This old fashioned transistor amplifier was found in a publication of the year 1958. Transformer are the critical components in the circuit and power comes from 6 D cells.
Found in an Elektor from the 90s, this circuit is used with analog TV signals. The components are...
The circuit is from the 1994 National Semiconductor Linear Applications Handbook but can be...
The purpose of this PLL circuit that we found in the November 1986 Radio Electronics magazine is...