Dan A. Davidson
At 01:08 AM 1/30/98 +1300, you wrote:
>I need a *switching device sometimes called a "chopper" that has low
>resistance that can take more that 1 amp (I really need about 10 amps)
>and an adjustable frequency, I would like a range of at least 50>100hz
>but I am flexible and I really need an adjustable pulse width or one
>that is open about half the time.
>
>This is a very important part of a promising experiment I am trying, If
>you know of a place that makes such a switching device or of a model
>number ot anything please respond, I need a current that seems far to
>high for a 555 circuit or anything that I know like it and so I am
>expecting a rotating switch is what I will find.
>
>If you have any ideas of how I could make one, know were I should look
>or what I should by please respond.
>
>* A component of a circuit that will make and break the circuit so that
>a pulsed DC will result from a constant voltage source.
>
>
>Thank you in advance, John Berry
>
>
>
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