100 Hz Second Order High Pass Filter (CB25815E)

This filter with the 741 op amp was found in the February 1995 Electronics Now magazine. The power supply must be dual.

UHF amplifier (CB10063E)
This amplifier was found in a 70s documentation. The product gain x bandwidth is 350 MHz. The...
Trill Generator (CB21241E)
This circuit mimics the trill of a bird. We found it in an American documentation from the 90s. It is...
Pulsator (CB14824E)
With the values indicated for this circuit, the lamp will flash 60 times per minute (1 per...