VLSI Design

Research Article

An FFT Core for DVB-T/DVB-H Receivers

Figure 12

SNR for different values of data bitwidth (dbw) and twiddle factor bitwidth (tbw) for (a) 𝑁 = 2 K , (b) 𝑁 = 4 K , and (c) 𝑁 = 8 K .
610420.fig.012a
(a) SNR of the 2K FFT
610420.fig.012b
(b) SNR of the 4K FFT
610420.fig.012c
(c) SNR of the 8K FFT