NE5532 Pinout Datasheet Dual low noise op-amp
NE5532 is in Hi-Fi audio system a lot. Why? Read this datasheet, Get pinout, spec, how to use. For example preamplifier with tone control. Read more
op-amp
15 Filter circuits using electronic coil
I love to collect a lot of circuits. A filter circuit is important in Electronics. I will show you many ideas of noise hum, high-low frequency, and more. Some will smile it so easily and without a power supply. These are small circuits, so easy to apply, and try into your works. There are seven … Read more
Simple long duration timer circuit
The Simple long duration timer circuit using OP-AMP, If build the RC timer only that long time delay we need too many resistors and capacitors may be error […] Read more
The Op-amp IC tester circuit
This is an simple op-amp IC tester circuit that cheap and easy to build. for test many op-amp ICs fast check. for LM741, LM324, LM339, LM358, LM311 and more […] Read more
Wien Bridge Oscillator circuits using Op-amp and FET
This is sine wave bridge oscillator circuit more: Read more