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Old 13th Jul 2021, 9:54 am   #9
Station X
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Default Re: HT for a car radio

Quote:
Originally Posted by MotorBikeLes View Post
In the late '60's, I had a car radio with vibrator pack. My vibrator was duff, so i borrowed a circuit from some US book from the library. Basically, a couple of OC28 with a couple of 300R emitter resistors and it ran as intended with the vibrator. I found the right resistor values by feeling the OC28 surface temperatures.Obviously, avoid TOO HOT.
I have the circuit somewhere, but you should find it somewhere in a late '60s electronics comic.
Les.
Probably similar to the one pictured in post #1 of this thread:-

https://www.vintage-radio.net/forum/...ad.php?t=41944

It wouldn't work in my application. I still have it somewhere if anyone wants it, but it has no base.
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