This unijunction transistor circuit is a frequency divider synchronized to 100 kHz. The circuit was found in a Radio Electronics from July 1968. The adjustment of R4 is important.
This circuit was found in an Elektor from the 90s. Next to the circuit we have a table with the...
The amplitude of the output signal of this amplifier is proportional to the hub of the input...
This circuit detects power cables energized by the field they produce. The captured signals can be...