Simple electronic circuits
See Many simple electronic circuit that is very important on this sites. My friends used to say the large projects, from small several circuits to combinations.
Split stereo signal  circuit
This Split stereo signal circuit model to are simple at use in fining wideness of a signal stereo. Which be valuable very for an earphone stereo. or the system that the opening between a loudspeaker too much.
Simple non linear low pass filter
This is a simple simple non linearlow pass frequency filter circuit on passive model. We use passive components without transistors and any ICs. So is easy circuit. and It is 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. and a lower amplitude. The circuit will work best, when the signal level is importantly higher than the constant ripple level.And The circuit has specifically related to two peak-detecting sample-and-hold circuits in tandem with a voltage average. There are parts in …