Found in a 1964 Electronic Design this circuit makes use of components of the era. The output is 2 V peak to peak and the input is 2 V. The maximum frequency depends on the employed components.
Found in an article in the December 1974 issue of Radio Electronics magazine, this circuit is...
In the figure we have the way to obtain an adjustable constant current source of 2 mA. The...
Found in old documentation, this circuit uses an SCR like the TIC106 that must be equipped with a...