Welcome to Australia's only Vintage Radio and Television discussion forums. You are not logged in. Please log in below, apply for an account or retrieve your password.
Australian Vintage Radio Forums
  Home  ·  About Us  ·  Discussion Forums  ·  Glossary  ·  Outside Links  ·  Policies  ·  Services Directory  ·  Safety Warnings  ·  Tutorials

Vintage Amateur Radio

Forum home - Go back to Vintage Amateur Radio

 Crystal radio schematics ?????......
« Back · 1 · Next »
 Return to top of page · Post #: 1 · Written at 7:30:48 PM on 4 December 2019.
Jgasdj's Gravatar
 Location: Lake Macquarie, NSW
 Member since 1 April 2014
 Member #: 1539
 Postcount: 24

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
 Location: Sydney, NSW
 Member since 18 September 2015
 Member #: 1801
 Postcount: 1158

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
 Location: Windella, NSW
 Member since 5 November 2010
 Member #: 770
 Postcount: 327

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
 Administrator
 Location: Greenwich, NSW
 Member since 15 November 2005
 Member #: 1
 Postcount: 5754

Document uploaded to Post 3.


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

 
« Back · 1 · Next »
 You need to be a member to post comments on this forum.

Sign In

Username:
Password:
 Keep me logged in.
Do not tick box on a computer with public access.