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Chapter 9

Frequency Response

Funzione di rete di un circuito
Funzione di rete di un circuito
The frequency response of a circuit, which characterizes its behavior with varying signal frequency, can be analyzed using the transfer or network ...
Risposta in frequenza di un circuito
Risposta in frequenza di un circuito
Consider an inductive circuit in the time domain. The equivalent frequency domain circuit is obtained by replacing the resistance and inductance with ...
Risposta in frequenza
Risposta in frequenza
In communication systems, gain quantifies the extent of signal amplification or attenuation. Power gain denotes the common logarithm of the ratio of ...
Diagrammi di Bode
Diagrammi di Bode
Consider an electrocardiogram unit that utilizes a low-pass filter with a complex network function represented by its magnitude and phase angle. The ...
Risposta in frequenza
Risposta in frequenza
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 ...
Risposta in frequenza
Risposta in frequenza
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 ...
Risposta in frequenza
Risposta in frequenza
Tissue electrodes in electrocardiograms (E-C-G) establish a conductive pathway for electrical currents between the tissues and the measuring electrodes, ...
Risonanza in Serie
Risonanza in Serie
Consider a radio tuner that precisely selects a signal of a particular frequency. The tuner consists of a series-connected resistor, capacitor, and ...
Risposta in Frequenza
Risposta in Frequenza
Consider a radio transmitter unit that incorporates an RLC series resonance band-pass filter. This circuit's frequency response indicates that the ...
Risposta in Frequenza
Risposta in Frequenza
Consider an AM radio tuner comprising a parallel connection of a resistor, capacitor, and inductor, which collectively contribute to the circuit's ...
Risposta in Frequenza
Risposta in Frequenza
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 ...
Risposta in Frequenza
Risposta in Frequenza
Consider an audio speaker system with filter circuits. These circuits selectively pass desired frequencies while attenuating others, limiting signals to a ...
Risposta in Frequenza
Risposta in Frequenza
Certain passive filters incorporate expensive inductors designed not to exceed unity gain. These filters may exhibit reduced attenuation efficacy at ...
Risposta in Frequenza
Risposta in Frequenza
Magnitude and frequency scaling simplifies filter design by calibrating filter responses and circuit parameters to fit within usable ranges. Magnitude ...
Risposta in Frequenza
Risposta in Frequenza
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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