This 5.1 MHz circuit was found in a 1980s documentation. The frequency is given by the crystal and general purpose transistors can be used.
November 2016 - New mCube MC3635 3-axis accelerometers with I2C and SPI interfaces in 1 to 16 g...
This circuit allows you to modify the resolution of a measurement bridge. It was found in the...
This circuit converts sinusoidal signals to square. The upper limit of frequency is abour 100 kHz...