Found in Radio Electronics from the 90s, this circuit is intended for analog TV applications of the time. The transistor used as well as the module are uncommon components today.
This circuit for RF measurements at 200 MHz was found in no documentation two years 80. At a...
This conventional application of the 555 as monostable was found in a technical documentation from...
Found in a Popular Electronics from the 90s, this circuit generates signals from 2 Hz to 30 kHz in...