This circuit has a gain of 6 dB for low frequencies from 85 Hz and can be used in a mini subwoofer. The circuit is from a Radio Electronics from March 1990.
This circuit was obtained from a 2005 Linear Technology manual. The circuit is self-powered and can...
This driver for coaxial cables was found in American documentation from the 1980s. The maximum...
This CW transmitter for the 3,5 MHz band, low power, was published in a march 1961 Radio...