Centi (10^-2)

Capacitance or capacitor

Computer aided design

Group of two or more insulated wires.

To adjust the correct value of a reading by comparison to a standard.

The ability of a capacitor to store an electrical charge. The basic unit of capacitance is the Farad.

The opposition to current flow provided by a capacitor. Capacitive reactance is measured in ohms and varies inversely with frequency.

An electronic component having capacitive reactance.

Microphone whose operation depends on variations in capacitance caused by varying air pressure on the movable plate of a capacitor.

Device made by depositing a thin carbon film on a ceramic form.

Microphone whose operation depends on pressure variation in carbon granules causing a change in resistance.

Resistor of fixed value made by mixing carbon granules with a binder which is moulded and then baked.

A high frequency amplifier made up of a common-source amplifier with a common-gate amplifier in its drain network.

The negative terminal electrode of a device. The "N" material in a junction diode.

(CRT) Vacuum tube used to display data in a visual form. Picture tube of a television or computer terminal.

Computer aided manufacture

Cable TV

Common base configuration

Citizen's band

Common collector

Common emitter

Single unit used to convert chemical energy into a DC electrical voltage.

Frequency to which an amplifier is tuned. The frequency half way between the cut-off frequencies of a tuned circuit.

Midway connection between the two ends of a winding.

Circuit that make use of a center tapped transformer and two diodes to provide full wave rectification.

A transformer with a connection at the electrical center of a winding.

Capacitor in which the dielectric is ceramic.

Quantity of electrical energy.

Current that flows to charge a capacitor or battery when voltage is applied.

Metal box or frame into which components are mounted.

Connection to a chassis.

A type of active filter characterized by high roll-off rates (40 dB per decade per pole) and midband gain that is not constant.

Inductor used to oppose the flow of alternating current.

Interconnection of components to provide an electrical path between two or more components.

A protective device used to open a circuit when current exceeds a maximum value. In effect a reusable fuse.

A diode circuit used to change the DC level of a waveform without distorting the waveform.

A variation of the Colpitts oscillator. An added capacitor is used to eliminate the effects of stray capacitance on the operation of the basic Colpitts oscillator.

A linear amplifier biased so the active device conducts through 360 degrees of the input waveform.

An amplifier with two active devices. The active components are biased so that each conducts for approximately 180 degrees of the input waveform cycle.

An amplifier in which the active device conducts for less than 180 degrees of the input waveform cycle.

A diode circuit used to eliminate part of a waveform

Distortion caused by overdriving an amplifier.

A square waveform used for synchronizing and timing of several circuits.

Circuit having a complete path for current flow.

Gain of an amplifier when a feedback path is present.

Centimeter

Circular mil

Transmission line in which the signal carrying conductor is covered by a dielectric and another conductor.

The degree of coupling between two circuits.

(H) Magnetizing force needed to reduce residual magnetism in a material to zero.

The semiconductor region in a bipolar junction transistor through which a flow of charge carriers leaves the base region.

A graph of collector voltage over collector current for a given base current.

Set of colors used to indicate value of a component.

An oscillator with a pair of tapped capacitors in the feedback network.

A multi-segment light emitting diode (LED) with a single positive voltage input connection. Separate cathode connections are provided for each individual segment.

A multi-segment light emitting diode (LED) with a single negative voltage input connection. Separate anode connections are provided for each individual segment.

A BJT circuit in which the base connection is common to both input and output.

A BJT circuit in which the collector connection is common to both input and output.

A FET circuit in which the drain connection is common to both input and output.

A BJT circuit in which the emitter connection is common to both input and output.

A FET circuit in which the gate connection is common to both input and output.

A FET circuit in which the source connection is common to both input and output.

(CMRR) The ratio of op-amp differential gain to common-mode gain. A measure of an op-amp's ability to reject common-mode signals such as noise.

Signals that appear simultaneously at two inputs of an operational amplifier (op-amp). Common mode signals are always equal in amplitude and phase.

An op-amp circuit that compares two inputs and provides a DC output indicating the polarity relationship between the inputs.

A class B amplifier using matched complementary transistors. Does not require a phase inverter for push-pull output.

Two transistors, one NPN and one PNP having near identical characteristics. N-channel and P-channel FETs can also be complementary.

Numbers composed of a real number part and an imaginary number part.

The maximum possible peak-to-peak output of an amplifier.

Circuit used to maintain constant current to a load having resistance that changes.

Current carrying part of a switch, relay or connector.

Occurs when a complete path for current exists.

Concept of current produced by the movement of positive charges towards the negative terminal of a source.

Power lost in transformers, generators, connecting wires and other parts of a circuit due to current flow through the resistance of copper conductors.

Magnetic material within a coil used to concentrate the magnetic field.

Unit of electric charge. A negative coulomb charge consists of 6.24 × 10¹⁸ electrons.

(counter emf) Voltage induced into an inductor due to an alternating or pulsating current. Counter emf is always in polarity opposite to that of the applied voltage. Opposing a change of current.

To electronically connect two circuits so that signal will pass from one to the other.

The way some atoms complete their valence shells by sharing valence electrons with neighboring atoms.

Central processing unit

Distortion caused by both devices in a class B amplifier being cut-off at the same time.

Circuit used to protect the output of a source from a short circuited load. Load current is limited to a value the source can deliver without damage.

Abbreviation for cathode ray tube.

Natural or synthetic piezoelectric or semiconductor material with atoms arranged with some degree of geometric regularity.

Oscillator that uses a quartz crystal in its feedback path to maintain a stable output frequency.

Junction diode

Cathode ray oscilloscope

Total capacitance

Measured in amperes, it is the flow of electrons through a conductor. Also know as electron flow.

Amplifier to increase signal current.

Parallel network designed to divide the total current of a circuit

Feedback configuration where a portion of the output current is fed back to the amplifier input.

Resistor in the path of current flow to control the amount of current drawn by a device.

Term used to describe the fact that DC current through the base circuit of a class B amplifier is approximately equal to the DC collector current.

Condition when an active device is biased such that output current is near zero or beyond zero.

Frequency at which the power gain of an amplifier falls below 50% of maximum.

Continuous transmission

When a repeating wave rises from zero to a positive maximum then back to zero and on to a negative maximum and back to zero it is said to have completed one cycle.