This filter is from the Linear Applications Handbook of the National Semiconductor of 1994. However, it can be used with other operational and modified to operate with other frequencies.
This is the power source suggested in the old European publication for the CB19635E watch. The...
The circuit of this power supply was obtained in an American publication of 1982. We changed some...
This sixty Japanese commercial radio used 6 transistors in a superheterodyne configuration for...