Power Supply - Electronics Area https://electronicsarea.com Electrical and Electronics Tutorials and Circuits Tue, 12 Nov 2024 17:10:10 +0000 en-US hourly 1 https://wordpress.org/?v=4.9.26 Variable Dummy Load for Power Supply Testing https://electronicsarea.com/variable-dummy-load-power-supply-testing/ https://electronicsarea.com/variable-dummy-load-power-supply-testing/#respond Thu, 13 Jul 2023 15:40:35 +0000 https://electronicsarea.com/?p=4646 Variable Dummy Load for Power Supply Testing. How to test a voltage source to know if it is good or not?. What is the percentage regulation?.

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]]> https://electronicsarea.com/variable-dummy-load-power-supply-testing/feed/ 0 Transistor – Zener Voltage regulator circuit https://electronicsarea.com/transistor-zener-diode-voltage-regulator-circuit/ https://electronicsarea.com/transistor-zener-diode-voltage-regulator-circuit/#respond Fri, 09 Jun 2023 08:16:18 +0000 http://electronicsarea.com/?p=1373 Transistor - Zener diode Voltage regulator circuit. This circuit delivers an output voltage established by the voltage of the zener diode less 0.7 volts

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The post Transistor – Zener Voltage regulator circuit appeared first on Electronics Area.

]]> https://electronicsarea.com/transistor-zener-diode-voltage-regulator-circuit/feed/ 0 Dual polarity Variable Power Supply (+15V / -15V) max https://electronicsarea.com/dual-polarity-variable-voltage-source/ https://electronicsarea.com/dual-polarity-variable-voltage-source/#respond Thu, 20 Apr 2023 17:33:58 +0000 https://electronicsarea.com/?p=7310 Dual polarity variable power supply (+/- 15 volts). Voltage source with a maximum amplitude of +/- 15 volts and a current of up to 1.5 amps.

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The post Dual polarity Variable Power Supply (+15V / -15V) max appeared first on Electronics Area.

]]> https://electronicsarea.com/dual-polarity-variable-voltage-source/feed/ 0 12 to 5 volt Converter Circuit (for cars) https://electronicsarea.com/12-to-5-volt-converter-circuit-for-cars/ https://electronicsarea.com/12-to-5-volt-converter-circuit-for-cars/#respond Tue, 18 Apr 2023 19:57:23 +0000 https://electronicsarea.com/?p=4613 This 12 to 5 volt converter circuit is very useful. It can be used to connect 5 volt electronic devices in a car with a 12 volt battery. (Automotive lead-acid batteries can be up to 13.7 volts).

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The post 12 to 5 volt Converter Circuit (for cars) appeared first on Electronics Area.

]]> https://electronicsarea.com/12-to-5-volt-converter-circuit-for-cars/feed/ 0 12 volt Power Supply using the 7805 regulator https://electronicsarea.com/12-volt-power-supply-using-7805/ https://electronicsarea.com/12-volt-power-supply-using-7805/#respond Fri, 14 Apr 2023 17:00:31 +0000 http://electronicsarea.com/?p=2761 This 12 volt power supply circuit is simple and very useful. Sometimes a 12 Volt power source is needed, and we only have 5 or 9 volt regulators (7805, 7809)

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The post 12 volt Power Supply using the 7805 regulator appeared first on Electronics Area.

]]> https://electronicsarea.com/12-volt-power-supply-using-7805/feed/ 0 Variable voltage regulator using 7805 and 741 https://electronicsarea.com/variable-voltage-regulator-using-7805-and-741/ https://electronicsarea.com/variable-voltage-regulator-using-7805-and-741/#respond Thu, 02 Mar 2023 12:46:19 +0000 http://electronicsarea.com/?p=2484 Very simple variable voltage regulator with very few components. Output Voltage from 5 to 30 volts

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The post Variable voltage regulator using 7805 and 741 appeared first on Electronics Area.

]]> https://electronicsarea.com/variable-voltage-regulator-using-7805-and-741/feed/ 0 Mini variable Power supply circuit (0-30V, 1A) https://electronicsarea.com/mini-variable-power-supply-circuit/ https://electronicsarea.com/mini-variable-power-supply-circuit/#respond Wed, 01 Mar 2023 22:06:05 +0000 https://electronicsarea.com/?p=6828 Totally transistorized with 0 to 30V output voltage range. It can be used for projects where the current consumption is 1A max.

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The post Mini variable Power supply circuit (0-30V, 1A) appeared first on Electronics Area.

]]> https://electronicsarea.com/mini-variable-power-supply-circuit/feed/ 0 Surge Protection Circuit (Voltage Delay Circuit) https://electronicsarea.com/surge-protection-circuit-voltage-delay-circuit/ https://electronicsarea.com/surge-protection-circuit-voltage-delay-circuit/#respond Wed, 03 Feb 2021 15:58:57 +0000 https://electronicsarea.com/?p=4653 This surge protection circuit is placed between the DC voltage source and the circuit that you want to power. This circuit delays the voltage given by the power source and allows the voltage to be applied to the circuit or device a few moments later. 

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The post Surge Protection Circuit (Voltage Delay Circuit) appeared first on Electronics Area.

]]> https://electronicsarea.com/surge-protection-circuit-voltage-delay-circuit/feed/ 0 12V Power Supply using Zener and 741 Op. Amp. https://electronicsarea.com/12v-power-supply-using-zener-diode-741-op-amp/ https://electronicsarea.com/12v-power-supply-using-zener-diode-741-op-amp/#respond Wed, 27 Jan 2021 15:19:52 +0000 http://electronicsarea.com/?p=3655 This 12V Power Supply has, as its main characteristic, a low output impedance. This is a very desirable feature in voltage sources and is achieved with a large open loop gain that the operational amplifier has.

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The post 12V Power Supply using Zener and 741 Op. Amp. appeared first on Electronics Area.

]]> https://electronicsarea.com/12v-power-supply-using-zener-diode-741-op-amp/feed/ 0 Inverter for Fluorescent Lamps (12V to 120 / 220 VAC ) https://electronicsarea.com/inverter-for-fluorescent-lamps-12v-to-120-220-vac/ https://electronicsarea.com/inverter-for-fluorescent-lamps-12v-to-120-220-vac/#respond Wed, 13 Jan 2021 19:44:43 +0000 https://electronicsarea.com/?p=6550 This simple Inverter for fluorescent lamp circuit uses the 555 timer, a transformer and a transistor. Useful to use with a car battery.

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