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  • Preamplifier and high-to-low impedance converter

    2015-01-05 13:05:06127

    Thiscircuit matches the very high impedance of ceramic cartridges, unity gain, and low impedance output. By `loading` the cartridge with a 2M2 input re...

  • 300 Watt Subwoofer Power Amplifier (MJL4302A)

    2015-01-05 12:55:24209

    This article describes the 300 Watt Subwoofer Power Amplifier (MJL4302A). The content is very simple, very helpful. Components in this article can help...

  • The voltage amplifier circuit of the piezoelectric accelerat

    2015-01-05 12:45:18103

    The voltage amplifier circuit of the piezoelectric accelerator The voltage amplifier is an amplifier circuit with a high input impedance, as the capaci...

  • 20dB VHF Amplifier

    2015-01-05 12:39:30220

    Many times we needed to strengthen a small signal in the region of VHF or FM, or it is we lead a body, or a receptor. The preamplifier that to you we p...

  • Stereo Preamplifier With Bass-boost electronic circuit diagr

    2015-01-05 12:38:3579

    High Quality, simple design20 to 30V supply Parts: P1_________________10K Log.Potentiometer (Dual-gang for stereo) P2________________100K Log.Potentiom...

  • 2 X 18W Stereo Hi-Fi Audio Amplifier (TDA2030)

    2015-01-05 12:34:26144

    This article briefly describes the 2 X 18W Stereo Hi-Fi Audio Amplifier (TDA2030). This principle is easy to understand, but also very practical. Depth...

  • Differential amplifier circuit diagram with 20MHZ bandwidth

    2015-01-05 12:24:20129

    The circuit consists of two CA3005 RF amplifiers, the gain is decided by the ratio Rr / Ri. Capacitors C1, C2 are used to improve the bandwidth to prev...

  • Tiny Audio Amplifier Using Lm386 electronic circuit diagram

    2015-01-05 12:22:23117

    Specifications The Tiny Audio Amplifier kit is a good choice for battery operation. It is based on LM386 IC. * Power supply - 6 - 12 VDC * Output power...

  • 1Mhz-meter-driver-amplifier

    2015-01-05 12:22:1068

    This circuit uses the CA3100 BiMOS op amp to drive~a 1-mA meter movement to full scale with 1-V rms input. Reprinted Url Of This Article: http://www.ne...

  • 100MHz Op Amp LT6203

    2015-01-05 12:18:59105

    In this case however, the JFET is not allowed to dictate the DC bias conditions. Instead of simply grounding the LT6202 noninverting input, an LTC2050 ...

  • How to build 36 Watt Audio Power Amplifier Using TDA1562Q

    2015-01-05 12:17:59312

    Description It's based on a Philips class-H audio amplifier IC and can deliver 36W RMS OR 70W music power, all from a 13.8V supply. Our new Mighty Midg...

  • The OTL power amplifier circuit made of TDA2030A

    2015-01-05 12:03:29147

    The OTL power amplifier is powered by a single supply and it is fixed with an output coupling capacitor. See as the figure, R5 (150 kΩ) and R4 (4.7 kΩ...

  • LM1875T 20W Audio Power Amplifier

    2015-01-05 12:01:46690

    The LM1875T delivers 20 watts into a 4 or 8 load on 25V supplies. Using an 8 load and 30V supplies, over 30 watts of power may be delivered. The amplif...

  • Video Amplifier(BC550)

    2015-01-05 11:59:18385

    This article briefly describes the Video Amplifier (BC550). This principle is easy to understand, but also very practical. Depth understanding of circu...

  • LM4809, LM4810 typical circuit diagram for two-channel headp

    2015-01-05 11:56:20106

    Left and right channel audio signals are input M4809/4810(SOP/MSOP packaging) 2, 6 feet respectively. They are output by 1, 7 feet after being amplifie...

  • Mosfet Power Amplifier Circuit

    2015-01-05 11:52:43262

    Two complementary MOSFETs are used to deliver 20 W into 8 . A TL071 op amp is used as an input amplifier. The MOSFETs should be heatsinked with a heats...

  • Stereo car audio amplifier TDA1557Q TDA1553Q

    2015-01-05 11:41:09349

    This stereo amplifier is for car purpouse and can deliver up to 2 x 22W using a single TDA1557Q or TDA1553Q from Philips. TDA1557Q TDA1553Q datasheet M...

  • Common base (common -B) amplifier circuit of broadband trans

    2015-01-05 11:40:2878

    Figure (a) shows the discrete components common-base amplifier , Vo is the in-phase gain, Vos has a few volts; figure ( b ) shows the common-base ampli...

  • Stereo Tube Amplifier 4 Watts circuit diagram

    2015-01-05 11:37:05150

    This is the circuit diagram of stereo tube amplifier using 6SQ7-GT and 6V6-GT. The tube amplifier circuit is uses the total of 5 power vacuum tube. The...

  • Single-Supply Instrumentation Amplifier(OP284 )

    2015-01-05 11:35:51106

    This article briefly describes the Single-Supply Instrumentation Amplifier (OP284). This principle is easy to understand, but also very practical. Dept...

  • The caple amplifier circuit composed of OPA660

    2015-01-05 11:31:3291

    Cable input signal VI is added to the pin 3 of OPA660 after passing 150Ω base resistor and 50Ω matched resistor, then it is output by pin 6 after bei...

  • Kelvin-Sensed Temperature Sensor Amplifier for ?50?C to 150

    2015-01-05 11:27:5466

    View Full Size Image View Original Datasheet The LT1012 is an internally compensated universal precision operational amplifier which can be used in pra...

  • DA6340 VCR infrared remote control receiver preamplifier cir

    2015-01-05 11:26:3969

    BA6340 is suitable for the VCR 's infrared remote control receiver preamplifier integrated circuit. Internal circuit consists of the signal receiving c...

  • 4 X 15 Watt power amplifier

    2015-01-05 11:16:2091

    Description. A lot of electronic circuits in the domain of audio amplifiers are already been published here. This circuit is a little different because...

  • TL071, TL072, TL074 Circuit

    2015-01-05 11:15:13264

    The JFET-input operational amplifiers in the TL07x series are similar to the TL08x series, with low input bias and offset currents and fast slew rate. ...

  • UHF antenna amplifier circuit

    2015-01-05 11:04:11148

    This amplifier circuit is used to amplify TV signals in UHF range. It uses a low-noise transistor and gives 10 to 15 dB amplification in the frequency ...

  • LM387 dynamic microphone preamplifier

    2015-01-05 11:02:0090

    Audio Circuits A dynamic microphone preamplifier can be realized using LM387 dual operational amplifier integrated circuit. Input impedance corresponds...

  • LM4921 for dual-channel headphone amplifier typical circuit

    2015-01-05 10:58:3389

    Figure shows the typical circuit of LM4921 stereo headphone amplifier. SPI interface bus J1 input controls lines signal: serial data signal SPI-DATA, s...

  • Single Channel Headphone Amplifier

    2015-01-05 10:57:5677

    Headphone amplifier circuit was built by IC DA1 KR1436UN1 (DIP8). This IC operated on a wide range of voltage between 2V-16V. With small current requir...

  • Low Noise Hydrophone Amplifier with DC Servo

    2015-01-05 10:52:1076

    View Full Size Image View Original Datasheet The LT1169 achieves a new standard of excellence in noiseperformance for a dual JFET op amp. For the first...

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