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Showing posts with the label 20W+20W+20W

20 Watts Car Stereo Amplifier

The main features of this powerful MULTIWATT Package (a trademark of SGS-THOMSON Microelectronics), a power amplifier IC chips designed specifically for car radio application, are the high current capability (3. 5A) and the capability to drive a very low impedance (down to 1. 6R). Here is the schematic diagram of the standard circuit as shown in it visit page. via next.gr

High-Performance 12V 20W Stereo Amplifier

Amplifiers which run from 12V DC generally don`t put out much power and they are usually not hifi as well. But this little stereo amplifier ticks the power and low distortion boxes. With a 14. 4V supply, it will deliver 20 watts per channel into 4-ohm loads at clipping while harmonic distortion at lower power levels is typically less than 0. 03%.  visit page. via next.gr

7 tube 20 watt amplifier

This is a 7 tube 20 watt amplifier that must be used in conjunction with a pre amplifier having volume an tone controls. For this, I recommend this 6 tube pre-amp. With this amplifier you may use 6BQ5 output tubes. A 5U4-G rectifier is used so that the power supply will have plenty of pep to run the amp. This amplifier is basically a Magnovox amp visit page.

20W Audio Power Amplifier Circuit

Description: The NTE7011 is an integrated circuit in a 12−Lead SIP type package designed for use as a BTL power amplifier with built−in headphone amp for portable stereo applications. Typical applications include portable component stereos, car stereo, radio cassette recorders, and TV sound multiplex output.
Features:  Low Quiescent Current, Low Distortion, Low Noise, High Output Power Wide Supply Voltage range: VCC = 6 to 26V Built−In Muting Circuit Built−In Protection Circuits:Temperature, Surge, Overcurrent Built−In Headphone Amplifier Circuit


20W Audio Power Amplifier

Circuit diagram:
Datasheet for HA1397: Download

20 watt BTL Audio Power Amplifier

Power stage 2 x 10 or 1 x 20 W class-D audio amplifier

General Description: The TDA8928J is a switching power stage for a high efficiency class-D audio power amplifier system. With this power stage a compact 2 × 10 W self oscillating digital amplifier system can be built, operating with high efficiency and very low dissipation. No heatsink is required. The system operates over a wide supply voltage range from ±7.5 V up to ±30 V and consumes a very low quiescent current.
Circuit Diagram: Datasheet for TDA8928:Download

TDA8931 Power comparator 1 × 20 W

General Description: The TDA8931 is a switching power stage for high efficiency class-D audio power amplifier systems. It contains a Single-Ended (SE) power stage, drive logic, protection control logic, a full differential input comparator and a HVP charger to charge the SE capacitor. With this amplifier a compact 1 × 20 W closed loop self-oscillating digital amplifier system can be built. The TDA8931 has a high efficiency so that a heat sink is not required up to 20 W (RMS). The system operates on an asymmetrical and a symmetrical supply voltage.
Circuit Diagram: Datasheet for TDA8931:Download

20 Watt BTL Audio Amplifier

Dual BTL 20W Audio Power Amplifier

Circuit Diagram:

UPC1230H2 Circuit diagram

20 W Audio Power Amplifier uPC1188H

20W power amplifier TDA8931

General description
The TDA8931 is a switching power stage for high efficiency class-D audio power amplifier systems. It contains a Single-Ended (SE) power stage, drive logic, protection control logic, a full differential input comparator and a HVP charger to charge the SE capacitor. With this amplifier a compact 1 × 20 W closed loop self-oscillating digital amplifier system can be built. The TDA8931 has a high efficiency so that a heat sink is not required up to 20 W (RMS). The system operates on an asymmetrical and a symmetrical supply voltage.
Features
High efficiencyOperating voltage asymmetrical from 12 V to 35 VOperating voltage symmetrical from ±6 V to ±17.5 VThermally protectedNo heat sink requiredCharger for single-ended capacitorNo pop sound

Applications
Flat panel television setsFlat panel monitorsMultimedia systemsWireless speakersMicro systemsCircuit Diagram

20W Hi-Fi AUDIO POWER AMPLIFIER

Circut Diagram:

20W TDA2020 Amplifier Circuit

20W Hi-Fi Audio Amplifier

General Description
The TDA1520A is a monolithic integrated hifi audio power amplifier designed for asymmetrical or symmetrical powert supplies for mains-fed apparatus.
Circuit Diagram:

LM2005 20 Watt Automotive Power Amplifier

General Description for LM2005:

The LM2005 is a dual high power amplifier, designed to deliver optimum performance and reliability for automotive deliver optimum performance and reliability for automotive vice to deliver 10W/channel into 2X (LM2005T-S), or 20W bridged monaural (LM2005T-M) into 4X, with low distortion. 
Features for LM2005:

Wide supply range (8V –18V)
Externally programmable gain
With or without bootstrap
Low distortion
Low noise
High peak current capability
POe20W bridge
High voltage protection
AC and DC output short circuit protection to ground or across load
Thermal protection
Inductive load protection
Accidental open ground protection
Immunity to 40V power supply transients
3§C/W device dissipation
Pin for pin compatible with TDA2005

Circuit diagram for LM2005:

Datasheet for LM2005:Download