Circuit Project Electronic

This is an improved IR remote control extender circuit. It has high noise immunity, is resistant to ambient and reflected light and has an increased range from remote control to the extender circuit of about 7 meters. It should work with any domestic apparatus that use 36-38kHz for the IR carrier frequency. Please note that [...]

This is easy pulse oscillator by IC 4049 digital logic,It is low frequency about 1khz.
Click to View circuit IC 4049 Phase Shift Oscillator
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circuit IC 4049 Linear 10X Amplifier
The integrated digital circuit pretends the circuit can’t enlarge a signal… We come to see integrated circuit digital lead not gate the ordinary 4049 numbers come to build are the circuit s can enlarge low signal x10 amplifier. Just add 2 resisters down go to assemble [...]