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 Crystal radio schematics ?????......
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 Return to top of page · Post #: 1 · Written at 7:30:48 PM on 4 December 2019.
Jgasdj's Gravatar
 Jgasdj
 Location: Lake Macquarie, NSW
 Member since 1 April 2014
 Member #: 1539
 Postcount: 27

Hi, has anyone got some nice links to or some documents of some nice crystal radio sets with germanium diodes and high impedance earphones.

Thankyou very much ......!.
 
 Return to top of page · Post #: 2 · Written at 12:10:46 AM on 5 December 2019.
Robbbert's avatar
 Robbbert
 Location: Hill Top, NSW
 Member since 18 September 2015
 Member #: 1801
 Postcount: 2078

Google will get you heaps of information.
 
 Return to top of page · Post #: 3 · Written at 12:33:11 PM on 5 December 2019.
Gandhn's Gravatar
 Gandhn
 Location: Cameron Park, NSW
 Member since 5 November 2010
 Member #: 770
 Postcount: 409

Here is an unusual push-pull crystal set.
If you want to proceed, I have the full coil data, layout and front panel diagram that I can send you.
Harold

Push-Pull Crystal Set
 
 Return to top of page · Post #: 4 · Written at 4:50:35 AM on 6 December 2019.
Brad's avatar
 Brad
 Administrator
 Location: Naremburn, NSW
 Member since 15 November 2005
 Member #: 1
 Postcount: 7395

Document uploaded to Post 3.


‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
A valve a day keeps the transistor away...

 
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