This 1969 Mullar circuit appears elsewhere on this site. The circuit uses germanium diodes and the indicator is microammeter with zero in the center of the scale.
This circuit was found in the Analog Devices component manual, providing a negative voltage of 2.5 V...
The purpose of this circuit is to produce a 50 uV harmonic at 1296 MHz from a 0.15 to 1 V input of...
This circuit uses matched transistors. The circuit is from Electronics Now magazine and has a...