This simple circuit for the 3 to 30 MHz range was found in the Electronics Experimenter Handbook Special Projects of 1983. The coils consist of 10 and 50 turns of 32 wire on a 1 M x ½ W resistor.
This transistor circuit with complementary output appeared in Radio Electronics magazine in April...
This simple source with zener regulation is ideal for experimental projects with operational...
This 12 dB per octave filter was found in a 1977 digital audio publication. The circuit requires a...