All Entries in the "Amplifier" Category
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 [...]
Download Handbook of operational amplifier applications by Texas Instruments
The purpose of this handbook is to provide a single source of information covering the proper design of circuits employing the versatile modem operational amplifier. This manual will be helpful to the experienced user of operational amplifiers, as well as the new user, in extending the range of potential applications in which these devices can [...]
Audio amplifier circuit with IC TDA1562 – 70 W high efficiency power amplifier – Philips IC for automotive applications
General description The TDA1562 is a monolithic integrated 70 W/4Ω Bridge-Tied Load (BTL) class-H high efficiency power amplifier in a 17 lead DIL-bent-SIL plastic power package. The device can be used for car audio systems (e.g. car radios and boosters) as well as mains fed applications (e.g. midi/mini audio combinations and TV sound). FEATURES of [...]
Circuit power audio amplifier stereo with LM1875 and preamp for NE5532 – 2 x 20 Watts
The LM1875 is a monolithic power amplifier offering very low distortion and high quality performance for consumer audio applications. The LM1875 delivers 20 watts into a 4Ω or 8Ω load on ±25V supplies. Using an 8Ω load and ±30V supplies, over 30 watts of power may be delivered. The amplifier is designed to operate with [...]
