Tag: voltage
Decibels
The decibel is the base-10 logarithm ratio used to express an increase or decrease in power, voltage, or current in…
Band Stop Filter
A band Stop Filter known also as a Notch Filter, blocks and rejects frequencies that lie between its two cut-off…
State Variable Filter
The state variable filter is a type of multiple-feedback filter circuit that can produce all three filter responses, Low Pass,…
Second Order Filters
Second Order (or two-pole) Filters consist of two RC filter sections connected together to provide a -40dB/decade roll-off rate. Second…
Butterworth Filter Design
In the previous filter tutorials we looked at simple first-order type low and high pass filters that contain only one…
Active Band Pass Filter
The principal characteristic of a Band Pass Filter or any filter for that matter is its ability to pass frequencies…
Capacitive Reactance
Capacitive Reactance is the complex impedance of a capacitor who’s value changes with respect to the applied frequency. In the…
Transformer Voltage Regulation
Transformer voltage regulation is the ratio or percentage value by which a transformers output terminal voltage varies either up or…
LED
Light Emitting Diodes or simply LED´s, are among the most widely used of all the different types of semiconductor diodes…
Zener Diode
A Semiconductor Diode blocks current in the reverse direction, but will suffer from premature breakdown or damage if the reverse…
Full Wave Rectifier
Power Diodes can be connected together to form a full wave rectifier that convert AC voltage into pulsating DC voltage…
Potentiometers
Potentiometers and Rheostats create a change in their resistive value when a connected shaft is physically rotated. Resistors provide a…
Resistors in AC Circuits
Resistors can also be used in Alternating Current supplies where the voltages, currents, and power being consumed are given in…
Resistor Power Rating
Electrical Power is absorbed by a resistance as it is the product of voltage and current with some resistances converting…
Potential Difference
The voltage difference between any two points in a circuit is known as Potential Difference and it is this potential…
Electrical Energy and Power
Electrical Energy supplies the power required to produce work or an action within an electrical circuit and is given in…
Current Dividers
Current Divider circuits have two or more parallel branches for currents to flow through but the voltage is the same…
Voltage Dividers
Voltage Divider circuits are used to produce different voltage levels from a common voltage source but the current is the…
Kirchhoff’s Voltage Law
Kirchhoff’s Voltage Law (KVL) is Kirchhoff’s second law that deals with the conservation of energy around a closed circuit path….
Voltage Sources
A Voltage Source is a device that generates an exact output voltage which, in theory, does not change regardless of…
Maximum Power Transfer
Maximum Power Transfer occurs when the resistive value of the load is equal in value to that of the voltage…
Nortons Theorem
Nortons theorem is an analytical method used to change a complex circuit into a simple equivalent circuit consisting of a…
Thevenin’s Theorem
Thevenin theorem is an analytical method used to change a complex circuit into a simple equivalent circuit consisting of a…
Nodal Voltage Analysis
Nodal Voltage Analysis finds the unknown voltage drops around a circuit between different nodes that provide a common connection for…
Mesh Current Analysis
Mesh Current Analysis is a technique used to find the currents circulating around a loop or mesh with in any…
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