Browsing by Author "Rabia Hussain"

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    Connecting two prototype vehicles via FM transmission
    (University of Management and Technology, 2014) Ayesha Nisar; Ayesha Tariq; Rabia Hussain
    Our FM transmitter and receiver are built with discrete analog components and integrated on three circuit boards. This project designates the design work for our intention to connect to vehicles by implementing of transmitter-receiver technique by means of frequency modulation of range HF i.e. 25MHz. Our design consists of an audio amplifier, VCO (Voltage Controlled Oscillator), crystal COLPITTS oscillator, power amplifier at transmitter side whereas receiver consists of LNA (Low Noise Amplifier), oscillator, mixer, PLL (Phase Locked Loop) and a low pass filter. Our measurement and results are also included in this project. The power of our transmitter is 486mW and receiver is126m W. This receptivity level translates to successful audio reception at distances of almost 30m from the transmitting antenna.