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Audio Crossover Circuits - Essay Example

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Audio Crossover Circuits

Analysis of first order crossover The first order cross over circuits is designed with the use of passive components, which include the resistors, capacitors as well as inductors. The passive components are used in conditioning the signal to obtain a specific result. The components are useful in the analysis and control of the signal. There are a number of designs of the circuits that is sued to condition the audio output of the circuits. Different configurations of the first order circuits have different results in terms of signal conditioning. In the audio crossover circuits, the circuits are specific to a selected frequency range, thereby introducing the elements of damping and rectification among others. The first configuration of the first order cross over audio circuits involves the use of a capacitor as the conditioner of the signal fed in the circuit. The capacitor plays a huge role in the circuit for it acts as a voltage regulator by storing charge. It stabilizes the voltage that is passed within the circuit. The speaker that is used in the circuit is represented as an inductor. The use of a speaker in signal conversion must involve the consideration of the inductance that is created by the use of a coil in the speaker design. The characteristics of the capacitor as what that govern the operation of the circuit. In this case, the capacitor characteristics when a voltage (V) is applied at the terminals of the capacitance in series with the inductor results to a particular waveform, which indicates the frequency, voltage, and gain patterns that are associated with the circuit. The graph above shows how the capacitor influences the audio crossover circuit. From the graph, a change in the frequency results to a change in the response of the capacitor after a specific sharp spike. The input voltage as well as the frequency of the circuit indicates that there is a break point that the circuit has to follow so as to get the most out of the circuit. The characteristic of the graph shows that the capacitor has an optimal value under which performance is at its peak. These elements of the capacitor are of great necessity in the operations of the circuit for they determine the inputs as well as the outputs of the given design. In this circuit, the curve after the peak is as a result of the increasing conductivity that is associated with a time based charge supply across the capacitor terminals. In the second configuration of the first order audio cross over circuit, the capacitor is supported by the addition of a resistor in parallel with the speaker. In the circuit, the use of the resistor in parallel to the speaker acts as a form of damper and thus conditioning the signal in the circuit by damping. The inductor provides some resistance in operation, which is known as impedance, which in electronics is regarded as imaginary resistance in an inductor. Some of the current in the system passes through the resistor, which branches from the current directed, to the speaker. The voltage across the speaker and the resistor in the system remains the same, but the resistor helps in dissipation of any residual current that the circuit might operate. In this scenario, spikes that might be associated with inconsistency with the power supply can be resolved by the use of the ...Show more


AUDIO CROSSOVER CIRCUITS Name Class: Lecturer: Institution: Address: Date: AUDIO CROSSOVER CIRCUITS Introduction The audio cross over circuit is used with speakers in the audio vocal range. The circuit is composed of several components, precisely inductors that are connected in series, which are then coupled to capacitors with the aim of creating a low pass crossover circuit…
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Audio Crossover Circuits essay example
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