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  • Pre-amplifier circuit with a high input resistance

    2015-01-06 00:16:48118

    The circuits shown in Figures a and b have a high input resistance and low output resistance, and they can be used as a broadband amplifier for oscillo...

  • 5W / 8 Ohms Bridge Amplifier based on Two LM380s

    2015-01-06 00:16:06209

    The Audio amplifier described here uses two small amplifiers like LM380 mounted in bridge. Two small?amplifiers?LM380?(2.5?W?max?in?each?18?V), which m...

  • Stereo Tube Amplifier electronic circuit diagram

    2015-01-06 00:07:00232

    By Weslee Kinsler The circuit is simple, yet is capable of excellent performance. I designed it specifically for use as an amplifier for the digital so...

  • Paralleling Amplifiers to Reduce Noise

    2015-01-06 00:05:4484

    View Full Size Image View Original Datasheet In high gain circuits noise reduction is an important consideration. Paralleling four amplifiers will redu...

  • TDA2611AQ audio power amplifier IC circuit diagram

    2015-01-05 23:50:49192

    TDA2611AQ is an audio power amplifier integrated circuit produced by Philips of the Netherlands, It is widely used in video, audio, computer audio syst...

  • Op-Amp Application: Level Shifting Amplifier

    2015-01-05 23:49:11104

    Sometimes, in linear equipment design, its necessary to take a voltage which is referred to some dc level and generate an amplified output which is ref...

  • 8R/6.25W Loudspeaker Driven by Power Amplifier

    2015-01-05 23:44:2790

    Figure 1 The circuit was constructed for the purpose of producing a power amplifier that will be used by loudspeakers with rating of 6.25W/8R. Power Am...

  • VCA Preamplifier (THAT2180C)

    2015-01-05 23:41:4195

    This article describes the VCA Preamplifier (THAT2180C). The content is very simple, very helpful. Components in this article can help you understand b...

  • Amplifier using BC559

    2015-01-05 23:40:10100

    This article is a circuit diagram of an amplifier using BC559 simple introduction. Efficient understood from the perspective of the theory, we suggest ...

  • LM709 general purpose operational amplifier and its pin main

    2015-01-05 23:38:3388

    600μV input offset voltage; 1.8μV / ℃ temperature drift; 100nA bias current; 2.3mA current consumption; ± 18V power supply; ± 5V differential-mod...

  • MOSFET Amplifier

    2015-01-05 23:33:32102

    MOSFET Amplifier This amplifier evolved from the previous 6 transistor mosfet amplifier. That design was already so good there seemed no reason to look...

  • 350w Home audio amplifier

    2015-01-05 23:27:41646

    350wHome audio amplifier 350w ampifier using schematic transistor paralelHome audio amplifier using MJL21194, MJL21193, MJE15030, MJE340, BF470, BC556,...

  • Pure Class-A Headphone Amplifier(BD135)

    2015-01-05 23:23:09332

    This article describes the Pure Class-A Headphone Amplifier (BD135). The principle is very simple, very practical. The circuit components can help you ...

  • LM6162/6262/6362 operational amplifier and its pin main char

    2015-01-05 23:09:2580

    4.75 to 32V operating voltage range; 5mA supply current; differential gain is less than 0.1%; difference is 0.1 °; 300V/μs conversion rate; ±3mV inp...

  • Differential input/output gain programmable amplifier circui

    2015-01-05 23:08:5482

    As shown in the chart, the circuitis thedifferential input/output gain programmable amplifier circuit. This circuit is composedof two pieces of PGA202 ...

  • USB Powered Audio Power Amplifier

    2015-01-05 23:05:36382

    This circuit of multimedia speakers for PCs has single-chip-based design, low-voltage power supply, compatibility with USB power, easy heat-sinking, lo...

  • LM4096 audio amplifier circuit design

    2015-01-05 22:59:3585

    Audio Circuits This LM4096 audio amplifier electronic project circuit diagram is a very simple audio amplifier that will provide a maximum output power...

  • Bidirectional line driver circuit composed of double broadba

    2015-01-05 22:47:1389

    The circuit uses OPA2662 internal dual OTA to form two - channel current output drive circuit, and one channel is used as send driver, the other way is...

  • Clipping Amplifier by LM741

    2015-01-05 22:45:3385

    When an amplifier is overdrive output waveform of voltage and current distortion. it is limit size value. This isClipping Amplifier Circuitusing LM741 ...

  • Low noise microphone amplifier circuit

    2015-01-05 22:39:41114

    This low noise microphone amplifier is build with MAT02 produced by PMI. This mic amplifier is very performant and has a very low noise level . The amp...

  • Basic transistor amplifier circuits

    2015-01-05 22:33:15121

    Typical component values are given for use at audio frequencies, where these circuits are used most often The input and output phase relationships are ...

  • 20 Watt Stereo Audio Power Amplifier by LM1875

    2015-01-05 22:30:5692

    Figure 1 Here is a reliably high sound quality audio power amplifier project based on the National Semiconductor’s LM1875 IC. The circuit that we giv...

  • Voice Activated Switch And Amplifier Circuit

    2015-01-05 22:24:38172

    In certain applications, such as transmitter or other communications and control applications, this circuit should be useful. Both audio output and dc ...

  • 65W Power Amplifier using HEXFET circuit diagram

    2015-01-05 22:18:22260

    This is a high quality 65W power amplifier circuit based HEXFET IRF9540 and IRF540. The circuit is quite simple for amplifier with good sound quality. ...

  • Telephone Amplifier using LM386

    2015-01-05 22:17:14128

    The following diagram is the circuit diagram of telephone amplifier, build based small amplifier IC LM386. This is a easy build telephone amplifier The...

  • car amplifier power supply

    2015-01-05 22:04:27572

    This power supply circuit is paired with Monoblock Car Amplifier TDA7294 The schematic diagram come from circuit: DC to DC Converter 12V to ± 38V powe...

  • 3khz Low Pass Filter and Audio Amplifier(LM386)

    2015-01-05 22:04:23147

    This article briefly describes the 3khz Low Pass Filter and Audio Amplifier (LM386). This principle is easy to understand, but also very practical. Dep...

  • 1 Watt 2.45 GHz Linear Amplifier CIRCUIT (RF2126)

    2015-01-05 22:04:07162

    This article describes the 1 Watt 2.45 GHz Linear Amplifier CIRCUIT (RF2126). The content is very simple, very helpful. Components in this article can ...

  • Compact High-Performance 12V 20W Stereo Amplifier(TDA-7377)

    2015-01-05 22:02:20313

    This article briefly describes the Compact High-Performance 12V 20W Stereo Amplifier (TDA-7377). This principle is easy to understand, but also very pr...

  • Mono Power Amplifier – A1015, BD140, TOP2955

    2015-01-05 22:01:25159

    Typically audio amplifier stereo amplifier to a two amplifier. And if a mono amplifier is a single speaker. However this circuit command be present ext...

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