Hi Jeff,

On Tue, 1 Aug 2000 10:50:25 -0700, "Jeffrey A. Madore"
<k...@uconect.net> wrote:

>My circuit produces a square wave output with no DC offset. The frequency is
>about 3 or 4Hz, and the voltage is adjustable to a maximum of 36 volts.

That's NOT a Zapper!!  That's a blood electrifier.  It's producing DC
that switches direction 3 or 4 times/second (I thought the original
electrifier switched every 3 seconds).  IOW, there's no "off" time --
no pulsing.

A Zapper requires unidirectional pulses at a frequency of at least 500
Hz in order to produce enough power in the 100-400 kHz range to kill
parasites.  When you use 36 volts with the higher frequencies you
should get RF burns, even when using larger electrodes and a
cloth/paper towel covering.

A real Zapper is much simpler than a blood electrifier.  It's simply a
555 timer circuit used as a monostable oscillator (pulse generator).  

>I just breadboarded it on a piece of PC board, screwed it to a small scrap
>board with standoffs, and secured the battery pack to the board with some
>electrical tape. With the homebrew look, all the wires, batteries, and
>blinking leds, it looks something like a bomb!

IMO, the blood electrifier is good for blood-borne diseases, but isn't
very effective for diseases that lodge in places where there's low
blood flow -- IOW, most diseases.  That's where the Zapper and
magnetic pulser come in handy.

-- Dean -- from (almost) Duh Moines  (CDP, KB0ZDF)


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