This circuit was obtained from HAM Radio magazine in an 80's issue. The FETs are types of the time and the frequency is determined by the crystal. The circuit operates at voltages from 3 to 9 V.
This amplifier is from the 80s integrated circuit manual itself. Equivalent configurations can be adopted for...
November 2016 - Mouser Electronics is supplying the MAX30205 from Maxim, a human body temperature...
This well-crafted speed game setup for two competitors was found in a 1998 Poptronics. The circuit...