We found this circuit in a 1998 publication. The circuit has controls for both frequency and signal strength. A lamp is used to monitor the signals. The supply is made with a voltage of 12 V.
Obtaining a voltage that is proportional to a current drained by a load can be important in...
The filter shown in the figure, suggested by National Semiconductor, only allows frequencies above...
This circuit allows you to find two diodes with equal characteristics. The circuit was found in a...