All Entries in the "Amplifier" Category
Simple Circuit – Stereo audio amplifier using IC LM386 – 2 x 500 mW – Includes PCB and Power Supply
This is an audio amplifier using two National Semiconductor LM386 (Texas Instruments). Basically this involves the use of two amplifiers as posted on another item with a time ago. However this time includes the printed circuit board for stereo version, and power supply. The circuit operates power supply or batteries 6-12 volts. The yield is [...]
Circuit Stereo Preamplifier With IC TDA1524A – Tone Control Unit – Bass Treble volume control, channel balance and loudness contour
Stereo preamplifier circuit based on the Integrated Circuit TDA1524A. Contains components for amplification and pre Tone controlling. The signal processing is done by the voltage controlled TDA1524A. This manufactured by Philips IC (NXP) Semiconductors, allows for tone control voltage and can be used in more complex designs using microcontrollers. Here we use linear potentiometers to control [...]
Circuit Audio Power Amplifier with Subwoofer – Mount Bridge – Using Ne5532 and 4 TDA2030 – 2 x 18 Watts stereo + 30 W sub
This circuit is typical of systems sold for 2.1 PC surround systems, left and right channel and subwoofer. Just plugging in the stereo audio and adjust the volume Audio amplifier circuit using integrated TDA2030 and op amp Ne5532, has two stereo amplifier left and right satellite and Bass amplifier using TDA2030 in bridge for more [...]
Circuit power amplifier stereo audio chip lm1875 – 2 x 20 watt and power supply circuit
This is an audio amplifier circuit using integrated LM1875 stereo to 2 x 20 Watts. With power supply for ease of assembly for any hobbyist. With a power of up to 20 Watts stereo amplifier that is suitable for use as power audio amplifier in various applications such as power amplifier for PC audio, FM [...]
Circuit power Audio Amplifier Mono With DMOS IC (MOSFET) TDA7293 to 100 watts stand-by mute
Power amplifier using the TDA7293 chip manufactured by ST Microelectronics, includes schematic and pcb design for easy mounting of the power amplifier. The TDA7293 is a monolithic integrated circuit in Multiwatt15 package, intended for use as audio class AB amplifier in Hi-Fi field applications (Home Stereo, self powered loudspeakers, Top-class TV). Thanks to the wide [...]
Download collection of circuits Tubes Audio power Amplifiers
This is a PDF in English published in 1947 and features 45 complete schemes of tube amps, including diagram drawing material list and description of operation. Ideal for anyone interested in old amplifiers (Vintage) and the supporters as well as a modern valve amplifier. The power of the circuits presented in the book ranges from [...]
Circuit audio preamplifier with a BC549 transistor – including PCBs and volume control
This simple circuit can be used to boost the signal sources that are not able to excite your amplifier, or from entering your PC, such as microphones for low and medium impedance, sound-heads, guitar pickups, guitar, etc.. The circuit is very simple and compact and can even be installed inside the signal source, should be [...]
Operational Amplifier Video Tutorial and super microphone circuit with LM324
Afroman goes over the basics of how to use an operational amplifier to amplify tiny voltages, and builds a circuit to listen to very faint sounds with a microphone. For more information about amplifiers, Google “inverting amplifier” “non-inverting amplifier” “instrumentation amplifier” “class A amplifier” “class B amplifier” “class AB amplifier” and that should give you [...]
Brutus – Circuit Audio power Amplifier stereo with tda7294 bridge 2x 170 Watts (more 300 + watts total)
The circuit of the amplifier with TDA7294 was a big hit among our readers, so bring more than this version of the amplifier with TDA 7294 “Brutus,” this is an application bridge to the tda7294 that can provide up to 170 Watts @ 8ohms, 38 VDC. The integrated circuit TDA7294 developed by SGS Thompson (www.st.com), [...]
Download Application Note 31 Op Amp Circuit Collection – National semiconductors
This Application Note (Application Note 31). He has a huge amount of practical circuits using operational amplifiers. They are 33 pages of practical circuits that can be very useful for all who work with operational amplifiers. Complete circuit list Op Amp Circuit Collection free Section 1—Basic Circuits Inverting Amplifier Non-Inverting Amplifier Difference Amplifier Inverting Summing [...]
