Basic Electronics
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Difference Between NPN and PNP Transistor
What is the Main Differences between NPN & PNP Transistor? Transistors are the most abundantly used component in electronic devices. Transistors are mainly divided into two subtypes i.e. Bipolar Junction…
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Difference Between DIAC and TRIAC
Main Differences Between DIAC & TRIAC Regulating and controlling of the power supplied to a load is very important in order to reduce the wasting of energy and efficiently use…
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What is The Difference Between Transistor & Thyristor (SCR)?
Key Differences between Transistor and Thyristor “SCR” Switches are very extensively used in electrical and electronics engineering. Transistor and thyristor are both solid-state devices made of semiconductor material i.e. P-Type…
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Basic Voltage Doubler Circuit Diagram using 555 Timer IC
How to Make a Basic Voltage Doubler Circuit? As the name of the article suggests, today this article is to help design a circuit which at its output gives a…
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Dual Power Supply Circuit Diagram – 230VAC to ±12VDC
230 VAC to ±12 VDC Dual Power Supply Circuit As the name suggests, this circuit is designed to convert the mains supply voltage of around 220V AC into two voltages…
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Simple Cell Phone Charger Circuit Diagram – 5V from 230V AC
How to Make a Simple Cell Phone Charger – Circuit Diagram of 5V DC from 230V AC Have you ever thought about how a cell phone charger works or how…
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Active and Passive Frequency Filters – Formulas & Equations
Frequency Filters – Active and Passive Filters Equations and Formulas Frequency Filters: Passive Filters The type of frequency selecting circuits that are made of only passive components such as resistor,…
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Operational Amplifier (OP-AMP) – Formulas and Equations
Operational Amplifier (OP-AMP) Formulas Operational Amplifiers: Inverting Amplifier: The following terms are used in the formulas and equations for Operational Amplifies. Rf = Feedback resistor Rin = Input Resistor Vin = Input…
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Bipolar Junction Transistor (BJT) – Formulas and Equations
Formula & Equations for Bipolar Junction Transistor “BJT “ Bipolar Junction Transistor: Current Gains in BJT: There are two types of current gain in BJT i.e. α and β. Where…
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Diode Formulas & Equations – Zenner, Shockley & Rectifier
Shockley, Zenner & Diode Rectifier Formulas and Equations Diode Equation for I-V Curve The I-V curve (diode characteristic curve) can be find by the following no linear equations. This equation…
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