Technical Electronics Engineering Dictionary
"A" "B" "C", "D", "E", "F", "G", "H", "I", "J", "K", "L", "M",
"N", "O", "P", "Q", "R", "S", "T", "U", "V", "W", "X", "Y", "Z"

"I" to Inc, "Ind" to Inj, "Inp" to Ins, "Int", 'Inv to Iz'

Inverse Feedback. Also called degenerative feedback, and may also be referred as Negative feedback.

Inversely. Inverted or reversed in position or relationship.

Invert. To change a physical or logical state to its opposite state.

Inverter. A circuit with one input and one output. Its function is to invert or reverse the input. When the input is high, the output is low, and vice versa. The inverter is sometimes called a NOT circuit, since it produces the reverse of the input [7405 Inverter].

Glue Logic Inverter

A device for converting direct current into alternating current.

Inverting Amplifier. A circuit that inverts the input signal. The operational amplifier shown will invert the incoming signal and provide gain based in the ratio of Rf and Ri. Circuit diagram shown below.

IO Bank. A group of Input/Output pins on an FPGA that work with their own power and ground pins, which are separate from power pins used by other I/O Banks. The number of I/O pins in a bank is determined by the IC and has no set number. Each I/O bank has separate leads for power and ground. Bank 0 uses Vcc0, Bank 1 uses Vcc1 and so on. Having different power pins reduces the chance that one I/O bank will effect another I/O bank while switching. I/O banks are intended to reduce Ground Bounce.

Ionization. The process of producing ions. The electrically charged particles produced by high-energy radiation, such as light or ultraviolet rays, or by the collision of particles during thermal agitation.

Ionization Point. The potential required to ionize the gas of a gas-filled tube. Sometimes called firing potential.

Ionize. To make an atom or molecule of an element lose an electron, as by X-ray bombardment, and thus be converted into a positive ion. The free electron may attach itself to a neutral atom or molecule to form a negative ion.

Ionosphere. The most important region of the atmosphere extending from 31 miles to 250 miles above sea level. Contains four cloud-like layers that affect radio waves.

Ionospheric Storms. Disturbances in the earths magnetic field that make communications practical only at lower frequencies.

Iris. A metal plate with an opening through which electromagnetic waves may pass. Used as an impedance-matching device in waveguides. [Waveguide Manufacturers]

ISDN. Integrated Services Digital Network. An integrated digital network in which the same time-division switches and digital transmission paths are used to establish connections for different services. [ISDN Description]

Isochronous. Of a periodic signal, pertaining to transmission in which the time interval separating any two corresponding transitions is equal to the unit interval [data is sent at regular intervals] or to a multiple of the unit interval.

Isochronous Distortion. The difference between the measured modulation rate and the theoretical modulation rate in a digital system.

Isolation. The prevention of unwanted interaction or leakage between components. The RF leakage from the path in use to another device outside the path.

Isolation Amplifier. An amplifier placed between two circuits to lessen the effect one circuit has on the other. Some times called a buffer amplifier. An isolation amplifier could be a unity gain amplifier, or buffer circuit.

Non-Inverting Op-Amp configured as an Isolation amplifier

Isolation Diode. A diode used to only allow signals to pass in one direction and blocking signals in the other direction. A diode used in a circuit to block reverse surges and spikes.

Isolation Network. A network or circuit inserted between two circuits to prevent interaction between the circuits.

Isolation Transformer. A transformer used to connect a device or circuit to its power supply. A safety transformer which provides power with out having a wire connection between the circuit and supply. Also refer to the Transformer Terms Dictionary.

Isolator. A device or material used to reduce the severity of applied shock and/or vibration to a packaged item. An RF device which allows microwave energy to pass in one direction, but absorbs RF power in the reverse direction. Also see Manufacturers of RF Isolator Components.

Isotropic Radiation. The radiation of energy equally in all directions.

PC motherboard

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