參數(shù)資料
型號(hào): TDA8709AT-T
廠(chǎng)商: NXP SEMICONDUCTORS
元件分類(lèi): 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PDSO28
文件頁(yè)數(shù): 13/28頁(yè)
文件大小: 126K
代理商: TDA8709AT-T
June 1994
20
Philips Semiconductors
Product specication
Video analog input interface
TDA8709A
Fig.18 Example of an economical low-pass filter for U and V 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
MSA677
27 pF
2.2 k
1 pF
180
H
ANOUT
(pin 19)
ADCIN
(pin 20)
Vo
V i
VCCA
(pin 22)
680
Fig.19 Frequency response for filter shown in
Fig.18.
handbook, halfpage
010
30
0
20
60
80
40
MSA679
20
f (MHz)
α
(dB)
Characteristics of Fig.19
Order 3; adapted CHEBYSHEV
Ripple ρ≤ 0.3 dB
f = 2.8 MHz at 3dB
fnotch = 11.9 MHz.
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