Hacked Gadgets Forum

December 8, 2010

World’s First Transistor Replica Explained

at 7:25 pm. Filed under DIY Hacks, Educational, Electronic Hacks

Many of us use transistors everyday but don’t take the time to think about how the magic works. Bill Hammack explains how a replica of the first transistor works.

“Bill uses a replica of the point contact transistor built by Walter Brattain and John Bardeen at Bell Labs. On December 23, 1947 they used this device to amplify the output of a microphone and thus started the microelectronics revolution that changed the world. “


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3 Responses to “World’s First Transistor Replica Explained”

  1. Pouncer Says:

    Good stuff. Can’t say that I’ve heard it explained quite so well before.

  2. bill beaty Says:

    He should try to get it working. In engineering classes we had little chunks of germanium in one of our labs. Electroplate, then solder contacts, then dip in liquid nitrogen and boiling water. Pressing one of them against a piece of slit copper foil should be lots easier than what we had to do.

  3. Miguel Says:

    that was great

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