This circuit was obtained from Popular Electronics of the 1990s. The circuit uses common transistors today and the frequency is given by the crystal.
The selected circuit was found in the Texas Instruments optoelectronics manual. RC and C1...
The operating range of this circuit ranges from 0.5 to 2 MHz and its gain is 11dB. Transistors can be of...
This digital buffer was found in the November 1993 issue of Electronics Now. The power supply...