This receiver is from a 1924 Gernsback publication. The receiver has good efficiency when powered by the indicated voltages. Listening is through a high-impedance phone.
This digital electronic game circuit was found in a 1982 publication. It randomly draws the...
This circuit can function as an output shield for microcontrollers, being compatible with TTL...
We found this circuit in the 1977 RCA Solid State ICs. The circuit consists of a current amplifier with...