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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.

Automotive : Body Systems : Wireless Access Control

Related Products

Part Number Description  
MLX71120 Receiver - 300 to 930MHz FSK/FM/ASK, Multi-Band, Single-Channel (32L QFN 5x5 Quad)
MLX71121 Receiver - 300 to 930MHz FSK/FM/ASK, Multi-Band, Single-Channel (32L QFN 5x5 Quad)
MLX71122 Receiver - 300 to 930MHz FSK/FM/ASK, Multi-Channel Programmable (32L QFN 5x5 Quad)
MLX72013 Transmitter - 433MHz, ASK/FSK (SOIC8)
TH71101 Receiver - 315/433MHz FSK/ASK, Single-Conversion Superhet (LQFP32)
TH71102 Receiver - 315/433MHz FSK/ASK, Double-Conversion Superhet (LQFP32)
TH71111 Receiver - 868/915MHz FSK/ASK, Single-Conversion Superhet (LQFP32)
TH71112 Receiver - 868/915MHz FSK/ASK, Double-Conversion Superhet (LQFP32)
TH7122 Transceiver - 27 to 930MHz, FSK/FM/ASK, Multi-Channel (LQFP32)
TH71221 Transceiver - 27 to 930MHz, FSK/FM/ASK, Multi-Channel (32L QFN 5x5 Quad)
TH72001 Transmitter - 315MHz, FSK (SOIC8)
TH72002 Transmitter - 315MHz, ASK (SOIC8)
TH72005 Transmitter - 315MHz, FSK/ASK (10L QFN 3x3 Dual)
TH72006 Transmitter - 315MHz, FSK/ASK, with Clock Output (10L QFN 3x3 Dual)
TH72011 Transmitter - 433MHz, FSK (SOIC8)
TH72012 Transmitter - 433MHz, ASK (SOIC8)
TH72015 Transmitter - 433MHz, FSK/ASK (10L QFN 3x3 Dual)
TH72016 Transmitter - 433MHz, FSK/ASK, with Clock Output (10L QFN 3x3 Dual)
TH72031 Transmitter - 868/915MHz, FSK (SOIC8)
TH72032 Transmitter - 868/915MHz, ASK (SOIC8)
TH72035 Transmitter - 868/915MHz, FSK/ASK (10L QFN 3x3 Dual)
TH72036 Transmitter - 868/915MHz, FSK/ASK, with Clock Output (10L QFN 3x3 Dual)

Application Notes

Title
File Type
Size
Revision
Date
Action
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
927.5 KB
004
3/9/2006
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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