Posts Tagged ‘Bandpass Filter’



Filter the Scratch and Rumble Noise

Friday, October 3rd, 2008

If a friend gets into trouble about the noise. Try out this circuit before, may like. It is Filter the Scratch and Rumble Noise Circuit. That make a friend feels annoyed very the character of the circuit filters this frequency , use , Resistor , and , Capacitors , or , RC Filter that often [...]

60Hz Notch Filter by LM741

Tuesday, June 19th, 2007

60Hz Notch Filter by LM741 Related Links More circuit by IC LM741 More Circuit Bandpass Filter More Circuit Filter High Pass Active Filter by LM741 1KHz Bandpass Filter by IC LM324 Low Pass Active Filter by LM741

RC Notch Filter (Twin T)

Thursday, April 19th, 2007

The twin T notch filter can be used block an unwanted frequency or if placed around an op-amp as a bandpass filter. The notch frequency occurs where the capacitive reactance equals the resistance (Xc=R) and if the values are close, the attenuation can be very high and the notch frequency virtually eliminated. The insertion loss [...]