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SCSR121

Wireless Receiver Chip

SCSR121

    • RF Chip Division is based on self-developed RF and related chips.
    • Positioned as a wireless transmitter-receiver module led by its own RF chip.
    • and wireless product solution provider.
    • Focusing on wireless modules and wireless-related PCBA processing, based on the application of our own chips.
    • Through years of accumulation and precipitation in RF design and peripheral applications.
    • Launched wireless transmitter/receiver module fully exploits the proper performance of RF chips.
    • Compared with the same type of products, it has a low price point, high reliability, long distance
    • Easy to use, meet the U.S. FCC, Europe ETSI, Korea KC, Japan MIC, ROHS and other certification specifications。
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The SCSR121 is an integrated wireless receiver chip based on the super-regenerative principle. The SCSR121 integrates a low dropout linear regulator, a bandgap reference current source, a preamplifier, a super-regenerative oscillator, an off signal generator, and an envelope detector demodulator. Typical applications are in the ISM (Industrial, Scientific, Medical) band at 315/433.92MHz with OOK (On Off Keying) modulation. The chip demodulates the received RF signal and outputs a CMOS signal.


Basic Features


 Integrated OOK wireless receiver chip 


 Inputs do not require 50Ω matching


 Operating rate <10kbps 


 Operating Voltage 2.7~5.5V 


 Ultra-low power consumption, operating current less than 1mA 


 Sensitivity -93dBm 


 High consistency, easy debugging 


 Power-up time <20mS 


 Data in, data out 


 Operating frequency 200 to 500MHz 


 RoHS compliant 


 SOP-8 package


Pinout

Scope of application

light control Wireless Doorbell Electric vehicle immobiliser anti-theft device for motorbikes Gate control (GDO) Curtain machine remote control