1.5V to 5V boost converter circuit for microcomputer
Small appliances have microcomputer that requires 5V power supply. Why it can use only 1.5V battery? The 1.5V to 5V boost converter circuit inside them. Read more
12V 5V Dual Power Supply Circuit Diagram 3A max
This is 5v 12v dual power supply circuit using 2N3055 and Zener diode for 12V then to LM309 or IC-7805 dc regulator IC for 5V output which easy circuit […] Read more
HiFi Headphone amplifier circuit using TL072 low noise
We will use Class A headphone amplifier circuit that is very good quality sound. Consists low noise Op Amp ICs and 2 transistor as main so have very cheap […] Read more
Make High impedance preamplifier using a transistor
Want a high impedance preamplifier circuit? For a ceramic record player, etc. Make the emitter follower circuit has low noise causes sound concise. Read more
CMOS circuit 4000 Series and how to use
For maximum efficiency, reducing various problems well. Let’s know the characteristics of CMOS and how to use it. Read more