參數(shù)資料
型號(hào): TDA9897HL/V3
廠商: NXP SEMICONDUCTORS
元件分類(lèi): 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP48
封裝: 7 X 7 MM, 1.40 MM HEIGHT, PLASTIC, MS-026, SOT313-2, LQFP-48
文件頁(yè)數(shù): 77/103頁(yè)
文件大?。?/td> 529K
代理商: TDA9897HL/V3
TDA9897_TDA9898_4
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 04 — 25 May 2009
75 of 103
NXP Semiconductors
TDA9897; TDA9898
Multistandard hybrid IF processing
(1) Center frequency.
(2) Minimum upper cut-off frequency.
(3) Minimum lower cut-off frequency.
(4) Maximum upper cut-off frequency.
(5) Maximum lower cut-off frequency.
(6) Minimum upper stop-band attenuation.
(7) Minimum lower stop-band attenuation.
Fig 31. Typical sound BP amplitude frequency response at TV mode, normalized to BP
center frequency
(1) FM; transmitter pre-correction off and receiver de-emphasis off; FM PLL lter: Rs = 5.6 k and
Cpar =47pF.
(2) AM and AGC normal.
(3) AM and AGC fast.
Fig 32. Typical AM and FM audio frequency response
f
fc (MHz)
3.0
1.0
2.0
0
2.0
001aaf579
30
10
20
40
10
0
αresp(f)
(dB)
50
(7)
(5)
(3)
(2)
(1)
(4)
(6)
001aaj633
fAF (kHz)
10
105
104
102
103
10
20
0
10
Vo(AF)
(dB)
30
(2)
(1)
(2) (3)
(1)
(3)
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