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  • rfRXD0420 Receiver Module
    The rfRXD0420 Receiver Module (see Figure 1) is a low cost, high performance UHF short-range radio ASK receiver design using the Microchip Technology The module design is suitable for: ? Wireless remote command and control ? Remote Keyless Entry (RKE) ? Security systems ? Low power telemetry
  • rfRXD0420 ASK Receiver Reference Design
    This application note describes a low cost, high performance UHF short-range radio ASK receiver design using the Microchip Technology rfRXD0420. The reference design is suitable for: * Wireless remote command and control * Remote Keyless Entry (RKE) * Security systems * Low power telemetry
  • Frequency Modulation (FM) Tutorial
    Edwin H. Armstrong, known as one of the founding fathers of radio technology, invented the superheterodyne radio receiver in 1918 and frequency modulation (FM) in 1933 [1]. These two concepts, along with his regenerative circuit technique developed in 1912, formed the basis of radio frequency
  • Frequency Hopping and Unwanted Intruders
    radio (where a listener finds the specific radio frequency and listens to the message being sent) has an added element of security over a wire because message is usually encoded and the listener can only make sense of it when he/she has the appropriate receiver.
  • Broadcast FM Radio Tuner for Portable Applications
    This document applies to Si4702/03-C Firmware 19 and greater. Worldwide FM band support (76-108 MHz). Digital low-IF receiver. Frequency synthesizer with integrated VCO. Seek tuning. Automatic frequency control (AFC). Automatic gain control (AGC). Excellent overload immunity. Signal strength
  • Factors Influencing RF Module Communication
    An RF module is a small electronic device designed for transmission and reception of radio signals between two devices. As the name suggests, these modules operate at radio frequency and transmit signals in the form of electromagnetic energy waves. Transmission through RF Wireless Modules is better
  • Wireless Antennas
    the transmission of numerous waves of radio frequency that helps in increasing the speed of data with less error rate. There are different types of Wireless Antennas available in the market. Some important types of antenna are highlighted in the below listings.
  • Solving FM Antenna Design Challenges in Portable Devices (.pdf)
    a description of an FM radio receiver solution that enables the antenna to be integrated or embedded inside the portable device enclosure, making the headphone cable optional. This white paper covers techniques for maximizing sensitivity, including maximizing efficiency at the resonant frequency and maximizing

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