FRIENDCOM FC-301/D 사용자 설명서 - 페이지 12

{카테고리_이름} FRIENDCOM FC-301/D에 대한 사용자 설명서을 온라인으로 검색하거나 PDF를 다운로드하세요. FRIENDCOM FC-301/D 14 페이지. Rf link module

Pin
Function
Pin 1
Audio
in(Data
TX)
Pin 2
Audio out (Data
RX )
Pin 3
PTT
Pin 4
GND
Pin 5
B+
Pin 6
SQ
Pin 7
RSSI
Pin 8
Switch
Pin 9
Speaker
When Pin 8 is connected to GND(0V), the radio is in program mode. The
parameters of the radio can be changed in this mode. When Pin 8 is connected
to 5V voltage, the radio works normally in transmission or receiving status.
Type
Range
Input
200VP-P
300VP-P
150mV-250mV
Output
0
Input
V/+5V
0V
GND
V+
10-15V
Output
Open/Short
Output
0.8V-2.2V
Input
0V/5V
Output
8ohm /0.5W
- 11 -
Description
------
External Modulation Input
Demodulation Output
Transmit Enable
0V - Radio in Transmit status
5V
-
status(Default )
GND
Power Supply(+12.5V typical )
RF Carrier Detect
Open -- low level,
Short -- high level (Default).
Programming Enable
0V - Radio programmable
5V - Radio work (Default )
Radio
in
receive