參數(shù)資料
型號: TDA9897HL/V3
廠商: NXP SEMICONDUCTORS
元件分類: 消費家電
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
文件頁數(shù): 92/103頁
文件大小: 529K
代理商: TDA9897HL/V3
TDA9897_TDA9898_4
NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 04 — 25 May 2009
89 of 103
NXP Semiconductors
TDA9897; TDA9898
Multistandard hybrid IF processing
Fig 45. Typical synthesizer loop lter voltage as function of synthesizer frequency
fsynth = 40 MHz; fIF = 44 MHz; sound BP off
(1)
f = 100 kHz.
(2)
f = 10 kHz.
(3)
f = 1 kHz.
Fig 46. Typical synthesizer phase noise at carrier frequency plus
f on LIF output versus
input voltage on pin FREF
fsynth (MHz)
20
60
50
30
40
001aaj601
1.5
2.0
2.5
VLFSYN2
(V)
1.0
Vi(FREF)(RMS) (mV)
0
500
400
200
300
100
001aaj600
85
95
105
n(synth)
(dBc/Hz)
75
(1)
(2)
(3)
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