RX2A RADIOMETRIX [Radiometrix Ltd], RX2A Datasheet

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RX2A

Manufacturer Part Number
RX2A
Description
UHF FM receiver module with RSSI
Manufacturer
RADIOMETRIX [Radiometrix Ltd]
Datasheet
The
mounting UHF radio data receiver. It
is
Radiometrix
received
(RSSI).
implementation
speeds up to 64kb/s and distances up
to 75 metres in-building or 300 metres
over open ground.
Features
Available for operation at 433.92MHz or 434.42MHz in the UK and Europe, the RX2A combines
full screening with internal filtering to ensure EMC compliance by minimising spurious
radiation and susceptibility. The module suits one-to-one and multi-node wireless links in
applications including car and building security, EPOS and inventory tracking, remote
industrial process monitoring and computer networking. Because of the small size and low
power requirements, the RX2A is ideal for use in portable, battery-powered applications such as
hand-held terminals.
Technical Summary
Radiometrix Ltd, RX2A Data Sheet
Issue 2, 20 October 2005
an
Designed to comply with harmonised radio standard EN 300 220-3
Designed to comply with harmonised EMC standard EN 301 489-3
Data rates up to 64kb/s
Usable range up to 300m
Versions available on 433.92MHz and 434.42MHz
Fully screened
Single conversion FM superhet
SAW front end filter gives >50dB image rejection
Operation from 2.7V to 16V @ 12mA
Built-in regulator for improved stability and supply noise rejection
-101dBm sensitivity @ 1ppm BER, 64kb/s version
-108dBm sensitivity @ 1ppm BER, 10kb/s version
RSSI output with 60dB range
Extremely low LO leakage, <-100dBm
RX2A
updated
signal
It
UHF FM receiver module with RSSI
is
RX2
allows
a
of
strength
version
Radiometrix
incorporating
Hartcran House, 231 Kenton Lane, Harrow, HA3 8RP, England
miniature
data
the
Tel: +44 (0) 20 8909 9595, Fax: +44 (0) 20 8909 2233
indicator
links
of
simple
PCB
the
at
a
Figure 1: RX2A-433-10 and TX2-433-40
RX2A
page 1

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RX2A Summary of contents

Page 1

... Usable range up to 300m Versions available on 433.92MHz and 434.42MHz Fully screened Available for operation at 433.92MHz or 434.42MHz in the UK and Europe, the RX2A combines full screening with internal filtering to ensure EMC compliance by minimising spurious radiation and susceptibility. The module suits one-to-one and multi-node wireless links in applications including car and building security, EPOS and inventory tracking, remote industrial process monitoring and computer networking ...

Page 2

... Digital output from the internal data slicer. The data is a squared version of the signal on pin 6 (AF) and is true data, i.e. as fed to the transmitter. Output is “open-collector” format with internal 10k pull-up to Vcc (pin 5). Radiometrix Ltd, RX2A Data Sheet 10.7MHz IF filter MIXER IF1 LNA 2 10 ...

Page 3

... Typical figures are for signal at centre frequency, max. figures are for ±50kHz offset. 4. For 50:50 mark to space ratio (i.e. square wave). 5. Average over 30ms (10kb/s version) or 3ms (64kb/s version) at maximum data rate. Radiometrix Ltd, RX2A Data Sheet - + +100 C -0.1V to +16V -0 ...

Page 4

... Power supply requirements The RX2A incorporates a built-in regulator which delivers a constant 2.8V to the module circuitry when the external supply voltage is 2.85V or greater, with 40dB or more of supply ripple rejection. This ensures constant performance up to the maximum permitted supply rail and removes the need for external supply decoupling except in cases where the supply rail is extremely poor (ripple/noise content > ...

Page 5

... The module may be potted if required in a viscous compound which cannot enter the screen can. Warning: DO NOT wash the module not hermetically sealed. recommended horizotal mounting method Figure 5: Module mounting options Radiometrix Ltd, RX2A Data Sheet optional solder joint for extra mechanical strength ...

Page 6

... Variants and ordering information The RX2A receiver is manufactured in several variants: Data rate: Slower version: (suffix -10) Faster version: (suffix -64) Frequency: 433.92MHz 434.42MHz The following variants are standard: RX2A-433-10 RX2A-433-64 For other variants please contact Sales department. Radiometrix Ltd, RX2A Data Sheet 7.8kHz baseband B/W, ...

Page 7

Copyright notice This product data sheet is the original work and copyrighted property of Radiometrix Ltd. Reproduction in whole or in part must give clear acknowledgement to the copyright owner. Limitation of liability The information furnished by Radiometrix Ltd is ...

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