MFB BANDPASS FILTER FOR MULTICHANNEL TONE DECODER
No description available.
Related Circuits
This rule allows the amp volume, balance and tone controls to take. The circuit operates a specially designed IC, LM 1036. The advantage is that few external components and to control monopotmeters can be used, which are cheaper. The...
The circuit is a two-pole active filter utilizing a TL081 operational amplifier. This type of circuit is applicable only for quality factors (Qs) less than 10. The component values for this filter are determined using specific equations. The two-pole active...
The UM3561 features programmed mask ROM designed to simulate siren sounds. This integrated circuit operates at a low power consumption level and is powered by a 3-volt supply. An NPN transistor is utilized for the amplification of the audio...
The circuit utilizing Optical Electronics 9803 operational amplifiers separates an audio frequency (AF) input signal into two outputs. The low-pass output allows frequencies from DC up to 10 Hz, while the high-pass output encompasses frequency content above 10 Hz,...
This circuit is based around the 555 timer circuit, used as an astable (free running) oscillator. The frequency (pitch) of the tone is set by the resistors and capacitors in the left side of the circuit. The first one...
This circuit is a two-section active high-pass filter using an LM387, with a cutoff frequency below 50 Hz at a slope of 12 dB per octave. It will help reduce rumble caused by turntable defects in record systems. The two-section...