Found in American documentation from the 1980s, this circuit operates in the frequency range 0.5 to 20 MHz. The power can be between 5 and 15 V.
This circuit, found in an English publication in 1982, has an inverted sequential effect, as the...
With the values indicated for this circuit, the lamp will flash 60 times per minute (1 per...
This simple radio for listening to a headphone with two CK722 transistors was found in Radio...