[Milsurplus] Vibrator Replacement Challenge

[Kenneth G. Gordon]

On 6 Apr 2017 at 16:05, B. Smith wrote:

>         I propose that those that have experimented with various 
> vibrator circuits  actually construct and "test" their circuit in an 
> actual  piece of military equipment .  The AN/GRR-5 filament vibrator  
> would be an ideal subject. Then after testing publish this information 
> either on the web or in a publication such as "Electric Radio".

Sounds like an excellent plan to me.

>       This vibrator replacement would either be housed in the original 
> can or be small enough to mount in the space that the original vibrator 
> housing  occupied and must be operating at the correct frequency. The 
> circuit would utilize the original vibrator socket and contain its own 
> heat sink.  And hopefully this replacement would be as quiet across the 
> spectrum as the original vibrator.  :-)
> 
>       Its one thing to theorize and play with vibrator replacement 
> circuits on the bench but in the end actual testing in a power supply 
> mounted in a piece of equipment is necessary. But most important - 
> document and  please share the information with others.
> 
>       I realize that there are several vendors that advertise 
> replacement vibrators for automobile radios etc., but this challenge is 
> for older vintage military equipment.

Actually, some milradio outfit in the UK already markets exact plug-in replacement 
solid-state "vibrators" for the DY-88, WS-19, etc, and other such.

I'll try to find the link unless someone else here has that.

Ken W7EKB

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