Techkritya -Frequency Modulation (FM) Transmitter

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Rs. 1,500.00
Ex Tax: Rs. 1,500.00
  • Price in reward points: 8
  • Brand: Orion iTech Solutions
    Product Code: SB01/EC104

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    The circuit is a simple but yet a Very High Frequency (VHF) FM Transmitter. This FM transmitter (FM Tx) is about the simplest and most basic FM Transmitter, which is is possible to build and have a useful transmitting range.

    It is basically a VHF colipits oscillator capable of transmitting sound or music to any standard FM receiver.
    The circuit works on a small +9V battery which makes it easily portable. It also has a capacitor microphone which picks up very weak sound signals.

    The output frequency can be easily changed. The frequency stability is also quiet good. The range of this transmitter is about 60 to 350 meters which depend upon the size of antenna. It will easily penetrate over three floors of an apartment building and go over 300 meters in the open air. It is surprisingly powerful despite its small component count. It may be tuned anywhere in the FM band. Or it may be tuned outside the commercial M band for the greater privacy.  This product is brand of techkritya.

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    Q1. Why this Frequency Modulation (FM) Transmitter more stable as compared to other Transmitters?
    Ans1. This FM Transmitter is more stable as compared to others due to the presence of Crystal for providing frequency. As a result there is no frequency drift due to voltage change.
    Q2. What is the range of this transmitter? 
    Ans2. The range of this transmitter is 60-350 meters depending upon the antenna.
    Q3. Why Varycap diode is used?
    Ans3.The Varycap diode is used because the value of capacitance changes when input signal is fed into it. 
    Q4.  In which frequency range we are working on this project?
    Ans4. The frequency range in which we are working is 88-108Mhz. 
    Q5. What is the output power of FM transmitter?
    Ans5. The output power of FM transmitter is around 80mW.