We found this configuration in a 1974 publication. Transistors can be replaced with equivalents such as 2N2222. The circuit has a dynamic range of 60 dB.
Found in a Popular Electronics from the 90s, this circuit generates a signal that depends on the...
This converter converts signals from the 50 MHz band to the AM band, making it possible to receive...
Found in American documentation, this circuit aims to produce pulses of certain durations from smaller...