This The multi-purpose Amplifier using TDA2030. It is have power 8 watt (RMS) at 8 ohm loudspeakers. It is have low noise be valuable THD (Total harmon...
STK392-110 is the thick-film hybrid power amplifier integrated circuit produced by Sanyo company, they are used in the Changhong SlPT28A Rear Projectio...
Audio Circuits This LM380 audio amplifier electronic project is designed for consumer applications. The LM830 can be used in many applications like : i...
The circuit adopts jfetinput integrated amp OPA128. This amp has very low offset current, which is about 40～150fA (1fA=10-15A),so its input impedance...
Transistors Ql and Q2 and their associated components provide: a low-impedance output with the necessary power to drive the output stages, give increas...
The oscillator circuit (see Figure 1) involves two unity gain phase shift stages, A1 and A2, in tandem and a gain stage, A3, with back to back diodes a...
Filter circuit composed of third-order asymmetric composed of LM356 op amp is shown as above. Third-order filter has two outputs A1 and UA2. The former...
This amplifier can transfer dc-to 5-MHz signals across a potential difference of 25 000 V. This circu it can be used in CRT displays, high-voltage appl...
TDA2822 is a low power stereo Op Amp used in Walkman players and Hearing aids. It can give 250 milli watts output. TDA2822 is an ideal Op amp for low o...
Circuit Description: This is a 100 watt basic power amp that was designed to be (relatively) easy to build at a reasonable cost. It has better performa...
LM2002／2002Ais theaudio power amplifier IC. It uses 5-pin single in-line plastic package. The features of the two ICs are large output power, less di...
BA5417 stereo power amplifier. BA5417 is a stereo amplifier IC with a lot of good features like thermal shut down, standby function, soft clipping, wid...
This 1 watt amp is very easy to built in very small dimensions, working with only single 9V battery, and is based on amplifier IC type LM386, its capab...
It has short circuit protection; operating voltage is ± 15V; it does not require frequency compensation; it can replace 747 and μA747C; supply reject...
Figure 1 The small 8 W power amplifiers are being applied in car radios by attaching them to speakers with 2 to 8 Ohms impedance. They can also be used...
Description A very simple but very good amplifier unit, with low distortion. A similar modification was used as a preamplifier HAFLER. The quality howe...
High Quality unit. No need for a preamplifier. Circuit diagram Amplifier parts: P1 22K Log.Potentiometer (Dual-gang for stereo)R1 560R 1/4W ResistorR2,...
This article describes the Dynamic Microphone Amplifier (BC547). The content is very simple, very helpful. Components in this article can help you unde...
SIM8821XO2 -GOTO is a frequency synthesizer integrated circuit, it is widely used in Samsung's CDMA series cellphones, such as the Samsung A399 mobile ...
STK1050 50W Power Amplifier Reprinted Url Of This Article: http://electronics-diy.com/electronic_schematic.php?id=754 Declaration We aim to transmit mo...
Here the simple audio mic pre amplifier circuit based on single IC LM358. The circuit is very simple, inexpensive and easy to built. Component Parts Li...
View Full Size Image View Original Datasheet The LTC6910 is a CMOS programmable gain (from 0 to 64) amplifier. The amplifiers provide for a differentia...
Reprinted Url Of This Article: http://www.seekic.com/circuit_diagram/Basic_Circuit/Analog_Circuit/Extended_Bandwidth_Amplifier_Circuit_Diagram.html...
Phono Preamplifier Ialmost never listen to it, but I do have a turntable hanging around and it needs a preamp. So I have designed this RIAA circuit. Th...
This article briefly describes the Balanced Microphone Preamplifier (NE5534). Although this circuit is very easy to understand, but also very practical...
An op amp can be used as a unity gain amplifier by connecting its output to its inverting input as shown. Rl should be low enough so the bias current o...
This article describes Passive RIAA Preamplifier (BC546). The principle is very simple, very practical. The circuit components can help you understand ...
A simple 25W fm radio amplifier used as a final stage for a 2.5W transmitter. I has a total gain of 10 dB and needs a 12V / 3A power supply. It is equi...
This article describes Amplifier Thermal Protection CIRCUIT (BC559). The content is very simple, very helpful. Components in this article can help you ...
Powered with main power ICTDA1554, this circuit works up to 22W. A few externel components required to support the main component. Heatsink on the powe...
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