CIRCUIT DESIGN CDP-RX-03AS Panduan Pengoperasian - Halaman 7

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PIN DESCRIPTION

Pin-No.
Pin-Name
CN1-1
DATA
CN1-2
AF
CN1-3
RSSI
CN1-4
CTRL
CN1-5
VCC
CN1-6
GND
CN2-1
ANT
CN2-1
GND
CDP-RX-03AS UHF Radio Data Module Operation Guide
I/O
The data signal output
O
The terminal is pulled up with resister
The AF signal output terminal
O
The signal output level is –11dBm typ.
Fm=1KHz /Fmod=+/-3KHz, 100Kohm)
(
The receiving level output
O
The level indicate the strength of RF level
The power on/off control terminal. (Lo active)
I
The voltage which Vcc-1.8V or lower voltage
make the circuit active.
The power supply terminal
-
Operates on 3.0 to 14V
The ground
-
Connect to the ground of the control board.
The antenna terminal
I
Connect the antenna with 50 ohm impedance
The ground terminal for the antenna
-
Description
CIRCUIT DESIGN, INC.
Equivalent internal circuit
Vcc
22k
Pin
100 p
1uF
A FO ut
Pin
Low Pass Filter
IF IC
100K
RSSI
Pin
103
IF IC
V cc
56K
Cont
Pin
10K
V oltage Regulator
4.7u
V in
V oltage Regulator
A N T
G N D
Pin
7