Q-Multiplier Circuit - A Simple Circuit to Improve AM Radio Reception Works w/ AA5 or Transistor...
Автор: RestoreOldRadios
Загружено: 2021-06-03
Просмотров: 10621
A simple Q-Multiplier Circuit designed by Raymond Haigh. The schematic and other cool projects by this author:
https://www.yumpu.com/en/document/rea...
The Ferrite Rod (Amidon) is a Type 61 material 0.5"D x 7.5"L. It's wound w/ Litz Wire 180/46-44 Special Blend (Inductance ~220 uH) from: https://www.mikeselectronicparts.com/...
The Variable Capacitor is also from Mike's Electronic Parts at: https://www.mikeselectronicparts.com/...
The two sections are tied together to get ~15 to 532pF.
The LC Circuit easily covers the (BC) AM Band.
I used a 100k potentiometer in lieu of a 10k and a 2N5457 JFET in my design w/ good results.
The one-sided PCB is 5cm x 7cm.
Q-Multiplier Circuit - Supercharge Your AM Transistor Radio Reception Daytime 60+ Miles
• Q-Multiplier Circuit - Supercharge Your AM...
Schematic & BOM:
https://drive.google.com/drive/folder...
Thanks for watching and subscribing to my channel on vintage radio repair and other related circuits.
#RestoreOldRadios
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