Cirrus Logic CS4955 - Manual (Page 29)

CS4954 CS4955
DS278F6 29
6. FILTER RESPONSES
0 1 2 3 4 5 6
x 10
6
-70
-60
-50
-40
-30
-20
-10
0
1.3 Mhz. filter frequency response
magnitude - dB
frequency (Hz)
Figure 14. 1.3 MHz Chrominance low-pass filter transfer
characteristic
Figure 15. 1.3 MHz Chrominance low-pass filter transfer
characterstic (passband)
0 2 4 6 8 10 12
x 10 5
-0.5
-0.4
-0.3
-0.2
-0.1
0
1.3 Mhz. filter passband response
magnitude - dB
frequency (Hz)
0 1 2 3 4 5 6
x 10
6
-30
-25
-20
-15
-10
-5
0
650 Khz. filter frequency response
magnitude - dB
Figure 16. 650 kHz Chrominance low-pass filter transfer
characteristic
Figure 17. 650 kHz Chrominance low-pass filter transfer
characteristic (passband)
0 2 4 6 8 10 12
x 10
5
-3
-2.5
-2
-1.5
-1
-0.5
0
650 Khz. filter passband response
magnitude - dB