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Automotive : Body Systems : Wireless Access Control

Nearly all cars today are delivered with remote access keyless entry systems. The requisite electronics in the vehicle include the onboard RF transceiver to detect and respond to the signal from the key fob. This in turn interfaces to the body control electronics ot open doors, adjust seat position, mirror position and even radio presets.

Related Melexis Products : Automotive : Body Systems : Wireless Access Control

Part Number Description  
MLX71120 Receiver - 300 to 930MHz FSK/FM/ASK, Multi-Band, Single-Channel, external IF filter
EDIT
MLX71121 Receiver - 300 to 930MHz FSK/FM/ASK, Multi-Band, Single-Channel, internal IF filter
EDIT
MLX71122 Receiver - 27 to 930MHz FSK/FM/ASK, Multi-Channel Programmable
EDIT
MLX72013 Transmitter - 433MHz, ASK/FSK
EDIT
MLX90132 Automotive 13.56MHz NFC / RFID Transceiver
EDIT
TH7122 Transceiver - 27 to 930MHz, FSK/FM/ASK, Multi-Channel
EDIT
TH71221 Transceiver - 27 to 930MHz, FSK/FM/ASK, Multi-Channel
EDIT
TH72005 Transmitter - 315MHz, FSK/ASK
EDIT
TH72015 Transmitter - 433MHz, FSK/ASK
EDIT

Related Application Notes : Automotive : Body Systems : Wireless Access Control

Document Title
File Type
Size
Revision
Date
 
27MHZ to 67MHz Low-RF Single-Conversion Superhet Receiver
PDF
164.8 KB
002
3/10/2006
EDIT
Crystal Selection Guide
PDF
127.2 KB
002
10/24/2006
EDIT
MLX71120/21 SAW Filter
PDF
357.8 KB
001
12/8/2008
EDIT
MLX71120/21 Used as Dual Band Receiver
PDF
155.7 KB
001
5/23/2008
EDIT
MLX71120/21 with balanced loop antenna
PDF
233.9 KB
001
11/24/2008
EDIT
PA Output Matching
PDF
114.5 KB
001
4/10/2006
EDIT
Receiver Design Notes
PDF
87.1 KB
1/15/2004
EDIT
TH7122 and TH71221 Cookbook
PDF
2.8 MB
rev007
7/31/2012
EDIT
TH7122 High Speed Data Communication
PDF
252.0 KB
002
3/9/2006
EDIT
TH7122 Used In Narrow Band FSK Applications
PDF
240.6 KB
002
3/9/2006
EDIT
TH7122 Using an External Microprocessor Reference Oscillator (RO)
PDF
46.8 KB
002
3/9/2006
EDIT
TH7122 with External PA and LNA
PDF
1.0 MB
001
2/22/2007
EDIT
TH71221 WSN
PDF
224.3 KB
003
3/3/2009
EDIT
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