This circuit was found in a British documentation from 1969. It can be implemented with modern transistors. The pass band is 6 MHz.
We found this circuit in a 1967 IEEE documentation. The circuit uses discrete components of the...
The astable multivibrator shown by figura 1 has a very low current drain and can be powered from 6...
This circuit was obtained from Everyday Electronics magazine of August 1974. The circuit is still...