This circuit operates at a voltage of 1.3 V from a single mercury cell. We found in an old documentation and for the components used the frequency is 500 kHz.
Figure 1 shows a hal-wave voltage doubler operating with the Power-supply voltage. Output current...
The circuit shown is from the National Semiconductor Linear Applications Handbook of 1994. using...
The operational amplifier used in this circuit is not common today. The frequency is given by the...