AM Radio 27

539

05:04:37

AM Radio from the '80.
NPN transistors - BC 107
PNP transistors - BD 138
Diodes - with germanium
Voltmeter = Speaker
AC source = L2 (10 turns of CuEm wire 0,2mm)
L1 (60 turns CuEm wire 0,2mm) in parallel with 250 pF Variable Capacitor
L1 & L2 on ferrite rod 10 mm diameter 10 cm long

published 4 years ago

spark379

4 years ago

Thank you nice project to try 👍

Ihrinwe

4 years ago

Enjoy! I've build it and it works on AM frequency.

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