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...
- Tube amplifier 2A3 and 3A5
- Cheap solid amplifier circuit diagram
- Headphone Amplifier with IR Communication
- Portable Headphone Amplifier
- 600W Audio Amplifier
- The Awfully Antique Audio Amplifier (MAX3243IDWR)
- Amplifier audio small to use with 9V battery operated
- A masthead preamplifier circuit diagram showing
- 3 Watt HI-FI Stereo Amplifier
- Power amplifier 60w 
- Current Amplifier Using CA3140 Op-Amp
- TDA1514 50W Hi Fi audio amplifier
- 20 Watt Power Amplifier(TDA2005M)
- NFJ TA2024 Amplifier Kit Semifinished Product - Part 4
- power amplifier OCL 180W MOSFET J50 and K135
- Simple Amplifier For Phototransistors Circuit
- FET Hydrophone Pre-Amplifier
- 805 cathode follower direct coupling power amplifier circuit
- Vacuum Tube single End A Type 211 Power Amplifier Circuit
- tube amplifier 12AX7 2 x 6BQ5 EL84
- Audio Power Amplifier Circuit
- Band 2 Preamplifier
- 2 x 32 Watts stereo amplifier
- Color video amplifier
- Hi-Fi Headphone Amplifier (L7824CT)
- 1500W Power Amplifier
- High-precision linear amplifier circuit composed of F007
- The CMOS logic probe circuit
- Differential amplifier using opamp
- Tube Amplifier Isolates High Voltages
- Gain 2 of precision amplifier circuit (INA105)
- TDA7294 Amplifier
- Trans former less Microphone Preamplifier (CA741)
- Magnetic pickup pre-amplifier circuit.
- Telephone amplifier CIRCUIT (CD4066B)
- 7 Watt Audio Amplifier with IC TDA2003 circuit diagram
- Mini Audio Amplifier circuit
- 60W audio power amplifier circuit with 2N3055
- 150 Watt amplifier circuit
- 25 Watt MOSFET Audio Amplifier
- Power Amplifier 1500W - 4OHMS
- Condenser Mike Pre-Amplifier Circuit
- The OTL power amplifier circuit made of TDA2030A
- 25/50 W Power Amplifier Class D based MAX9709 chip
- Tube Amplifier 30Watt ECF80(6BL8, 6Φ1Π) 6L6(6Π3C)
- Introduce the principle of high-fidelity power amplifier
- Headphone Amplifier by Transistor BC109
- 200 Watt High Quality Audio Amplifier circuit diagram
- LM6162/6262/6362 operational amplifier and its pin main char
- RF Fm 88-108 MHz radio amplifier BLF 245
- USB Powered Audio Power Amplifier(TDA2822M)
- Computer Audio Booster
- Precision logarithmic and logarithmic ratio amplifier LOG100
- 18W Audio Amplifier
- Few Transistor amplifier circuits
- STK4038 60 watt audio amplifier
- Power Amplifier OCL 100w With MJ802, MJ4502
- LH0032 video amplifier CIRCUIT (LH0032)
- 1.5W VHF Amplifier
- Rgb video amplifier
- Extended Bandwidth Amplifier Circuit Diagram
- OP-27 ultra-low noise and high - precision operational ampli
- How to build Operational Amplifier (Op-Amp) Basics
- Comparator Circuit of TL431
- Portable 9V Headphone Amplifier(NE5532)
- Portable Audio Amplifier circuit diagram
- The GEM Class-A-AB Amplifier
- Miniature Audio Oscillator
- Low-noise 30Mhz preamplifier
- Stereo Headphone Amplifier Adapter
- LM359 Video Amplifier
- Instrumentation amplifier
- TDA2052 audio amplifier circuit design electronic project
- Condenser Mic Audio Amplifier
- How to build Studio Series Stereo Headphone Amplifier
- Single-Chip VHF RF Preamplifier
- How to build Headphone Class A Amplifier
- 400W Power Amplifier "Safari" circuit diag
- Mosfet Amplifier Circuits
- Discrete 9-12V Microphone Pre-Amplifier
- OP-21 high-precision operational amplifier and its pin main
- Programmable Gain Amplifier with CD4066
- Pure Class-A Headphone Amplifier(7815 )
- Voice Activated Switch And Amplifier Circuit
- The FM circuit composed of the NE555
- Noninverting Ac Amplifier Circuit
- UHF T Volt Preamplifier CIRCUIT (MPSH10)
- OPA604 FET input high-fidelity operational amplifier circuit
- Powerful and Portable Amplifier ( 1985)
- 100 W valve audio amplifier
- MA326 high-precision and wideband op amp and its pin main ch
- Amplifiers and loudspeakers Protection Circuit with IC LM393
- 22 Watt Stereo Amplifier(TDA1554)
- 2X15 Watt stereo amplifier using TDA4935
- Miniature audio amplifier circuit
- Voltage-controlled 4W audio amplifier circuit diagram
- Single-Supply Instrumentation Amplifier(OP284 )
- RF amplifier principle circuit composed of RF2103P
- Class A-Designed Symmetrical Audio Preamplifier
- Class AB power amplifiers