This 1965 Philips circuit uses old company transistors like the BFY51 and BFY50. The circuit is powered by 12 V and the power gain is 8.9 dB.
This multi-function filter can be used as a shield controlled by TTL signals. At the high level it...
This 100 kHz crystal oscillator uses 7404 to generate square signals. We found it in a Popular...
This circuit supplies 5 V from two AA batteries. The output current is 4 mA, resulting in an 11 mA...