This circuit amplifies signals from 0.5 Hz to 300 kHz. We found it in an old documentation. Equivalent transistors may be used. The gain is 20 dB.
Found in an Elektor from the 90s, this circuit must be powered by an isolated power source and also...
April 2017 - The ADXL35x line of Analog Devices accelerometers can now be obtained from Mouser...
The circuit shown, found in a 2004 documentation, allows the use of a telephone, without the...