saa4977h NXP Semiconductors, saa4977h Datasheet - Page 10

• Manufacturer Part Number: saa4977h
• Description: Video Processing
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2000 May 25
handbook, full pagewidth
Besic
(1) dcti_ddx_sel = 1.
(2) dcti_ddx_sel = 0.
(1) input signal.
(2) gain = 1.
(3) gain = 3.
(4) gain = 5.
(5) gain = 7.
Fig.3 DCTI first differentiating filter; transfer function with variation of control signal dcti_ddx_sel.
amplitude
digital
signal
500
400
300
200
100
100
200
300
400
500
0
handbook, halfpage
amplitude
signal
Fig.4 DCTI with variation of gain setting (limit = 1).
0.8
0.6
0.4
0.2
1
0
0
0.05
(1)
0.1
10
(2)
0.15
(5)
(4)
0.2
MGM689
f/f s
(3)
0.25
(2)
(1)
samples
MGM690
Preliminary specification
SAA4977H