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Old 7th June 2012, 09:27 PM   #21
49 - for the 18th time
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Originally Posted by nigelwright7557 View Post
I got my first taste of electronics when attempting to fix an old black and white TV.
Yeah - we actually had a tube tester at the local grocery store!!!! You could go in and test your tubes and buy new ones right on the spot!!!

Then there was that antenna up on the roof - that was always an adventure.
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Old 7th June 2012, 09:34 PM   #22
popilin is offline popilin  Argentina
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The Phillips engineer kit,

Was this the one with a perforated chassis and you pushed the spring retainer through the holes with a spring on the other side.. you depressed the spring to put the component legs in?

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I had to build on a piece of wood, with bridges and wires, and praying that does not spill germanium from transistors...
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Old 7th June 2012, 09:35 PM   #23
DF96 is offline DF96  England
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Yes, perforated board with spring clips pushed through to define circuit nodes. I may still have some of the parts somewhere - I hate throwing stuff away!

The advantage of this method is that you get to use real components, rather than the little boxes of some other kits (Radionics?).
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Old 7th June 2012, 09:38 PM   #24
49 - for the 18th time
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Originally Posted by popilin View Post
I had to build on a piece of wood, with bridges and wires, and praying that does not spill germanium from transistors...
germanium xsistors could get blown if you handled them wrong - similar to blowing the old FET's with just the static from moving your body around and have a charge on it.

I loved it when the silicon xsistors came around!!!!
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Old 7th June 2012, 09:50 PM   #25
M Gregg is offline M Gregg  United Kingdom
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Originally Posted by DF96 View Post
Yes, perforated board with spring clips pushed through to define circuit nodes. I may still have some of the parts somewhere - I hate throwing stuff away!

The advantage of this method is that you get to use real components, rather than the little boxes of some other kits (Radionics?).
Interesting Link:

Electronic Engineer EE-20 Kit Philips; Eindhoven tubes inter


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M. Gregg
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Old 7th June 2012, 09:51 PM   #26
popilin is offline popilin  Argentina
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I loved it when the silicon xsistors came around!!!!
Me too, but BC148 had the pins so short...
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Old 7th June 2012, 09:55 PM   #27
M Gregg is offline M Gregg  United Kingdom
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Originally Posted by c2cthomas View Post
germanium xsistors could get blown if you handled them wrong - similar to blowing the old FET's with just the static from moving your body around and have a charge on it.

I loved it when the silicon xsistors came around!!!!
I remember the AF117 <<think it was..went open circuit... if you tapped it with a screwdriver it would work again for a few seconds. It had a screen which made it difficult to substitute...we did have a silicon replacment but I can't remember what it was..

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Old 7th June 2012, 10:45 PM   #28
SY is offline SY  United States
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That was the exact one I had! I apparently remembered the transistor numbers correctly, a miracle.
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Old 7th June 2012, 10:57 PM   #29
DF96 is offline DF96  England
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I don't remember Ge transistors suffering from static. Temperature was a killer, so a heatshunt when soldering was useful. Later on some developed tin whiskers.
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Old 7th June 2012, 11:09 PM   #30
popilin is offline popilin  Argentina
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I don't remember Ge transistors suffering from static. Temperature was a killer, so a heatshunt when soldering was useful. Later on some developed tin whiskers.
I agree, push a pin with pliers, and with a 100W soldering iron, was not the simplest task.
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