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How to make, where to buy, order 5 kHz, 10 kHz, 15 kHz crystal/ ceramic resonators

Discussion in 'Electronic Components' started by la-la, Nov 15, 2006.

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  1. Statek used to be the original source for tuning fork style crystals,
    which is what you need at low kilohertz frequencies.

    Many thanks,

    Don Lancaster voice phone: (928)428-4073
    Synergetics 3860 West First Street Box 809 Thatcher, AZ 85552
    rss: email:

    Please visit my GURU's LAIR web site at
  2. John Fields

    John Fields Guest

  3. la-la

    la-la Guest

    thanks whit3rd.
    Tuning fork is exactly what I need but still as an electronic
    Is it possible to place an order for a specified frequency tuned tuning
    or retune, fine retune one already manufactured.
    Is machining, laser burning a good way to retune one tuning work to a
    preferred frequency ?
    Clock resonators are quite small (built as tuning forks).
    Does it mean I can expect 5Khz, 10Khz, 15Khz tuning fork to be of the
    like size ?
    And is it feasible to place an order for a sample of pretuned kHz
    tuning forks with one company, lab or a private person and them
    manufactured and develivered at a reasonable price and in foreseeable
    future ?
    Thanks once again for your kind input.
  4. US TV color burst frequency. There is one crystal of that frequency in
    every US TV. So they are very common and cheap.

    Not sure how long that will stay after HDTV takes over. I would think
    it would still be needed for S-video and lower quality inputs from
    legacy DVD's and VCRs.


    Gerald Bonnstetter
    Bonnsoft - Computer Programming and Software Repair
    Ventura, Iowa, USA
  5. Eeyore

    Eeyore Guest

    What's wrong with 4.433618 MHz ?

  6. Eeyore

    Eeyore Guest

    In reality TV crystals are no cheaper than other popular frequencies.

    I've normally used 4, 8, 12 and 16 MHz for my microcontoller designs and there
    have been no problems either sourcing them or with the price.


  7. If you only need one or two, you can usually pull a crystal or two
    from a jun TV set for free. I probably have 100 on hand from dead TV

    Service to my country? Been there, Done that, and I've got my DD214 to
    prove it.
    Member of DAV #85.

    Michael A. Terrell
    Central Florida
  8. Eeyore

    Eeyore Guest

    I don't build stuff with salvaged parts though.

  9. Guest

    time you told us why you want one of this freq. Without that, who knows
    what options are most suitable. App, quantity, tolerance and so on.


  10. I will use them for prototypes, or to repair my personal equipment.
    The failure rate on crystals is so low that it doesn't make sense to buy
    a new part, when I have something on hand that is likely to outlast the

    Service to my country? Been there, Done that, and I've got my DD214 to
    prove it.
    Member of DAV #85.

    Michael A. Terrell
    Central Florida
  11. la-la

    la-la Guest

    Nothing special. Just testing wireless power/energy transfer, following
    Tesla's ideas and one developed recently at MIT.
    I am testing acoustic frequencies at first.

  12. Why do you need crystals? A tunable audio generator, of function
    generator would work well at those frequencies.

    Service to my country? Been there, Done that, and I've got my DD214 to
    prove it.
    Member of DAV #85.

    Michael A. Terrell
    Central Florida
  13. Bob Masta

    Bob Masta Guest

    Since this is just a test, and since you are using audio
    frequencies, why not just use a standard audio function
    generator? If you really need a stable audio frequency,
    you might want to check out my DaqGen freeware.
    It generates audio frequency waveforms with your
    Windows soundcard. Frequency stability is excellent
    since it derives from the crystal in the sound card.
    And unlike a homebrew circuit, you can get low-distortion
    sine waves, or just about any other waveshape you can
    imagine. Then if your experiments uncover anything
    worth following up, you can always build a dedicated
    circuit when you know just what the ideal parameters are.

    Best regards,

    Bob Masta

    D A Q A R T A
    Data AcQuisition And Real-Time Analysis
    Home of DaqGen, the FREEWARE signal generator
  14. Al

    Al Guest

    Hi Michael, this is completely off topic, but I have beeen trying to send
    an order to you over two your email working..I am the guy from
  15. In fact most analog PAL TVs will have a 8.86 MHz xtal.
    Makes it easier to get 90 degrees.
    As for the OP remark, makes no sense.
    If you want a one second tick, and for example have a FPGA on board,
    it is one line of verilog from a 50MHz xtal.
    Not much more lines of ASM in a PIC with a 20 MHz xtal.
    Depending on how much jitter is allowed you can make a nice synthesiser
    too in FPGA for many frequencies (higher the xtal too).
    And finally the color subcarrier... will likely not be needed much longer,
    its is all going digital, or at least Y Cr Cb, not composite.
  16. Tim Shoppa

    Tim Shoppa Guest

    Many useful frequencies from 20kHz on up are standard stock items at
    digikey. Less than a dollar for a standard value.

    Custom ordering one is possible, but will typically be $100+ or so and
    will have a turnaround time measured in a week or two.

    If you just want a square-wave oscillator there are many techniques
    (including user-programmable or distributor-programmable oscillator
    modules) that may do the job depending on your phase noise/jitter

    If you want a sine wave oscillator there are numerically programmed
    direct digital synthesizers for a few bucks that do well for many (but
    not all) applications.

  17. Guest

    then you dont need this xtal at all.

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