Re: vector monitor drive board wanted- P327 WG preferably....

From: Noel Johnson <nej_at_airmail.net>
Date: Mon Nov 08 1999 - 08:41:53 EST

Aaron,

I have a P327 which needs capping that I could let go for $45 shipped.
I would like to go lower, but I have at least 3 empty Tempest cabs
waiting for monitors...

Email me directly if interested.

Noel

> Aaron Howald wrote:
>
> I need a P327 transistor driver board for a test I'd like to try-using
> 2 boards together in a push-pull configuration.
>
> Possible advantages are:
> max voltage across yoke2X; doubles "kick" to yoke-2X beam max speed
> current always draws evenly from both supplies
> power dissapation per transistor is halved(each output at 1/2 voltage)
> should be able to double power supply votage-for a total 4X more kick
> on yoke
> one board just used as a "slave" to first
>
> Disadvantages:
> EIGHT output transistors needed!
> boards need to be modded-the current sense circuit needs to be changed
> ???others???
>
> Anyway, if anyone has a spare P327 or 324?? laying around, let me
> know...
>
> Aaron Howald
> ahowald@w-link.net
Received on Mon Nov 8 07:44:31 1999

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