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Chapter 9

Frequency Response

Сетевая функция цепи
Сетевая функция цепи
The frequency response of a circuit, which characterizes its behavior with varying signal frequency, can be analyzed using the transfer or network ...
Частотная характеристика цепи
Частотная характеристика цепи
Consider an inductive circuit in the time domain. The equivalent frequency domain circuit is obtained by replacing the resistance and inductance with ...
Прибыль
Прибыль
In communication systems, gain quantifies the extent of signal amplification or attenuation. Power gain denotes the common logarithm of the ratio of ...
Графики Боде
Графики Боде
Consider an electrocardiogram unit that utilizes a low-pass filter with a complex network function represented by its magnitude and phase angle. The ...
Передаточная функция и графики Боде-I
Передаточная функция и графики Боде-I
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 ...
Передаточная функция и графики Боде-II
Передаточная функция и графики Боде-II
Consider the transfer function in its standard form, with poles and zeros For a transfer function with a simple zero, the magnitude gain at small ...
Строительство участков Bode
Строительство участков Bode
Tissue electrodes in electrocardiograms (E-C-G) establish a conductive pathway for electrical currents between the tissues and the measuring electrodes, ...
Серия Резонанс
Серия Резонанс
Consider a radio tuner that precisely selects a signal of a particular frequency. The tuner consists of a series-connected resistor, capacitor, and ...
Характеристики последовательного резонансного контура
Характеристики последовательного резонансного контура
Consider a radio transmitter unit that incorporates an RLC series resonance band-pass filter. This circuit's frequency response indicates that the ...
Параллельный резонанс
Параллельный резонанс
Consider an AM radio tuner comprising a parallel connection of a resistor, capacitor, and inductor, which collectively contribute to the circuit's ...
Частотная характеристика схем операционного усилителя
Частотная характеристика схем операционного усилителя
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 ...
Пассивные фильтры
Пассивные фильтры
Consider an audio speaker system with filter circuits. These circuits selectively pass desired frequencies while attenuating others, limiting signals to a ...
Активные фильтры
Активные фильтры
Certain passive filters incorporate expensive inductors designed not to exceed unity gain. These filters may exhibit reduced attenuation efficacy at ...
Масштабирование
Масштабирование
Magnitude and frequency scaling simplifies filter design by calibrating filter responses and circuit parameters to fit within usable ranges. Magnitude ...
Пример проекта
Пример проекта
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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