This filter has the components calculated for the frequency of 1 kHz but can be changed. The input resistor can be 100k and the source symmetrical. Any operational amplifier can be used.
The circuit we present is suggested by Linear Technologies (www.linear.com) and makes use of an...
This amplifier provides a power of 8 W with 12 V symmetrical power. The gain of 30 dB and the...
This circuit was found in the September 1996 issue of Electronics Now magazine. The sound provided has...