參數(shù)資料
型號: TUA4300G
廠商: SIEMENS A G
元件分類: 接收器
英文描述: AM/FM, AUDIO SINGLE CHIP RECEIVER, PQFP64
封裝: MQFP-64
文件頁數(shù): 29/38頁
文件大?。?/td> 393K
代理商: TUA4300G
FS: 04/93
Page 36
SIEMENS AG
IC-SPECIFICATION
TUA 4300 G
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Diagrams
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The reproduction, transmission or use of this document or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created
by patent grant or registration of a utility model or design, are reserved.
HL DOK
V66047-S695-G100-G1
12.11.96
VF Characteristic
30
50
70
90
110 ViIF (dBV)
VF
VF - Dynamic
VF - Dynamic :The dynamic range of VF voltage is determined by
the test points M1 through M4 as follows:
M1: test point (at ViIF= 50 dBV) supplies VF (M1)
M2: test point (at ViIF= 90 dBV) supplies VF (M2)
M3: test point (at ViIF= 20 dBV) supplies VF (M3)
M4: test point (at ViIF=120 dBV) supplies VF (M4)
Hence follows :
VF (M4) - VF (M2)
MVFmax:= 90 dBV + ––––––––––––––––– × 40 dB
VF (M2) - VF (M1)
VF (M1) - VF (M3)
MVFmin:= 50 dBV - ––––––––––––––––– × 40 dB
VF (M2) - VF (M1)
VF - Dynamic = MVFmax - MVFmin
M 2
M 1
M 3
M 4
MVFmin
MVFmax
D1
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