This filter is from the Linear Applications Handbook of the National Semiconductor of 1994. However, it can be used with other operational and modified to operate with other frequencies.
The Texas Instruments TPA3100D2 integrated circuit (www.ti.com) consists of an efficient class D...
This circuit was found in an American documentation on transistors from the 60's. The transistor is made...
Found in a Radio Electronics from the 90s, this circuit generates a 1 kHz signal to serve as a...