ω
load
A1
AUX1
Load >100k
Ω
(Low) Vss~0.4V, (High) Vdd–0.8V~Vdd
A2
AUX2
Load >100k
Ω
(Low) Vss~0.4V, (High) Vdd–0.8V~Vdd
A3
AUX3
Load >100k
Ω
(Low) Vss~0.4V, (High) Vdd–0.8V~Vdd
A4
AUX4
Load >100k
Ω
(Low) Vss~0.4V, (High) Vdd–0.8V~Vdd
A5
AUX5
Load >100k
Ω
(Low) Vss~0.4V, (High) Vdd–0.8V~Vdd
A6
AUX6
Load >100k
Ω
(Low) Vss~0.4V, (High) Vdd–0.8V~Vdd
SB
Switched B
Output voltage / 7mA load
DC (Battery terminal)
±
0.5V / 150mA max
G
GND
Vss
TA1
Transmit
Input sensitivity / impedance (1kHz std. dev.)
AF input
310Vrms
±
50mV, @22k
Ω
load
TERMINAL FUNCTION