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Here is a simple radio that is easy to build and inexpensive. In fact, you probobly have all the parts you need in your junk box. You'll be suprised at the great reception with this little set.
C1 | 1 | Tuning Capacitor | |
C2 | 1 | 0.1uf Disc Capacitor | |
R1 | 1 | 10 Meg 1/4 W Resistor | |
D1 | 1 | 1N34 Germanium Diode | |
U1 | 1 | 741 Or Similar Op Amp | |
L1 | 1 | "Loopstick" Antenna | |
MISC | 1 | IC Socket, Crystal Earphone, Wire, Antenna |
1. The antenna can be a piece of wire or a telescoping antenna. 18 inches is a good length for in the city.
2. The tuning capacitor is a regular broadcast band tuning capacitor. I got mine from a junked AM radio. I got the loopstick antenna from that same radio.
3. You can change L1 and C1 to recieve differe