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simple nonlinear low pass filter

January 22nd, 2012

This simple circuit is nonlinear passive on low pass frequency filter. It ‘s small size and easy to made for do not used the external power supply, but refuse a lot of noise ripples and need to a input voltage is stable. The circuit works best, when the signal level is importantly higher than the [...]


Light meter by LM334

January 16th, 2012

The light meter is a tool, measure the quantity of light, widely used to a photography, To decide the correctness of the exposure. Sometimes, we are use with other works, such as my son likes to use in science experiments, which do not need to have high quality. This simple light meter in figure 1 [...]


IRF540 MOSFET N-CH 100V 33A TO-220AB

December 25th, 2011

Specifically designed for Automotive applications, this HEXFET® Power MOSFET utilizes the latest processing techniques to achieve extremely low on-resistance per silicon area. • VDSS = 100V • RDS(on) = 26.5mOhm • ID = 36A. Read more