http://xtronic.org Transmitter power amplifier schematic electronics stereo circuit diagram, schematic power supply circuit Mon, 30 Apr 2012 05:33:47 +0000 en hourly 1 http://xtronic.org/circuit/adjustable-symmetrical-power-supply-using-lm317-lm337/ http://xtronic.org/circuit/adjustable-symmetrical-power-supply-using-lm317-lm337/#comments Fri, 23 Mar 2012 06:07:23 +0000 Toni http://xtronic.org/?p=1609 The circuit will serve as a voltage converter with an input voltage of 35 V to produce an output voltage of 1.25 V to 30 V. The positive voltage is being handled by LM317 IC while the negative voltage is handled by LM337. The circuit can provide an output current of 1 A. During the [...]

]]> http://xtronic.org/circuit/adjustable-symmetrical-power-supply-using-lm317-lm337/feed/ 0 http://xtronic.org/circuit/circuit-power-supply-regulated-low-dropout-positive-adjustable-regulators-lt1083/ http://xtronic.org/circuit/circuit-power-supply-regulated-low-dropout-positive-adjustable-regulators-lt1083/#comments Fri, 19 Aug 2011 16:20:12 +0000 Toni http://xtronic.org/?p=1427 The LT1083 series of positive adjustable regulators are  designed to provide 7.5A  with higher efficiency than currently available devices. All internal circuitry is designed to operate down to 1V input-to-output differential and the dropout voltage is fully specifi ed as a function of load current. Dropout is guaranteed at a maximum of 1.5V  at maximum [...]

]]> http://xtronic.org/circuit/circuit-power-supply-regulated-low-dropout-positive-adjustable-regulators-lt1083/feed/ 6 http://xtronic.org/circuit/video-tutorial-electrical-transformer-ac-to-dc-conversion-in-an-unregulated-dual-rail-power-supply/ http://xtronic.org/circuit/video-tutorial-electrical-transformer-ac-to-dc-conversion-in-an-unregulated-dual-rail-power-supply/#comments Sat, 30 Jul 2011 15:00:35 +0000 Toni http://xtronic.org/?p=1393 Afroman covers the basics of how transformers work, where to shop for step down mains transformers, and how to wire one up to mains voltages without killing yourself. European and North American wiring is discussed. He finishes up with a quick example of AC to DC conversion in an unregulated dual rail power supply. A [...]

]]> http://xtronic.org/circuit/video-tutorial-electrical-transformer-ac-to-dc-conversion-in-an-unregulated-dual-rail-power-supply/feed/ 1 http://xtronic.org/circuit/lm317-adjustable-voltage-regulator-video-tutorial/ http://xtronic.org/circuit/lm317-adjustable-voltage-regulator-video-tutorial/#comments Sat, 30 Jul 2011 07:01:33 +0000 Toni http://xtronic.org/?p=1409 A tutorial on the LM317 voltage regulator. Shows you how to make a 1.25 to 25V adjustable voltage supply, or choose any other output voltage you want. An example of a fan speed controller is shown. The LM117 series of adjustable 3-terminal positive voltage regulators is capable of supplying in excess of 1.5A over a [...]

]]> http://xtronic.org/circuit/lm317-adjustable-voltage-regulator-video-tutorial/feed/ 0 http://xtronic.org/circuit/video-turorial-voltage-regulator-tutorial-usb-gadget-charger-circuit/ http://xtronic.org/circuit/video-turorial-voltage-regulator-tutorial-usb-gadget-charger-circuit/#comments Sat, 30 Jul 2011 07:01:07 +0000 Toni http://xtronic.org/?p=1396 This video covers the basics of linear voltage regulators – what they do, how to wire them up, and where to find them. Then I give a basic example of how to build a 5V supply that can be used to power USB powered gadgets. The LM341 and LM78MXX series of three-terminal positive voltage regulators [...]

]]> http://xtronic.org/circuit/video-turorial-voltage-regulator-tutorial-usb-gadget-charger-circuit/feed/ 2 http://xtronic.org/circuit/amplifier/power-audio-amplifier-tda2002/ http://xtronic.org/circuit/amplifier/power-audio-amplifier-tda2002/#comments Fri, 01 Oct 2010 06:48:57 +0000 Toni http://xtronic.org/?p=1007 This is a class AB audio power amplifier circuit which built using a TDA2002 or TDA2003 power amplifier IC module. These are replacements for the original LM383 which is no longer available. It is easy to build and has a minimum of external components. The module has both short circuit protection and thermal protection. It [...]

]]> http://xtronic.org/circuit/amplifier/power-audio-amplifier-tda2002/feed/ 5 http://xtronic.org/circuit/power-supply/download-lm317-calc-lm317-toolkit-free/ http://xtronic.org/circuit/power-supply/download-lm317-calc-lm317-toolkit-free/#comments Wed, 01 Sep 2010 03:44:33 +0000 Toni http://xtronic.org/?p=948 Program to calculate the resistance to an LM317 / LM117. Interesting for those who want to design circuits with donte horny LM317 regulators, is either easy to find the combination of resistors for a given output voltage. Users electronic tags:LM317 Toolkit, LM317 Calculator or LM317 Toolkit Software, MULTISIM REGULATOR LM317

]]> http://xtronic.org/circuit/power-supply/download-lm317-calc-lm317-toolkit-free/feed/ 3 http://xtronic.org/circuit/amplifier/psu-designer-ii/ http://xtronic.org/circuit/amplifier/psu-designer-ii/#comments Wed, 26 May 2010 18:42:38 +0000 Toni http://xtronic.org/?p=536 PSU Designer II is designed to help you with the design of simple linear (unregulated) mains power supplies, as often found in tube amplifiers. Key features Rectifier types: Solid state, Vacuum tube types 5AR4, 5R4-G/GY/GYA/GYB, 5U4-G/GA/GB, 5V3-A, 5V4-G/GA, 5Y3-G/GA/GT, 5Z3, 6AU4-GT, 6AX4-GT/GTA/GTB, 6CA4, 6D22S, 6DE4, 6X4, 6X5/GT, 6W4-GT, 83, EZ80, EZ81, GZ33, GZ34, GZ37. Rectifier [...]

]]> http://xtronic.org/circuit/amplifier/psu-designer-ii/feed/ 0 http://xtronic.org/circuit/dimmer-circuit-triac-tic225/ http://xtronic.org/circuit/dimmer-circuit-triac-tic225/#comments Mon, 30 Mar 2009 04:23:00 +0000 Toni http://www.xtronic.org/?p=60 Dimmer with triac tic225, potency control in loads as illumination of lamps. The main component of that project is the triac that acts as a switch that determines the amount of power that will apply the lamp or other load. The potentiometer in the circuit is to vary the potency supplied by the triac. On [...]

]]> http://xtronic.org/circuit/dimmer-circuit-triac-tic225/feed/ 0 http://xtronic.org/circuit/dimmer-circuit-triac-tic-226/ http://xtronic.org/circuit/dimmer-circuit-triac-tic-226/#comments Mon, 30 Mar 2009 04:18:00 +0000 Toni http://www.xtronic.org/?p=53 Circuit Dimmer with Triac TIC 226 Use a small heatsink in the Triac Attention circuit working directly with net of high tension taken care shock risk. Users electronic tags:dimmer, triac dimmer, TIC226, triac, tic226d, dimmer triac, TIC 226D, tic 226, dimmer circuit, circuit dimmer

]]> http://xtronic.org/circuit/dimmer-circuit-triac-tic-226/feed/ 2 http://xtronic.org/circuit/adjustable-power-supply-7805/ http://xtronic.org/circuit/adjustable-power-supply-7805/#comments Mon, 30 Mar 2009 01:00:00 +0000 Toni http://www.xtronic.org/?p=32 Adjustable power supply with circuit integrated positive tension regulator 7805 Adjustable power supply with regulator lm317, we already knew, but the idea now is to use a fixed regulator, and to use some tricks so that the source and turn adjustable. Here it is a basic outline of the circuit of the source with 7805 [...]

]]> http://xtronic.org/circuit/adjustable-power-supply-7805/feed/ 0 http://xtronic.org/circuit/adjustable-power-supply-lm350k/ http://xtronic.org/circuit/adjustable-power-supply-lm350k/#comments Thu, 19 Feb 2009 21:45:00 +0000 Toni http://www.xtronic.org/?p=26 Adjustable power supply (source) with integrated circuit lm350k TO-3 high current This regulated power supply uses the integrated circuit LM350K (metallic package TO-3) which allows to vary the output tension between 1.2 and 33V with currents of up to 3 Amperes. The only precaution that she should take, is to set up IC1 in a [...]

]]> http://xtronic.org/circuit/adjustable-power-supply-lm350k/feed/ 0 http://xtronic.org/circuit/regulated-power-supply-lm317/ http://xtronic.org/circuit/regulated-power-supply-lm317/#comments Thu, 19 Feb 2009 21:43:00 +0000 Toni http://www.xtronic.org/?p=23 Regulated power supply, adjustable from 1.2 to 30V/1.5A using the ic lm317 use to substitute eliminator of piles and batteries in your circuits This circuit power supply supply uses the integrated circuit LM317T, which allows to vary the output tension between 1.2 and 30V with currents of up to 1.5 Amperes. To be used as [...]

]]> http://xtronic.org/circuit/regulated-power-supply-lm317/feed/ 0 http://xtronic.org/circuit/audio/powe-supply-atx-for-13-volts-audio-power-supply/ http://xtronic.org/circuit/audio/powe-supply-atx-for-13-volts-audio-power-supply/#comments Thu, 19 Feb 2009 21:43:00 +0000 Toni http://www.xtronic.org/?p=21 INTRODUCTION atx power supply you treats if of modifying a feeding power supply computer ATX to be used in the supported to test sound automotive and any equipment that needs 12 volts for 10 Amperes. In general equipments that are fed by car batteries. Mainly transceiver of radio. In the market exists this type of [...]

]]> http://xtronic.org/circuit/audio/powe-supply-atx-for-13-volts-audio-power-supply/feed/ 0 http://xtronic.org/circuit/circuit-of-power-supply-78xx-integrate-circuit/ http://xtronic.org/circuit/circuit-of-power-supply-78xx-integrate-circuit/#comments Thu, 19 Feb 2009 21:41:00 +0000 Toni http://www.xtronic.org/?p=18 Circuit of power supply using circuit integrated regulator of tension of the family 78xx Dynamic supply with circuit integrated regulator 78xx to – 220 Circuit with having integrated 78xx where xx is the value of the tension of the ci As shown in the tutorial on 78xx, it gives for setting up the circuit of [...]

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