Supplies - Electronics Area https://electronicsarea.com Electrical and Electronics Tutorials and Circuits Wed, 22 Jul 2026 22:15:32 +0000 en-US hourly 1 https://wordpress.org/?v=4.9.26 Internal Resistance of a Voltage Source. What is it? https://electronicsarea.com/internal-resistance-voltage-source/ https://electronicsarea.com/internal-resistance-voltage-source/#respond Tue, 12 May 2026 17:16:19 +0000 https://electronicsarea.com/?p=4632 Voltage sources, whether batteries, generators, etc., are not ideal (perfect). A real voltage source is composed of an ideal voltage source in series with a resistance called internal resistance.

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]]> https://electronicsarea.com/internal-resistance-voltage-source/feed/ 0 Current Limiter circuit for Power Supply using transistor & resistor https://electronicsarea.com/voltage-regulator-using-current-limiter/ https://electronicsarea.com/voltage-regulator-using-current-limiter/#respond Wed, 07 Dec 2022 20:39:05 +0000 http://electronicsarea.com/?p=1434 Current Limiter circuit for a Power Supply using a transistor and a resistor.

If the load current exceeds its maximum, an over current protection is needed

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The post Current Limiter circuit for Power Supply using transistor & resistor appeared first on Electronics Area.

]]> https://electronicsarea.com/voltage-regulator-using-current-limiter/feed/ 0 Power Supply – Block Diagram (AC – DC conversion process) https://electronicsarea.com/basic-power-supply-block-diagram/ https://electronicsarea.com/basic-power-supply-block-diagram/#respond Fri, 16 Oct 2020 16:59:45 +0000 http://electronicsarea.com/?p=404 Many electronic circuits need a direct current (DC) voltage source, but what we commonly find are voltage sources of alternating current (AC). In order to achieve a direct current voltage source, the alternating current input must follow a conversion process.

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The post Power Supply – Block Diagram (AC – DC conversion process) appeared first on Electronics Area.

]]> https://electronicsarea.com/basic-power-supply-block-diagram/feed/ 0 Transformerless Power Supply Circuit https://electronicsarea.com/transformerless-power-supply-circuit/ https://electronicsarea.com/transformerless-power-supply-circuit/#comments Tue, 22 Sep 2020 17:31:25 +0000 http://electronicsarea.com/?p=394 Transformerless power supply. This circuit is designed to connect to a specific circuit because it can only provide a maximum and minimum current.

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The post Transformerless Power Supply Circuit appeared first on Electronics Area.

]]> https://electronicsarea.com/transformerless-power-supply-circuit/feed/ 2 Transistorized Voltage Regulator (Zener & Transistor) https://electronicsarea.com/transistorized-voltage-regulator/ https://electronicsarea.com/transistorized-voltage-regulator/#respond Wed, 16 Sep 2020 16:11:51 +0000 http://electronicsarea.com/?p=213 Explanation of a transistorized voltage regulator. Zener diode and transistor voltage regulator circuit diagram

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The post Transistorized Voltage Regulator (Zener & Transistor) appeared first on Electronics Area.

]]> https://electronicsarea.com/transistorized-voltage-regulator/feed/ 0 Zener diode Voltage regulator Circuit Design https://electronicsarea.com/zener-diode-voltage-regulator-circuit-design/ https://electronicsarea.com/zener-diode-voltage-regulator-circuit-design/#comments Sun, 06 Sep 2020 15:19:42 +0000 http://electronicsarea.com/?p=1235 Zener Diode Voltage Regulator Circuit Design. Design method. Determination of the voltage and power of the Zener diode and of the limiting resistor Rs.

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The post Zener diode Voltage regulator Circuit Design appeared first on Electronics Area.

]]> https://electronicsarea.com/zener-diode-voltage-regulator-circuit-design/feed/ 1 Voltage Regulators – Linear, Switching https://electronicsarea.com/voltage-regulators-linear-switching/ https://electronicsarea.com/voltage-regulators-linear-switching/#respond Sat, 05 Sep 2020 17:40:31 +0000 http://electronicsarea.com/?p=203 Voltage regulators (linear, switching) provide a stable and fixed voltage output to give energy to electronics circuits from an unregulated power source

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The post Voltage Regulators – Linear, Switching appeared first on Electronics Area.

]]> https://electronicsarea.com/voltage-regulators-linear-switching/feed/ 0 Half-Wave Rectifier https://electronicsarea.com/the-half-wave-rectifier/ https://electronicsarea.com/the-half-wave-rectifier/#respond Mon, 31 Aug 2020 12:13:26 +0000 http://electronicsarea.com/?p=1400 The half-wave rectifier rectification process. Polarization of a semiconductor diode in the forward and in the reverse direction. Input and output waveforms

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The post Half-Wave Rectifier appeared first on Electronics Area.

]]> https://electronicsarea.com/the-half-wave-rectifier/feed/ 0 Full Wave Rectifier using center tapped transformer https://electronicsarea.com/full-wave-rectifier-using-center-tapped-transformer/ https://electronicsarea.com/full-wave-rectifier-using-center-tapped-transformer/#respond Fri, 04 Aug 2017 19:01:07 +0000 http://electronicsarea.com/?p=3692 This full wave rectifier requires a center tapped transformer. This additional end on the secondary winding of the transformer divides the voltage in this winding into two equal voltages. The additional end is grounded.

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The post Full Wave Rectifier using center tapped transformer appeared first on Electronics Area.

]]> https://electronicsarea.com/full-wave-rectifier-using-center-tapped-transformer/feed/ 0 Types of Cells / Batteries https://electronicsarea.com/types-of-cells-batteries/ https://electronicsarea.com/types-of-cells-batteries/#respond Mon, 03 Aug 2015 17:43:50 +0000 http://electronicsarea.com/?p=2335 Types of cells / batteries. Primary batteries (non-rechargeable): Dry, mercury, alkaline. Secondary batteries (rechargeable): Nickel-Cadmium Alkaline, Lead

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