This filter, with a cut-off frequency of approximately 1 kHz, has a high Q and employs two operational ones. The power supply must be symmetrical.
This generator is more complete than the previous one, being able to generate pulses as indicated...
With an optical coupler and a power transistor, which can be the BD135, it is possible to control...
The maximum current of this power supply is 2 A and the output voltage can be set between 6 and 24 V. The...