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5V / 4A Regulator Circuit
This is the other power supply regulator circuit, is different from the previous circuit, this using IC op amp quad type MC 3401 operational amplifier from Motorola. Here is also used NPN Epitaxial...
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Low Voltage Regulators with Short Circuit Protection
These Low Voltage regulators with short circuit protection can provide 6, 7.5, and 9 V from an automobile battery supply of 13.5 V nominal, however, they will function just as well if connected to a...
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5000VDC Output from 230 VAC Input, with Diode Voltage Multiplier / Capacitor
This High voltage power supply can generate voltage of 5000 volts DC from 230 Vac line voltage . Its main purpose is the production of negative ions. WARNNG! The explanations given here are for people...
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Dual Polarity Power Supply +/- 15V based Transistors
This Dual supply circuit is suitable for installation of power analog (audio or measurement), it provides a bipolar voltage with voltage source between 20 and 50 V (in audio power amp, for example)....
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Dual Output Power Supply +/-53V / 3A based on Transistors
This is the circuit diagram of dual output power supply +/-53V / 3A based on transistors. This circuit has been designed for audio amplifier power supply requires a symmetrical + / -53 V (+ / -56 V...
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Simple LCD Power Supply
Laptop display commonly apply large screen Lcds, which generally will need a adjustable and a negative supply to ensure highest possible contrast. This circuit works with the system’s positive...
View ArticleClik here to view.
Symmetric 12V to 5V converter
With this simple DC voltage converter circuit we can reduce 12v to 5v symmetric voltage and can use existing resources. Here used 3-Terminal Adjustable Regulator LM317 for positive regulation and...
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Triple Output DC Power Supply
This is the circuit diagram of triple output power supply. The output given are: Adjustable output +1.25V to +20VDC Splited / dual polarity output +12VDC and -12VDC Splited / dual polarity output...
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1.5A Negative Adjustable Power Supply
This is the circuit diagram of negative adjustable power supply based LM337T. This circuit can be used for devices which required negative supply to work. The regulator LM337T is capable of supplying...
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1.5A Negative Adjustable Power Supply
Components List: Resistors (0.25W, 5%) R1 = 330 R2 = 1K VR1 = 10K 10-turn trimpot Capacitors C2,4 = 100nF ceramic C12 = 200uF 50V electrolytic C3,5 = 10uF 63V electrolytic Semiconductors D1-6 = 1N5403...
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Nicad Battery Zapper
This Nicad Battery zapper circuit clears internal shorts in nickel-cadmium batteries by burning them away. Nicad Battery Zapper Parts list : Resistor : 220 ohm, 1 K ohm, 8K2 ohm, 3K9 ohm Dioda :...
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5V / 4A Regulator Circuit
This is the other power supply regulator circuit, is different from the previous circuit, this using IC op amp quad type MC 3401 operational amplifier from Motorola. Here is also used NPN Epitaxial...
View ArticleClik here to view.
Low Voltage Regulators with Short Circuit Protection
These Low Voltage regulators with short circuit protection can provide 6, 7.5, and 9 V from an automobile battery supply of 13.5 V nominal, however, they will function just as well if connected to a...
View ArticleClik here to view.
5000VDC Output from 230 VAC Input, with Diode Voltage Multiplier / Capacitor
This High voltage power supply can generate voltage of 5000 volts DC from 230 Vac line voltage . Its main purpose is the production of negative ions. WARNNG! The explanations given here are for people...
View ArticleClik here to view.
Dual Polarity Power Supply +/- 15V based Transistors
This Dual supply circuit is suitable for installation of power analog (audio or measurement), it provides a bipolar voltage with voltage source between 20 and 50 V (in audio power amp, for example)....
View ArticleClik here to view.
Dual Output Power Supply +/-53V / 3A based on Transistors
This is the circuit diagram of dual output power supply +/-53V / 3A based on transistors. This circuit has been designed for audio amplifier power supply requires a symmetrical + / -53 V (+ / -56 V...
View ArticleClik here to view.
Simple LCD Power Supply
Laptop display commonly apply large screen Lcds, which generally will need a adjustable and a negative supply to ensure highest possible contrast. This circuit works with the system’s positive...
View ArticleClik here to view.
Symmetric 12V to 5V converter
With this simple DC voltage converter circuit we can reduce 12v to 5v symmetric voltage and can use existing resources. Here used 3-Terminal Adjustable Regulator LM317 for positive regulation and...
View ArticleClik here to view.
Triple Output DC Power Supply
This is the circuit diagram of triple output power supply. The output given are: Adjustable output +1.25V to +20VDC Splited / dual polarity output +12VDC and -12VDC Splited / dual polarity output...
View ArticleClik here to view.
1.5A Negative Adjustable Power Supply
This is the circuit diagram of negative adjustable power supply based LM337T. This circuit can be used for devices which required negative supply to work. The regulator LM337T is capable of supplying...
View Article
