Thiscircuit matches the very high impedance of ceramic cartridges, unity gain, and low impedance output. By `loading` the cartridge with a 2M2 input re...
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 accelerator The voltage amplifier is an amplifier circuit with a high input impedance, as the capaci...
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...
High Quality, simple design20 to 30V supply Parts: P1_________________10K Log.Potentiometer (Dual-gang for stereo) P2________________100K Log.Potentiom...
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...
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...
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...
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...
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 ...
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 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...
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...
This article briefly describes the Video Amplifier (BC550). This principle is easy to understand, but also very practical. Depth understanding of circu...
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...
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...
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...
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...
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...
This article briefly describes the Single-Supply Instrumentation Amplifier (OP284). This principle is easy to understand, but also very practical. Dept...
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...
View Full Size Image View Original Datasheet The LT1012 is an internally compensated universal precision operational amplifier which can be used in pra...
BA6340 is suitable for the VCR 's infrared remote control receiver preamplifier integrated circuit. Internal circuit consists of the signal receiving c...
Description. A lot of electronic circuits in the domain of audio amplifiers are already been published here. This circuit is a little different because...
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. ...
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 ...
Audio Circuits A dynamic microphone preamplifier can be realized using LM387 dual operational amplifier integrated circuit. Input impedance corresponds...
Figure shows the typical circuit of LM4921 stereo headphone amplifier. SPI interface bus J1 input controls lines signal: serial data signal SPI-DATA, s...
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...
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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