Position: Index > Audio Circuit >
  • Hi-Fi USB Audio DAC

    2016-01-04 05:12:2787

    Hi-Fi USB Audio DAC Regulator:This board supplies DAC board with /- 15V for analog section. MUR860 in rectifier bridge, LM317 and Lm337 as regulator IC...

  • Low-distortion Audio-range Oscillator

    2016-01-04 04:23:3484

    Generates very low-distortion sine waves up to 1V RMS No thermistors required - No settling time Circuit diagram Parts: P1 10K Log. Potentiometer (Dual...

  • Audio Compressor (2N3819)

    2016-01-04 04:07:40194

    This article describes the Audio Compressor (2N3819). The content is very simple, very helpful. Components in this article can help you understand bett...

  • Audio-millivoltmeter

    2016-01-04 03:39:11101

    This circuit has a flat response from 8Hz to 50 kHz at -3 db on tbe 10-mV range. The upper limit remains the same on tbe less sensitive ranges, but the...

  • 4 Channel Stereo Audio Selector

    2016-01-04 02:44:2484

    4 Channel Stereo Audio Selector The add-on circuit presented here is useful for stereo systems. This circuit has provision for connecting stereo output...

  • LM3900 Audio Mixer Circuit Diagram

    2016-01-04 02:37:32108

    This audio mixer circuit doesnt use a low impedance input to mix no ideal sources, but use many amplifiers to provide ideal sources before mixed throug...

  • Audio Fader

    2016-01-03 23:48:1189

    In this circuit, Ql is a simple amplifier that has its gain controlled by a variable emitter resistance supplied by FET Q2. In the up position of SI, C...

  • 3 Transistor Audio Amp electronic circuit diagram

    2016-01-03 22:11:5075

    Here is a little audio amplifier similar to what you might find in a small transistor radio. The input stage is biased so that the supply voltage is di...

  • Stereo Audio Music Players (TDA2020)

    2016-01-03 22:09:11112

    This article describes the Stereo Audio Music Players (TDA2020). The content is very simple, very helpful. Components in this article can help you unde...

  • 60-dB Range Compressor For Audio

    2016-01-03 20:41:0892

    A compressor circuit shown in the schematic diagram below can produce consistent output of 1.4V P-P over entire 60dB range that is very useful for audi...

  • Precise audio clipper

    2016-01-03 20:03:0173

    A differential amplifier makes an excellent audio clipper and can provide precise, symmetrical clipping. The circuit shown commences clipping at an inp...

  • Audio Auto Shutoff

    2016-01-03 18:34:0668

    I have had many requests to design or provide circuits for graduation projects. Yes, I had to build a graduation project too before receiving my degree...

  • Low-distortion Audio-range Oscillator(NE5532)

    2016-01-03 15:30:3196

    This article describes the Low-distortion Audio-range Oscillator (NE5532). The principle is very simple, very practical. The circuit components can hel...

  • Audio graphic equalizer circuit diagram showing

    2016-01-03 14:42:0678

    This article describes an audio graphic equalizer circuit diagram display. The principle is simple and effective. Schematics can combine text look bett...

  • Basic Audio Mixer Using Op-Amp

    2016-01-03 13:27:34100

    Audio mixer is used to mix several audio signal from many channel into one channel, in analog form. The basic requirement of an audio mixer is that the...

  • Audio operated relay

    2016-01-03 10:26:34187

    Ql and Q2 are general purpose transistors. The 10 K input pot is adjusted to a point just short of where Ql turns on as indicated by K pulling in. K is...

  • Audio Amplitude Compressor

    2016-01-03 08:15:3685

    View Full Size Image View Original Datasheet A True RMS converter (LTC1967) monitors the output signal amplitude and provides a proportional dc feedbac...

  • Phase-Shift Meter for Audio Frequency Signal (2N2907)

    2016-01-03 05:05:5073

    This article describes the Phase-Shift Meter for Audio Frequency Signal (2N2907). The principle is very simple, very practical. The circuit components ...

  • One transistor audio mixer (2N3563)

    2016-01-03 02:49:37152

    This circuit mixer has an internal amplification with 2N3563 transistor. The two input signals can be independently controlled by VRI and VR2. The VR3 ...

  • Speaker Box Audio Amp

    2016-01-03 01:49:2395

    Design Philosophy I did this design after getting a new computer. After buying the processor, monitor, and printer, I wasn't willing to spring for a se...

  • 44 Audio Dist. Ampl. Circuit

    2016-01-03 01:06:5880

    44 Audio Dist. Ampl. Circuit [more] : Related posts: AUDIO AMP 3KHz FILTER1 in/4 out Audio Distribution Amplifier3KHz LOW PASS FILTER PLUS AUDIO AMPAud...

  • Audio Peak Level Meter Using CA3140

    2016-01-03 00:18:38132

    This is a circuit diagram of a simple circuit to show the peak audio response on an analogue meter, similar to the tape recorder meters. Circuit using ...

  • TEA6320 Multichannel Audio Selector and Volume Control

    2016-01-02 23:25:00106

    High-end audio equipments are normally digitally controlled by a a microprocessor (microcontroller) system. It’s necessary to have? digital interface...

  • How to build Speaker Box Audio Amp

    2016-01-02 22:17:0074

    Design Philosophy I did this design after getting a new computer. After buying the processor, monitor, and printer, I wasn't willing to spring for a se...

  • Audio oscillator circuit

    2016-01-02 20:11:20102

    ICL 8038 waveform generator. ICL8038 is a monolithic waveform generator IC that can produce sine, square and triangular waveforms with very little dist...

  • Video/Audio Switcher Circuit

    2016-01-02 18:58:4870

    This channel selector selects video and stereo audio from any one of three different sources. The circuit should be constructed on a PC board with plen...

  • Audio Clipping Indicator(TL062 )

    2016-01-02 18:40:43119

    This article briefly describes the Audio Clipping Indicator (TL062). This principle is easy to understand, but also very practical. Depth understanding...

  • Audio tape recorder for Recording Phone Calls

    2016-01-02 18:25:3473

    An audio tape recorder, tape deck, reel-to-reel tape deck, cassette deck or tape machine is an audio storage device that records and plays back sounds,...

  • Mono audio panoramic interference (pan pot)

    2016-01-02 18:07:4598

    The circuit spectator interference enables implantation mono sound at any point between stereo speakers. When P1 is in the middle of his journey, there...

  • Audio VU Meter

    2016-01-02 17:03:0683

    Description: This circuit uses two quad op-amps to form an eight LED audio level meter. The op-amp used in this particular circuit is the LM324. It is ...

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