Fm Stereo Transmitter Circuit

  
A BA1404 IC is used to generate a complete FM MPX signal. The chip contains all of the necessary circuitry. CI and R3, and R4 and C4 provide pre-emphasis. The transmitter runs on a single AA cell. L3 is 3 turns of #20 wire on a Ke drill (for a form). L3 is long. L4 is 4 turns #20 wire on `Me drill bit, spaced to %.
Fm Stereo Transmitter Circuit - schematic

If monophonic operation is wanted, omit C5 and the 38-kHz oscillator components.



Recommended videos


  • 1W FM Amplifier Circuit (Boost Low Power Transmitters)
    Duration: 5:37.
  • FM Transmitters/RF Amplifiers/Antennas class="accessible-description" id="description-id-823942"> - Afspeellijst
  • Frequency Modulation tutorial
     
  • News


    • RadioandMusic.com
      RadioandMusic.com Listing various achievements as an outcome of measures taken in recent years, he said as far as All India Radio was concerned, a total of 610 (MW-143, SW-48, FM-419) which included 195 100 W had been commissioned by 10 Feua
       15 March 2017
    • Radio World
      I also grounded the unipole feed on the troubled tower to keep AM voltages to a minimum while workers were on it. Grounding was by a ... transmit antennas. The had to be reduced in power or completely shut down for much of the project.<
       7 March 2017
    • Radio magazine
      11, all NRK, P4 and Radio Norway were shut down in that region. All local stations in Nordland continue to transmit on FM, as will the majority of all local radio stations in Norway. NRK also states that there has been no dramatic drop
       23 February 2017
    • Radio magazine
      Secondly, the mux transmitters actually make for more oadcasting opportunities: They have more capacity to carry programming then the old they've replaced. From my research, and yearly trips to the NAB Show, I would estimate that ...
       10 February 2017
    • Radio magazine
      Radio magazine OSLO — The second county in Norway shut down some of their this week. So we checked in with our Norwegian correspondent, oadcast engineer Eivind Engberg, to see how things are going. “This week will see the second
       9 February 2017
    • Radio magazine (blog)
      NDTV GatesAir recently upgraded the Swedish — and now I can get very good FM signal quality from the Swedish channels long inside Norway. Sweden was always in front of radio content and in the 60s and 70s Swedish Radio was very popular
       9 January 2017
    • Radio World
      KCRW is a six-station cluster consisting of KCRW, Santa Monica, KDRW, Santa Barbara, KCRU, Oxnard, KCRY, Mojave & KCRI, Indio, and KERW, Los Osos-Baywood Park. Additionally it operates seven low power translator stations in the communities o
       20 December 2016
    • Radio World
      Eric Pere: Generally, operate far more efficiently than DTV or DAB transmitters so, the advantages of water cooling aren't as significant in the FM sphere. If a manufacturer ..... Fewer engineers entering the market today do so as
       23 November 2016
    • Radio World
      The manufacturer wrote that the amps are identical to those in certified it makes, and that the transmitters imported and marketed by SCMS “are by all intents and purposes the same models already certified by an FCC approved test lab.&rd
       29 September 2016

    .