This high voltage oscillator with a neon lamp was found in a 1969 documentation. The circuit is synchronized by pulses of 1 kHz. The power voltage is 160 V.
This circuit uses a PLL4046 oscillator to excite a piezoelectric ceramic. The circuit is from an...
This circuit already explored in several diagrams in this section was found in a 90’s Popular...
This logic probe or logic level indicator is suitable for use in CMOS circuits. The power comes...