1) Oscillator is widely used in the radio frequency circuits. It performs a simplicity application and better phase noise attributes. It is constructed by using passive elements such as resistors, inductors and capacitors. The oscillator basically contains two systems; square wave generator and filter as shown in Figure 1. Square wave generator is applied as an input signal to the oscillator. On the other hand, filter is applied to remove the certain frequencies from square wave in order to produce an output signal of sinusoidal frequency. One periodic square-wave signal is shown in Figure 2. Evaluate the Fourier coefficients for the signal. What is the expectation of the frequency spectrum of the sinusoidal output signal? Square-wave generator Various type of filter

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1) Oscillator is widely used in the radio frequency circuits. It performs a simplicity application
and better phase noise attributes. It is constructed by using passive elements such as resistors,
inductors and capacitors. The oscillator basically contains two systems; square wave generator
and filter as shown in Figure 1. Square wave generator is applied as an input signal to the
oscillator. On the other hand, filter is applied to remove the certain frequencies from square
wave in order to produce an output signal of sinusoidal frequency. One periodic square-wave
signal is shown in Figure 2. Evaluate the Fourier coefficients for the signal. What is the
expectation of the frequency spectrum of the sinusoidal output signal?
Various type
Square-wave
generator
of filter
Figure 1: Oscillator
x(t)
+t
-2T0
-T'o
-To/4 To/4
То
270
Figure 2: Square-wave signal
Transcribed Image Text:1) Oscillator is widely used in the radio frequency circuits. It performs a simplicity application and better phase noise attributes. It is constructed by using passive elements such as resistors, inductors and capacitors. The oscillator basically contains two systems; square wave generator and filter as shown in Figure 1. Square wave generator is applied as an input signal to the oscillator. On the other hand, filter is applied to remove the certain frequencies from square wave in order to produce an output signal of sinusoidal frequency. One periodic square-wave signal is shown in Figure 2. Evaluate the Fourier coefficients for the signal. What is the expectation of the frequency spectrum of the sinusoidal output signal? Various type Square-wave generator of filter Figure 1: Oscillator x(t) +t -2T0 -T'o -To/4 To/4 То 270 Figure 2: Square-wave signal
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