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can i make radio station of my own

Discussion in 'Electronic Basics' started by [email protected], Nov 27, 2005.

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  1. Guest

    i have to make a project so i decide to make a radiostation if i
    attach an anteena to my taperecoder can it help how i cantrol frequency
    range can i connect it to my computer or it is just a funny idea
     
  2. It certainly is. :-/
     
  3. If your idea of building a radio station consists of attaching an
    ariel to a tape recorder, you don't need help with the "project" -
    rather a hefty dose of neuroleptics. OTOH, in the unlikely event
    you're not trolling, you need to join an electronics/amateur radio
    club in your area and get your introduction to the subject through the
    kind attention of its members.
     
  4. Guest

    can u help/ Guide me in making my project
     
  5. You could easily find yourself in trouble with your government by
    building an unlicensed transmitter.

    No, attaching an antenna to a tape deck will not work. In fact, it
    will do nothing other than look bizarre.

    Connecting it to your computer (how did you plan to do that,
    exactly?) will also accomplish nothing useful.

    Radio is immensely more complex than you seem to understand at
    this time. I base that statement solely on the nature of your questions,
    and without any intent of offending you.

    My advice would be to first have a look at this link. Although it
    is US-centric, it will give you a starting point.

    http://www.arrl.org

    Your next step should be to get in touch with a local amateur
    ("ham") radio club or similar group in your country. Whatever agency of
    India's government is responsible for licensing radio stations can
    probably guide you in that regard.

    Happy hunting.


    --
    Dr. Anton T. Squeegee, Director, Dutch Surrealist Plumbing Institute.
    (Known to some as Bruce Lane, ARS KC7GR,
    kyrrin (a/t) bluefeathertech[d=o=t]calm -- www.bluefeathertech.com
    "If Salvador Dali had owned a computer, would it have been equipped
    with surreal ports?"
     
  6. Hi,
    Yes! This is not a weird project as it was quite common for
    people to make a very low-power FM transmitter through which you
    could transmit to a receiver a few tens of metres away. These days
    they are called 'wireless microphones' and generally (it will
    depend on your country) do not require licensing. The simplest
    types used a single transistor and, if adjusted correctly,
    produced quite good quality. Stereo is considerably harder to do
    though so stick to mono and use a tunable (analogue) FM receiver
    because frequency stability is not very good.

    Google is your friend here.

    Best of luck and report back - Joe
     
  7. Gizmofiddler

    Gizmofiddler Guest

    I have an old Eico 324 signal generator connected to my computer.
    It outputs a small AM signal output to a short length of wire. All legal,
    etc...
    Works like a champ. It has a short range, but I can tune in any am radio
    anywhere within the house and listen to my favorite radio station - or my
    mp3 playlist on the computer - whatever I want. Range is about 50ft or so
    with my setup.

    I found it necessary to make an impedance matching transformer using a small
    output transformer from a scrapped 1970's transistor radio. This is
    connected between the amplifier output and the signal generator input. This
    is the transformer with 3 leads on one side and two on the other.
    Experimentation with a few of these found the right combination for best
    sound quality and impedance match. Do NOT connect the output of the powered
    computer speakers directly to the signal generator or it will blow the
    speaker amplifier (I know from experience).

    I found better fidelity is on the upper am dial around 1500-1600 Khz or so,
    tuned to a spot where there is no other local am radio signal. Adjust audio
    outputs for best clarity without overmodulating.

    tuner,tape player, etc to ->
    Computer -> external powered computer speakers with earphone output jack ->
    audio amp -> output impedance matching transformer -> signal generator ->
    "on the air"

    Total cost - about $30-40
    $10 or less for amplified speakers from salvation army thrift store
    $20-30 or so for an old signal generator with an audio in/out connection

    have fun,
    nocone removethis at uslink dot net
     
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