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  • How to build Telephone amplifier

    2015-01-06 08:02:4770

    Circuit diagram While talking to a distant subscriber on telephone, quite often we feel frustrated when the voice of the distant subscriber is so faint...

  • Introduce a 25 Watt MosFet Audio Amplifier

    2015-01-06 07:58:1091

    This article is a 25-watt audio amplifier MosFet introduce the principle. The principle of combining text comprehension is a good suggestion. The princ...

  • Self Oscillating Amplifier for Distortion Testing CIRCUIT

    2015-01-06 07:57:51103

    This article describes the Self Oscillating Amplifier for Distortion Testing CIRCUIT (OPA2604). The content is very simple, very helpful. Components in...

  • Microphone Preamplifier with SSM 2015 P

    2015-01-06 07:56:3479

    An ultra low noise audio preamplifier particularly suited to microphone preamplification including balanced microphones. The IC features wide bandwidth...

  • 22 Watt Stereo Amplifier(TDA1554)

    2015-01-06 07:56:2684

    This article briefly describes the 22 Watt Stereo Amplifier (TDA1554). This principle is easy to understand, but also very practical. Depth understandi...

  • 22 Watt Car Subwoofer Amplifier

    2015-01-06 07:52:30230

    22W into 4 Ohm power amplifier, Variable Low Pass Frequency: 70 - 150Hz This unit is intended to be connected to an existing car stereo amplifier, addi...

  • TBA810 audio amplifier electronic project

    2015-01-06 07:52:09179

    Audio Circuits The TBA810 audio amplifier electronic project can provide a 7 W output power on a 4 ohms or 2 ohms load impedance . With a 4 ohms speake...

  • Low Capacitance High Impedance Amplifier Circuit

    2015-01-06 07:50:40571

    This series-feedback series of compounds give a high input impedance and stable, gain wide-band video amplifier for general purpose applications. Here ...

  • Op-Amp Application: Inverting Amplifier

    2015-01-06 07:45:0081

    The figure below show an operational amplifier circuit. Closed-loop gain given by this circuit is R2/R1 when this ratio is small compared with the ampl...

  • Class-d-power-amplifier

    2015-01-06 07:44:42179

    In this circuit, a 2-MHz clock is divided by eight in Ul, providing a stable 250-kHz carrier. Ql and Q2 buffer the clock and provide a low-impedance dr...

  • General Purpose Output Amplifier Circuit

    2015-01-06 07:42:0691

    This general-purpose amplifier has a bandwidth of approximately 20 MHz arid it uses an LM733/NE592 video amp IC. This circuit can be used as a line dri...

  • Linear power amplifier circuit composed of RF2132

    2015-01-06 07:36:2695

    The diagram is linear power amplifier circuit composed of RF2132. Radio-frequency signal (RF) isinput by pin 3, enlarged by preamplifier and final powe...

  • Measure an amplifier's THD without external filters

    2015-01-06 07:32:5177

    Ken Mendez, Maxim Integrated Products EDN Adding a secondary amplifier boost the THD to measurable levels Measuring an op amps THD (total harmonic dist...

  • Operation amplifiering instrumentation amplifier circuit

    2015-01-06 07:32:3289

    Instrumentation amplifier is usedin the occasion whereneed to amplifier small level signalDC signal, andit is produced by minus skulls topology. Instru...

  • Transformerless Microphone Preamplifier (STM8S207R8T6)

    2015-01-06 07:29:1386

    This article describes the Transformerless Microphone Preamplifier (STM8S207R8T6). The content is very simple, very helpful. Components in this article...

  • TDA2030 10W Audio Amplifier Circuit

    2015-01-06 07:25:15171

    TDA2030 audio amplifier can output 20 W but in this schematic we have reduced the power to 10 Watts and we use 10 W speakers. The input sensivity is ar...

  • LM6164/6264/6364 operational amplifier and its pin main char

    2015-01-06 07:21:4690

    4.75 to 32V operating voltage range; 300V/μs conversion rate; 725MHz gain bandwidth; 5mA supply current; differential gain is less than 0.1%; differen...

  • SA58631 Audio Amplifier Block Diagram Schematic

    2015-01-06 07:19:1171

    SA58631 is single-channel audio amplifier which generates a power output of 3 W with an 8- load using a 9V supply. The herein schematic appearsSA58631 ...

  • Tone-control audio amplifier

    2015-01-06 07:16:00115

    The circuit makes excellent use of the high slew rate, wide bandwidth, high input impedance, and high-output voltage capability of the CA3140 BiMOS op ...

  • The best efficiency power amplification circuit of RF2131 wi

    2015-01-06 07:12:1294

    RF signal (RF) is input by pin 7, and it is output by pin 10, 11, 14 and 15 after enlarging by preamplifier and final stage power amplifier. Pin 7 is d...

  • Mic Condenser Amplifier

    2015-01-06 07:07:43102

    This is the circuit diagram of mic condenser amplifier. The low-cost and compact mic condenser audio amplifier described right here is deliver good-qua...

  • Heart Monitor (ECG Sensor Signal Amplifier/Conditioner)

    2015-01-06 07:07:0777

    Using the circuit depicted in the schematic diagram below we can monitor the heart pulses of patient. This circuit buffer and amplify the heart pulses,...

  • stereo-amplifier-ic-TDA1554-22W- 22W

    2015-01-06 07:04:39127

    This circuit is a circuit-watt amplifier size at a reasonable 22W 22W. This is the mod is perfect for listening at home or in any vehicle. Is a simple ...

  • RF amplifier circuit diagram

    2015-01-06 06:52:1282

    Radio Circuits This RF amplifier circuit diagram is a very simple and is designed to work for 10 meters band (26 ... 30 MHz) reserved for amateurs. By ...

  • How to build Mini-box 2W Amplifier

    2015-01-06 06:52:1182

    Designed for self-powered 8, 4 2 Ohm loudspeakers Bass-boost switch Circuit diagram: Parts: P1 = 10K Log.PotentiometerR1,R2 = 33K 1/4W ResistorsR3 = 33...

  • LM6182 current feedback amplifier and its pin main character

    2015-01-06 06:48:4982

    Operating voltage range is ± 18V or 7.0 ~32V; closed-loop bandwidth is 100MHz; conversion rate is 2000V/μs; differential gain is 0.05%; difference is...

  • AM-FM-TV RF AMPLIFIER

    2015-01-06 06:32:07834

    The circuit is a universal amplifier that can amplify any rf signal. You can use the BF194 or the BF198. Make sure you use coaxial cable. Parts:R1=22KR...

  • LM383 16 watt audio amplifier

    2015-01-06 06:31:1591

    Audio Circuits This LM383 audio amplifier circuit diagram electronic project is capable to deliver up to 16 watts audio power in a 4 ohms load working ...

  • How to build 18W 18W Stereo Hi-Fi Audio Amplifier (TDA2030

    2015-01-06 06:24:43102

    Description 2 x 18W Hi-Fi Stereo Power Amplifier based around two TDA2030 ICs. It has good input sensitivity, low distortion, good operating stability ...

  • Low-Noise Microphone Amplifier (OP270E)

    2015-01-06 06:22:2673

    The signal from a microphone is two weak for a standard line input. This low-noise DC-coupled microphone amplifier provides a solution for anyone who w...

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