[Milsurplus] Vibrator Replacement

[Kenneth G. Gordon]

On 5 Apr 2017 at 11:48, Paul Kraemer wrote:

> Ray BTDT, made a four FET synchronous vibrator replacement for the old
> Heathkit vhf am transceivers. Used a 555 oscillator driving a divide by
> two chip to ensure perfect square wave drive. Worked so fantastic I
> experimented with other circuits and came up with a two FET
> "autotransformer" to convert 12v source to 24v.  Awesome simplicity
> and no ripple. As you mention FETS are the choice for power switching
> due to the very low on resistance Paul K0UYA 

Could you post a schematic of your circuit?

Ken W7EKB

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