This circuit was obtained from an American 80's documentation. The balanced mixer can be shown in CB4234. The circuit is for controlling RF signals in a modulation system.
This circuit was found in Linear Technology documentation from the 90s. The circuit uses the...
This active crossover filter was obtained from the component manual used. Below is the performance...
At dusk this circuit triggers a relay switching lamps. The circuit can be powered from 6 to 12 V...