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Circuitos electrónicos: tl494



How to build Automotive 12V to +-20V converter (for audio amplifier) (circuit diagram)

http://www.high-voltage-lab.com/49/automotive-12v-to-20v-converter-for-audio-amplifier


Active Servo Power Supply circuit using 7815 7818 and 7915 - Free Electronic projects & 8085 projects : Free Electronic projects & 8085 projects

http://8085projects.info/active-servo-power-supply-circuit-using-7815-7818-and-7915.html


20A/ 12V-24V DC Motor controller using TL494 and IRF1405 ? Electronic projects circuits

This is the high quality 12V-24V PWM Motor controller circuit, at current up to 20A, using TL494-IRF1405 for working with soft start, adjust pulse frequency

http://www.eleccircuit.com/20a-12v-24v-dc-motor-controller-using-tl494-and-irf1405


PC Switching Power Supply schematic using TL494/LM339 IC 2003 & KA7500

Here is a collection of (SMPS) schematic, datasheets, images and tips for switch mode power supplies using TL494/ LM339, KA7500 and IC2003.

http://www.eejournal.org/journal/2010102974


Make a Flanagan Neurophone - Like Device with a TL494 | some electronic projects

UPDATE: Try it with NO audio input and the frequency set to 40kHz! That may be all you need to amp up your IQ. More here: https://neurophone.wordpress.com/2014/04/02/a-new-way-to-neurophone/ Also, if you can't afford the $800 Neurophone NF3, there's a $99 Neurophone in the works. . . but it will only ever see the light of day if enough . . ........

http://neurophone.wordpress.com/2012/08/05/make-a-diy-flanagan-neurophone-with-a-tl494


PWM Control Speed Motor 12V By TL494 | Wiring Diagram Circuit

http://wiringdiagramcircuit.com/pwm-control-speed-motor-12v-by-tl494


TL494 | PWM and Resonant Controller | Offline and Isolated DC/DC Controllers and Converters | Description & parametrics

http://focus.ti.com/docs/prod/folders/print/tl494.html


PWM Control Speed Motor 12V By TL494 | Eleccircuit.com

This is a speed controller of DC Motor 12V with PWM system. Which using a TL494 (Switchmode Pulse Width Modulation Control IC) is base for control DC Motor with

http://www.eleccircuit.com/8-channel-pwm-led-chaser-pic-16f628a


PC Switching Power Supply schematic using TL494/LM339 IC 2003 & KA7500

Here is a collection of (SMPS) schematic, datasheets, images and tips for switch mode power supplies using TL494/ LM339, KA7500 and IC2003.

http://www.eejournal.org/journal/2010102974/smps-schematic-tl494-2003


QRP and homebrew by DL2YEo

Do you like QRP and homebrew? On this pages you'll see some simple circuits. For example: 30/80m DC-receiver, IF/AF amplifier, QRP push-pull final, calculating SWR meter, 30m tranceiver .

http://www.qrp4u.de


Switchmode PSU Protection Circuit

ESP Audio Projects - Switchmode PSU Protection Circuit

http://sound.westhost.com/project108.htm


index_en

Do you like QRP and homebrew? On this pages you'll see some simple circuits. For example: 30/80m DC-receiver, IF/AF amplifier, QRP push-pull final, calculating SWR meter, 30m tranceiver .

http://www.qrp4u.de/index_en.html


Homemade Circuit Designs Just for You: Make This Powerful 200+200 watts Car Stereo Amplifier Circuit

The post explains a 200+200 watt car amplifier circuit design using the IC stk4050

http://homemadecircuitsandschematics.blogspot.com.es/2012/04/make-this-powerful-200200-watts-car.html


12V DC Motor Speed Controller by IC 4011 | Eleccircuit.com

If you want to control speed of a small 12 volt DC motor. Before will see others circuit. I introduces this circuit as figure that show below. They is simple

http://www.eleccircuit.com/12v-dc-motor-speed-controller-by-4011


The Basic Delay Timer Circuits using IC-555 base. | Eleccircuit.com

Minute Timer with alarm by IC555 This circuit uses a 555 IC timer number. This small, compact and portable. For the snooze alarm when some 10 or 15 minutes. It

http://www.elecfree.com/electronic/basic-timer-control-with-ne555



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