The unit of time is 1 microsecond. (a) Find the transfer function Â(ƒ) and show that the maximum value of the amplitude gain Ĥ(f)| occurs at f = 0. -3. (b) Find the 3 dB cutoff frequency fo (in Hz). That is, find fo such that 10 log10 (0) (c) What happens to the amplitude and phase of a sinusoid at 500 KHz when it is passed through the filter? (d) What happens to the amplitude and phase of a sinusoid at 4 MHz when it is passed through the filter?
The unit of time is 1 microsecond. (a) Find the transfer function Â(ƒ) and show that the maximum value of the amplitude gain Ĥ(f)| occurs at f = 0. -3. (b) Find the 3 dB cutoff frequency fo (in Hz). That is, find fo such that 10 log10 (0) (c) What happens to the amplitude and phase of a sinusoid at 500 KHz when it is passed through the filter? (d) What happens to the amplitude and phase of a sinusoid at 4 MHz when it is passed through the filter?
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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pleease have step by step solution for each part and explain. also i dont understand what to do with -3Db cutoff frequency.
Transcribed Image Text:Consider a filter with impulse response
h(t) = 8met10,00) (t)
The unit of time is 1 microsecond.
(a) Find the transfer function Ĥ(ƒ) and show that the maximum value of the amplitude gain
|Ĥ(f) occurs at f = 0.
(b) Find the 3 dB cutoff frequency fo (in Hz). That is, find fo such that 10 log10
|Ĥ(fo)|²
= -3.
(c) What happens to the amplitude and phase of a sinusoid at 500 KHz when it is passed through
the filter?
(d) What happens to the amplitude and phase of a sinusoid at 4 MHz when it is passed through
the filter?
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