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.
Tone controls for audio applications can also be considered filters that must attenuate certain...
The coils of this simple mid-wave radius are wound 28 or 26 on a 12 to 30 cm long ferrite rod and the...
This monostable circuit uses one of the two flip-flops available on the CMOS 4098 integrated...