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R2705E
27.195MHz FSK Radio Data Receiver for Manchester Data Format
Features
• Receivers digital data
• Baud rates 300 - 2400bps
• Low cost, small size, low current consumption
Applications
• Telecommand Systems
• Security Systems
• Alarms
• Radio Data Communications
• Commercial / Industrial Telemetry |
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 Download Datasheet
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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 |
4.5 to 5.5 Volts DC. Absolute maximum 6.5VDC |
| Current Consumption |
3.5mA |
| Receiver Type |
Dual Conversion Superheterodyne |
| Receiving Freq |
27.195MHz (Other freq available on 27.045, 27.145, & 27.455MHz. The 27.455 freq is not available for Australia) |
| Oscillation System |
VCO with 10ppm crystal controlled reference oscillator. |
| Operating Temperature Range |
-5 to 50°C |
| IF Freq |
10.7MHz and 455KHz |
| Selectivity |
-6dB at ±5kHz
-20dB at ±6kHz |
| Sensitivity |
-107dBm or 1µV |
| Type of Demodulation |
Frequency Shift Keying. (FSK) |
| Occupied Band Width |
25KHz at -20dB. |
| Baud Rate |
300-2400bps with 66/33% duty cycle (other duty cycles will degrade sensitivity) |
| Data Output Level |
0-5V |
| Frequency Response |
150 to 2400 Hz with 66/33% duty cycle (Other duty cycles will degrade sensitivity) |
| Dimension |
39 x 25 x 12mm |
| Weight |
13 grams |
| Usable Transmitter |
FMT-2712 Data Transmitter |
| Antenna |
50 ohms,27MHz Antenna |
Connection
*Only 66/33% duty cycle data is suitable for the R2705E receiver.
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