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Chapter 9

Frequency Response

 Função de Rede de um Circuito
 Função de Rede de um Circuito
The frequency response of a circuit, which characterizes its behavior with varying signal frequency, can be analyzed using the transfer or network ...
Resposta em Frequência de um Circuito
Resposta em Frequência de um Circuito
Consider an inductive circuit in the time domain. The equivalent frequency domain circuit is obtained by replacing the resistance and inductance with ...
 Resposta de Frequência
 Resposta de Frequência
In communication systems, gain quantifies the extent of signal amplification or attenuation. Power gain denotes the common logarithm of the ratio of ...
Gráficos de Bode
Gráficos de Bode
Consider an electrocardiogram unit that utilizes a low-pass filter with a complex network function represented by its magnitude and phase angle. The ...
Resposta de Frequência
Resposta de Frequência
Consider the transfer function of a system expressed in standard form. The transfer function has a constant gain, a zero and a pole at the origin, a ...
Resposta de Frequência
Resposta de Frequência
In the standard form, the transfer function is shown in constant gain, poles/zeros at origin, simple poles/zeros, and quadratic poles/zeros; each ...
Resposta de Frequência
Resposta de Frequência
Tissue electrodes in electrocardiograms (E-C-G) establish a conductive pathway for electrical currents between the tissues and the measuring electrodes, ...
 Ressonância em Série
 Ressonância em Série
Consider a radio tuner that precisely selects a signal of a particular frequency. The tuner consists of a series-connected resistor, capacitor, and ...
Resposta de Frequência
Resposta de Frequência
Consider a radio transmitter unit that incorporates an RLC series resonance band-pass filter. This circuit's frequency response indicates that the ...
 Resposta de Frequência
 Resposta de Frequência
Consider an AM radio tuner comprising a parallel connection of a resistor, capacitor, and inductor, which collectively contribute to the circuit's ...
Resposta de Frequência
Resposta de Frequência
Consider a guitar pickup connected to a buffer amplifier. This buffer amplifier, with a non-inverting op-amp, bridges the guitar's high impedance and ...
Resposta de Frequência
Resposta de Frequência
Consider an audio speaker system with filter circuits. These circuits selectively pass desired frequencies while attenuating others, limiting signals to a ...
Resposta de Frequência
Resposta de Frequência
Active filters are electronic circuits that use operational amplifiers (op-amps), resistors, and capacitors to filter out unwanted frequency components ...
Resposta de Frequência
Resposta de Frequência
Magnitude and frequency scaling simplifies filter design by calibrating filter responses and circuit parameters to fit within usable ranges. Magnitude ...
 Resposta de Frequência
 Resposta de Frequência
An engineer designs a circuit for a speaker system with a 2 kHz crossover frequency requirement, considering the speaker's resistance of 8 ohms. The ...
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