We found this circuit in a Radio Electronics magazine from December 1969. The circuit uses a low-power MOSFET that is not very common today.
Found in American documentation from the 1970s, this circuit is intended for amplifying analog TV...
This circuit uses only passive components and the instrument can be a microammeter or the lowest...
This oscillator generates quadrature signals, that is, with a 90-degree lag. The frequency is...