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R2705E Datasheet, PDF (1/3 Pages) List of Unclassifed Manufacturers – 27.195MHz FSK Radio Data Receiver for Manchester Data Format
R2705E
27.195MHz FSK Radio Data Receiver for Manchester Data Format
Features
• Receives digital data
• Baud rates 300 - 2400bps
• Low cost, small size, low current consumption
ELSEMA
27.195MHz FSK Radio Data Receiver for Manchester Data Format, R2705E
Application
• Telecommand Systems
• Security Systems
• Alarms
• Radio Data Communications
• Commercial / Industrial Telemetry
Description
The R2705E is a radio data receiver to receive digital data. Baud rates of 300 to 2400 bps can be received (Can be used to 4800bps with
reduced sensitivity). The low cost, small size, low current consumption makes it ideal for various applications.
RX-Data Slicer is set for Elsema Remote Control Signal (Average 66%L-33%H).
Technical Data
Supply Voltage
Current Consumption
Receiver Type
Receiving Freq
Oscillation System
Operating Temperature Range
IF Freq
Selectivity
Sensitivity
Type of Demodulation
Occupied Band Width
Baud Rate
Data Output Level
Frequency Response
Dimension
Weight
Usable Transmitter
Antenna
4.5 - 5.5 VDC Absolute maximum 6.5VDC.
3.5mA
Dual Conversion Superheterodyne
27.195MHz (Other freq available on 27.045, 27.145, & 27.455MHz. The 27.455 freq
is not available for Australia)
VCO with 10ppm Crystal Controlled reference Oscillator
-5 to 50°C
10.7 MHz and 455KHz
-6dB at ±5kHz
-20dB at ±6kHz
Better than -107dBm or 1µV
Frequency Shift Keying. (FSK)
25KHz at -20dB.
300-2400bps with 66/33% duty cycle (other duty cycles will degrade sensitivity)
0-5V
150 to 2400 Hz with 66/33% duty cycle (Other duty cycles will degrade sensitivity)
39 x 25 x 12mm
13 grams
FMT-2712 Data Transmitter
50 ohms, 27MHz Antenna