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How to make, where to buy or retune, fine-tune 5-10-15-20 kHz band tuning forks (quartz or ceramic)

Discussion in 'Electronic Components' started by la-la, Nov 18, 2006.

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  1. la-la

    la-la Guest

    Thanks for response to my previous request.
    Followed each reply and still don't know how to make kHz tuning fork
    (as an electronic component).
    Queried Wikipedia for tuning fork.

    by Meat Plow http://www.qth.com/inrad/ - crystals in MHz frequency band
    avaliable only.

    by Rich Grise http://www.fairchildsemi.com/ds/CD/CD4060BC.pdf - binary
    counters

    by Don Lancaster - Our lowest frequencies are 28.8 kHz, 108 kHz, 153.6
    kHz, 250 kHz, 256
    kHz, 307.2 kHz, 326.4 kHz plus hundreds of higher frequencies.

    by whit.... For wristwatches, a tuning-fork is used, and one can
    micromachine it .....
    from quartz and laser-trim its weighted tines for frequency and couple
    to it using
    the quartz material's piezoelectric properties.
    The typical resonators used for 5 kHz are tuning forks and guitar
    strings, or they aren't mechanical at all...

    by Don Lancaster - http://www.statek.com/
    http://www.statek.com/products/10110/index.htm
    LXO OSCILLATOR
    10 kHz to 2.1 MHz
    Low Power Crystal Oscillator
    but picture comes from 2.0 MHzCrystal Oscillator
    http://www.statek.com/products/pdf/10110.pdf
    clock oscillator only
    The characteristics of the 32.768 kHz
    model are presented in this data sheet.
    Are data sheets for lower frequencies also avaliable ?

    by Bob Masta - www.daqarta.com
    Home of DaqGen, the FREEWARE signal generator

    by Tim Shoppa- Digikey http://dkc1.digikey.com/us/en/pdf/Current.html
    Catalog
    Section D - Crystals and Oscillators
    unfortunately, frequency range is MHz notr kHz
    Quartz Crystals - ECS-31 Series is for kHz range p- lowest frequency is
    32.000
    32.768kHz Tuning Fork Crystals
    lowest frequency offered non-programmable oscillator is for 20.000 kHz.

    So is there no chance to make, order a non-programmable oscillator for
    kHz band
    5 kHz, 10 kHz or the like to test wireless energy transfer by Tesla ?

    Mayby a small, home arranged lab could micromachine or laser-trim a
    tuning fork to meet my needs or should I give up the idea of ordering
    samples of tunning forks with frequenciec in kHz band of my interest.
     
  2. Phil Allison

    Phil Allison Guest

    "la-la"

    ** ?????????????????????


    "la-la" = ga ga .........





    ........ Phil
     
  3. PeteS

    PeteS Guest

    It seems you need a clock source at 5kHz / 10kHz / whatever. Just get an
    oscillator (or make your own with a crystal / tuning fork device /
    resonator) and divide it down.

    I don't see anything difficult about that.

    Cheers

    PeteS
     
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