We found this antenna amplifier or Booster circuit in an Electronics Now from the 90s. The circuit can be implemented with equivalent transistors like the BF494.
This flasher was found in an 80's Electronic Engineering but can be easily implemented with modern...
This simple reducer can supply devices that require currents up to 1 A. The power transistor must be...
This interesting circuit converts BCD signals into a voltage that can be used in an analog...