Found in a 1969’s EDN, this circuit provides 4.5 V with a 100mA current for digital logic. The circuit uses transistors from the era.
This project was found in a 1982 documentation. Super-regenerative receivers can combine great...
We found this circuit in a 1977 technical documentation. The circuit can use a TIP31 for Q1 and a...
This high frequency modulator was found in Motorola's 1990 Linear Databook. The current depends on the...