UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Interesting Armstrong AM detector circuit.

kalee20 · 5th Dec 2017, 12:32 pm

And you could use silicon PN diodes, such as the fast but cheap-as-chips 1N4148, secure in the knowledge that the forward voltage drop is immaterial. No need for more expensive Schottky or Germanium point-contact!

5th Dec 2017, 12:32 pm	#39
kalee20 Dekatron Join Date: Feb 2007 Location: Lynton, N. Devon, UK. Posts: 7,081	Re: Interesting Armstrong AM detector circuit. And you could use silicon PN diodes, such as the fast but cheap-as-chips 1N4148, secure in the knowledge that the forward voltage drop is immaterial. No need for more expensive Schottky or Germanium point-contact!