[Amps] Freescale

[Manfred Mornhinweg]

Alek,

> With valves, you can have them rebuilt. Ain't seen anybody that can get 
> the smoke back into transistors.

Then we definitely have to meet some day!

When I was young, had better eyes, and was as poor as a church mouse, I 
begged for burned out RF transistors and repaired some of them. Very 
often only the bonding wires melt, and the transistor itself is still 
good! It's a matter of cracking open the case, and reattaching those 
wires. Often sufficient wire length is left that it's possible to solder 
bridges over them! When the bonding wires are gold, as is the case with 
many RF transistors, it's really easy to solder them.

But some transistors have such long bonding wires, that they can be
twisted back together!

I wouldn't use such a repaired transistor on a space mission to Mars, 
but for hamming it can be quite OK!

Manfred

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