Found in old documentation, this source uses an integrated circuit from that time, which is uncommon nowadays. The power source has a ripple below 1 mV.
This circuit can be powered by a solar cell. The circuit is from a 1991 documentation having a...
This low power amplifier was found in a Japanese publication from the 1960s, using transistors from that...
This is the traditional configuration of an inverter amplifier with operational. The operational...