We found this transistor circuit in a 1967 General Electric documentation. The circuit makes use of components that can still be easily found on the market, and the SCR may be a 106 type.
This oscillator, which can be used as a signal injector, was found in a Popular Electronics from the 90s....
This high-gain digital amplifier uses general-purpose transistors. The supply voltage is logic...
With this circuit of a Popular Electronics from the 90's it is possible to test a diode with the...