Analog circuits

signal where the time-varying feature is an analogous representation of some other time-varying quantity

electronic systems with a continuously variable signal

A multivibrator is an electronic circuit used to implement a variety of simple two-state devices such as relaxation oscillators, timers, latches and flip-flops. The first multivibrator circuit, the astable multivibrator oscillator, was invented by Henri Abraham and Eugene Bloch during World War I. It consisted of two vacuum tube amplifiers cross-coupled by a resistor-capacitor network. They called their circuit a "multivibrator" because its output waveform was rich in harmonics. A variety of active devices can be used to implement multivibrators that produce similar harmonic-rich wave forms; t

electrical circuit consisting of a resistor, an inductor and a capacitor, connected in series or in parallel

linear circuit that produces an output voltage that is a fraction of its input voltage

regulator, designed to automatically maintain a constant voltage level;may: use a simple feed-forward design or include negative feedback, use an electromechanical mechanism or electronic components

stability mechanism which occurs when some function of the output of a system, process, mechanism is fed back in a manner that tends to reduce the fluctuations in the output, whether caused by changes in the input or by other disturbances

electric circuit consisting of an inductor and a capacitor

electrical element which maintains a fixed voltage across its two terminals, regardless of current

electric circuit composed of resistors and capacitors driven by a voltage or current source

electrical component that conducts a fixed current, independent of the voltage across it

used to stabilize the current flow in lamps

a dynamic system's output when inputted with a brief input signal, used to parameterize the dynamic behavior of the system

patented by Murat Koksal turkish scientist born in Ankara 1972

device

increase in the equivalent input capacitance of an inverting voltage amplifier

electronic circuit to automatically adjust signal strength

consisting of a resistance and an inductance

type of electronic filter circuitry for audio applications, especially for loudspeaker boxes; thereby mostly analog, very seldom digital

A gyrator is a passive, linear, lossless, two-port electrical network element proposed in 1948 by Bernard D. H. Tellegen as a hypothetical fifth linear element after the resistor, capacitor, inductor and ideal transformer. Unlike the four conventional elements, the gyrator is non-reciprocal. Gyrators permit network realizations of two-(or-more)-port devices which cannot be realized with just the four conventional elements. In particular, gyrators make possible network realizations of isolators and circulators. Gyrators do not however change the range of one-port devices that can be realized. A

a type of analog circuit implementing an electronic filter using active components, typically an amplifier

circuit designed to copy a current through one active device

Type of signal processing filter

frequency mixer, analog multiplier or logic circuit that generates a voltage signal which represents the difference in phase between two signal inputs; part of a phase-locked loop

electronic circuits obeying the superposition principle

type of electronic oscillator

electronic frequency mixer

time behavior

electronic circuit

process of creating equivalent circuits

amplifier that converts current to voltage

In electronics, a differentiator is a circuit that outputs a signal approximately proportional to the rate of change (i.e. the derivative with respect to time) of its input signal. Because the derivative of a sinusoid is another sinusoid whose amplitude is multiplied by its frequency, a true differentiator that works across all frequencies can't be realized (as its gain would have to increase indefinitely as frequency increase). Real circuits such as a 1-order high-pass filter are able to approximate differentiation at lower frequencies by limiting the gain above its cutoff frequency. An activ

complex measure of the attenuation (real part) and phase angle (imaginary part) along the path travelled by a plane wave

electrical circuit

device that multiplies two analog signals

filter used in signal processing on continuous-time signals

electrical component

diode connected across an inductor used to eliminate flyback (voltage spikes across inductive loads)

type of analog-digital conversion

reference voltage independent of temperature

ratio of impedance of a loudspeaker

electronic device

electrical circuits that are the dual of each other

type of analog-to-digital converter

electrical circuit

electronic test equipment

type of filter section based on the image-impedance design principle

combination of both analog machine and analog media

integrated device containing configurable analog blocks and interconnects between these blocks

right|170px|thumb|Nullator electronic symbol In electronics, a nullator is a theoretical linear, time-invariant one-port defined as having zero current and voltage across its terminals. Nullators are strange in the sense that they simultaneously have properties of both a short (zero voltage) and an open circuit (zero current). They are neither current nor voltage sources, yet both at the same time.

safety feature that cuts off or limits excessive electrical current

a circuit for summing or subtracting value of several input signals (voltages or currents)

time constant of an RC circuit

electronic filter designs that are used as a template to produce a modified filter design for a particular application

electrical circuit used to power a light-emitting diode

right|200px|thumb|Nullor electronic symbol (balanced version) right|200px|thumb|Nullor electronic symbol (unbalanced version)

right|170px|thumb|Norator electronic symbol In electronics, a norator is a theoretical linear, time-invariant one-port which can have an arbitrary current and voltage between its terminals. A norator represents a controlled voltage or current source with infinite gain.

equivalent circuit for impedance networks

load measures the source's voltage without affecting it

analog signal conditioning circuitry