參數(shù)資料
型號: 935077580157
廠商: NXP SEMICONDUCTORS
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP80
封裝: PLASTIC, SOT-318, QFP-80
文件頁數(shù): 8/30頁
文件大小: 230K
代理商: 935077580157
1996 Oct 25
16
Philips Semiconductors
Preliminary specication
Progressive scan-Zoom and Noise
reduction IC (PROZONIC)
SAA4990H
Fig.9 Characteristic pre-filter TF2 (a = 0; b = 1).
TF2(z) = a z2 +bz+2c+bz1 +az2.
(1) c = 0.
(2) c = 1.
handbook, halfpage
25
20
15
10
5
0
(1)
(2)
5
10
15
1/4 fs
1/2 fs
MGE036
IH_TF2I
(dB)
Fig.10 Characteristic pre-filter TF2 (a = 1; c = 1).
TF2(z) = a z2 +bz+2c+bz1 +az2.
(1) b = 1.
(2) b = 0.
handbook, halfpage
25
20
15
10
5
0
(2)
(1)
5
10
15
1/4 fs
1/2 fs
MGE037
IH_TF2I
(dB)
Table 8
Fixed_k setting
Fixed_k SETTING [3:0]
k
HEX
DECIMAL
00
0
01
1
16
02
2
16
03
3
16
04
4
16
05
5
16
06
6
16
07
7
16
08
8
16
09
9
16
0A
10
16
0B
11
16
0C
12
16
0D
13
16
0E
14
16
0F
15
16
16
Table 9
Mult setting
MULT SETTING [1:0]
FACTOR
HEX
DECIMAL
00
1
01
2
02
4
03
8
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