PCT2303N DATA SHEET
DIGITAL FILTER CHARACTERISTICS
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Filter Plot Diagrams
For Figures 19, 20, 21, and 22, all filter plots apply to a sample rate of Fs = 8 kHz. The filters scale with the sample
rate as follows:
F(0.1 dB) = 0.4125 Fs
F(– 3 dB) = 0.45 Fs
where Fs is the sample frequency.
s
Input Frequency - kHz
Input Frequency - kHz
Figure 20 FIR Receive Filter Passband Ripple
Figure 19 FIR Receive Filter Response
Input Frequency - kHz
Input Frequency - kHz
Figure 22 FIR Transmit Filter Passband Ripple
Figure 21 FIR Transmit Filter Response
PC-TEL, Inc.
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2303N0DOCDAT10A-0899