參數(shù)資料
型號: TDA8709A
廠商: NXP SEMICONDUCTORS
元件分類: 消費家電
英文描述: Video analog input interface
中文描述: SPECIALTY CONSUMER CIRCUIT, PDIP28
封裝: PLASTIC, SOT-117-1, DIP-28
文件頁數(shù): 17/28頁
文件大小: 170K
代理商: TDA8709A
June 1994
17
Philips Semiconductors
Product specification
Video analog input interface
TDA8709A
Fig.12 Example of a low-pass filter for RGB and C signals.
This filter can be adapted to various applications with respect to performance requirements. An input and output impedance of at least 680
and 2.2 k
must in any event be applied.
handbook, full pagewidth
MBB953 - 1
27 pF
68 pF
27 pF
2.2 k
12 pF
12 pF
22
μ
H
22
μ
H
ANOUT
(pin 19)
ADCIN
(pin 20)
Vo
Vi
VCCA
(pin 22)
680
Fig.13 Frequency response for filter shown in
Fig.12.
handbook, halfpage
α
(dB)
0
10
30
40
120
160
80
MSA682
20
f (MHz)
Characteristics of Fig.13
Order 5; adapted CHEBYSHEV
Ripple
ρ ≤
0.4 dB
f = 6.5 MHz at
3 dB
f
notch
= 9.65 MHz.
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