Surround circuit composed by the TDA3810
Figure 1-122 is a dedicated high-fidelity surround sound processing IC TDA3810 circuit consisting of surround sound. Stereo signal via the input coupling capaci...
Audio high-pass filter
Figure 1-102 high-pass filter in FIG. (A), and if we take C1 C2, R1 1/2, then the crossover, H 1/2 root of 2 R1C1. For Figure (b), if take C1 C2, R1 1/4R2, its ...
Attenuating a feedback tone control circuit
FIG is a decay feedback tone control circuit. In the tone control circuit both have anti-attenuation Fed action. So high, in the end it is to enhance or attenua...
FET used as a silencer tube headphone circuit
FET used as a silencer tube headphone circuit Field-effect transistor is shown as a headphone circuit silencer tube. L from the digital signal processing circui...
Video enhancement circuit diagram
Enhancement circuit as shown in the high-frequency component of the video signal can be increased, thereby enhancing the contrast of the TV image, it can also b...
Bookshelf 01 active speakers
Elements and internal function diagram shown in Figure 9-50, c, i, C2 is the feedback capacitance t change in capacity - low frequency change within a certain r...
Electronic devices yell LM386 PT-8830
Electronic circuit shown in Figure crying, which consists of voice recording, audio power amplifier and power supply circuit composed of three parts. Wherein IC...
Electronic type bass equalization circuit
Electronic bass equalizer type of two quad op amp circuit, you can use TL084 high-speed operational amplifier circuit shown in Figure 9-680 left and right chann...
Dynamic noise reduction with DC volume control
Dynamic noise reduction circuit and a DC volume, tone balance control circuit, which is applied to the input stage and the discharge line between the amplifier....
IC audio power amplifier circuit
Due to the rapid development of integrated circuit technology, an integrated circuit amplifier also come out in large numbers, its technology and performance in...
A simple three-way speaker crossover circuit diagram
Divider is the speaker of the brain, is crucial to the sound quality is good or bad. Music amplifier output signal must divider wave filter element processing, ...
Consumers have the power of the human voice function splice
D switch S location function. FIG microphone to a speaker on behalf of the (also designed a door using an electret microphone) port channels through C9 send peo...
Constituting simple LM3915 audio power meter circuit
Constituting simple LM3915 audio power meter circuit diagram Note: If the internal resistance of 4 speaker when, Rx take 10k If the internal resistance 8 speake...
An external audio level display circuit
Condenser microphone pickup signal broken by Iq. amplified and sent as a comparator HJ of lC.., - LC.., And lC: (e - b) each of the negative side, the positive ...
YSS247 application circuit
Compare similar products YSS247 has the following characteristics: less external components. The difference is that with SRS5250S, YSS247 just a potentiometer ...
TV audio circuit diagram TDA1521
Colour is often used as shown in audio circuit (TDA1521), the circuit is taken from Changhong C2191, the OTL two-channel connection. TDA1521 pin functions and ...
Multipurpose tape recorders TV signal generator circuit
Circuit shown in Figure, IC1, C1 composition 400HZ about low frequency oscillator; IC2, C3 composed around 37MHZ frequency oscillator; low-frequency signal fro...
RC relaxation type tone control circuit
Circuit shown in Figure 1-560 RPi is treble control potentiometer. Because C3, C4 is larger than cl, C2 capacity, so high-frequency signals, Pat, C4 can be reg...
Bass circuit diagram
Circuit principle: the input signal via IC1-1, and external components of the fourth-order low-pass filter to vary the slope of 24db/oct low-pass processing (f...
Stylus sand acoustic filter circuit diagrams
Circuit offers passband gain 1,10kHz corner frequency for eliminating high frequency noise such as hiss, ticking, popping sound. ...