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Description
Welcome to the Homebrew Transistor Radio Group.
This group discusses recreating 1, 2 and 3 transistor receivers. This includes parts acquisition, assembly techniques, audio and radio frequency amplifiers, frequency converters, measurement instruments and contests.
Naturally, we can not discuss transistor receivers without "spilling over" into antennas, grounds, ICs, other not strictly transistor subjects.
The Homebrew Transistor Radio Group welcomes all people interested in transistor receivers for self education or enjoyment.
Legal unlicensed transmitter discussion (such as Part-15 in the USA) has moved to
http://groups.yahoo.com/group/LUTT/
Electronic circuits using components from the germanium era can be found at
http://tech.groups.yahoo.com/group/2N1150_Down/
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next project ideas ?suggestions
wifes friend sent me a link to this and wanted to know if it was real http://en.wikipedia.org/wiki/Radio_Hat son saw it and said neat dad lets make one with
Posted - Sat May 19, 2012 2:48 am
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Jeff jeff
awoodcarver
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Audio amplifier
Hi all, here is audioamplifier with high impedance input and low impedace output for earphones 8...150R:
Posted - Fri May 18, 2012 8:08 am
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krysatec
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Polyakov moxers
Hi, I think a Polyakov mixer would work fine to receive AM, when the mixer is followed by a conventional IF with an AM detector. While the Polyakov mixer is
Posted - Wed May 16, 2012 6:23 am
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colin@...
colinbeeforth
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Posted - Wed May 16, 2012 6:23 am
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James Patchell
jimpatchell
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Re: Tuned Radio Frequency Receiver
Hello Jara, many thanks for your your comments and improved circuit. I'll give it a try. As I realized myself, choosing a transistor with lower amplification
Posted - Wed May 16, 2012 6:23 am
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slowfly55
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