The purpose of this circuit is only to increase the input resistance of a multimeter, since there is no voltage gain. The batteries are 9 V and operational equivalents can be used.
The CA3020 integrated circuit was one of the first commercial types, sold in the 1960s. The...
This circuit generates a linear sawtooth signal with frequency that depends on the capacitor next...
This circuit has a maximum frequency of 10 kHz and a linearity better than 0.01%. The circuit is...