Finding the Frequency Response

Think of the filter expressed by Eq.(1.1) as a ``black box'' as depicted in Fig.1.5. We want to know the effect of this black box on the spectrum of , where represents the entire input signal (see §A.1).

Figure 1.5: ``Black box'' representation of an arbitrary filter

• Sine-Wave Analysis
• Mathematical Sine-Wave Analysis
• Amplitude Response
• Phase Response