FM SIL T
RANSMITTER MODULE
Mechanical Dimensions
22.86mm
Pins on "0.1 pitch
FM-RTF3-XXX
Component Side
1 2
6 7
11.43mm
2.54mm 10.16mm
Pin Dimentions :
0.25mm x 0.50mm
Pin Description
Pin Number
1
2
6
7
Name
EA
IN
GND
Vcc
Description
External Antenna
Data input
Ground, Connect to RF earth return path
Supply Voltage
Typical Application
ANTENNA
+5V
+5V
RFT3-XXX
1 2
6 7
1
2
3
4
5
6
7
8
9
A0
A1
A2
A3
A4
A5
A6
A7
VSS
HT12E
VDD
DOUT
OSC1
OSC2
TE\
AD11
AD10
AD9
AD8
18
17
16
15
14
13
12
11
10
R
OSC
Antenna Configuration
Helical Coil Antenna
RF
Loop Antenna
RF
Whip Antenna
RF
17.3cm @ 433MHz
34 Turns of enamelled copper wire diameter 0.5mm
close wound on 2.5mm diameter former
Loop Antenna Area
4 To 10cm
2
Track Width
1mm
RF GND
Capacitor 1.5 - 5pF
Fixed or Variable
DS059_2 Jul ‘01
©2001 Reg. No. 227 4001, ENGLAND
Page 2
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