We found this circuit in an EDN from the 90s. The circuit is a voltage quadruplicator using operating equipment of the time. The output current is low.
This VCO works in the opposite way to the previous circuit, converting direct voltages into...
This amplifier for the 10 m (30 MHz) band has a gain of 12 to 15 dB having been found in an...
This is a very simple version in which we simply fit the jacks, plugs with red and green LEDs,...