LM8560 Digital clock circuit diagram with alarm
The digital clock circuit that electronic amateurs are most interested. And The clock ICs that most popular are LM8361, MM5387, […] Read more
1.5V FM transmitter circuit, 88-108MHz using transistors
These are four 1.5V FM transmitter circuit (low volt) which use transistor and a few parts, without PCB but easy to build for output 88-108MHz or 90-100MHz, more circuits below […] Read more
500W power inverter circuit using SG3526-IRFP540
This is 500W power inverter circuit that modify from 200W inverter. It use SG3526 and mosfet IRFP540 so high efficiency than transistors,full protection Read more
Active Bass Booster circuit using IC-741
This is a general-purpose bass booster circuit. Why should you use this? You are listening to your favorite song. But it lacks many flavors. Friends said No Bass! Buy a new one amplifier right now. Stop… It is true. Your amplifier may less bass. But before buying a new amplifier. Try this, it probably better. Read more
Voltage to Frequency Converter Circuit
See idea: Voltage to frequency converter circuit use CA3130 OP-Amp, that linearity Of changing up to 0.5% and Temperature coefficient. Read more