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Zarlink Semiconductor
Zarlink Semiconductor

KESRX05 Datasheet Preview

KESRX05 Datasheet

260 to 470MHz ASK Receiver

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KESRX05 pdf
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replacement product lists, please visit
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Zarlink Semiconductor
Zarlink Semiconductor

KESRX05 Datasheet Preview

KESRX05 Datasheet

260 to 470MHz ASK Receiver

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KESRX05 pdf
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KESRX05
260 to 470MHz ASK Receiver with Power Down
Preliminary Information
DS5023 Issue 1.9 August 1999
Features
G In-band Interference Rejection 20dB max.
G 2103dBm Sensitivity (IF BW = 470kHz)
G AGC around LNA and Mixer
G Low Supply voltage (3 to 6V)
G 2-Stage Power Down for Low Current Applications
G Interface for Ceramic IF Filters up to 15MHz
G All Pins Meet 2kV Human Body Model ESD
Protection Requirement
G Compliant to ETS 300-220 and FCC Part 15
Applications
G Remote Keyless Entry
G Security, tagging
G Remote Controlled equipment
Absolute Maximum Ratings
Supply voltage, VCC
Storage temperature,Tstg
Junction temperature, Tj
RF input power
20·5V to 17V
255°C to 150°C
255°C to 150°C
120dBm from 50
Ordering Information
KESRX05B/KG/QP1S (anti-static tubes)
KESRX05B/KG/QP1T (tape and reel)
The KESRX05 is a single chip ASK (Amplitude Shift Key)
Receiver IC. It is designed to operate in a variety of low
power radio applications including keyless entry, general
domestic and industrial remote control, RF tagging and
local paging systems.
The receiver offers an exceptionally high level of integration
and performance to meet the local oscillator radiation
requirements of regulatory authorities world wide.
Functionally the device works in the same way as the
KESRX01 with the added features of low supply voltage,
in-band interference rejection (anti-jamming detector), a
2-stage power down to enable receiver systems to be
implemented with less than 1mA supply, and a wide IF
bandwidth and drive stage to interface to an external
ceramic IF bandpass filter at intermediate
frequencies from 0·2MHz to 15MHz.
The KESRX05 is an ideal receiver for difficult reception
areas where high level interferers would jam the wanted
signal. The anti-jamming circuit allows operation to be
possible with interfering signals which are more than 20dB
stronger than the wanted signal, without the cost penalties
of increased IF selectivity and frequency accuracy.
RF INPUT
AGC
MIXER
CERAMIC
IF FILTER
LNA
RSSI DETECTOR
SAW
FILTER
LOOP
FILTER
XTAL
PHASE
DETECTOR
464
VCO
NOISE
REDUCTION
FILTER
PHASE LOCKED LOOP
Figure 1 Typical system application
ANTI
JAM
DATA
FILTER SLICER
SLICED
DATA
REF


Part Number KESRX05
Description 260 to 470MHz ASK Receiver
Maker Zarlink Semiconductor
Total Page 28 Pages
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