參數(shù)資料
型號: PSF21911
廠商: SIEMENS A G
元件分類: 數(shù)字傳輸電路
英文描述: ISDN Echocancellation Circuit for Terminal Applications IEC-Q TE
中文描述: DATACOM, ISDN ECHO CANCELLER
文件頁數(shù): 111/164頁
文件大小: 1401K
代理商: PSF21911
PSB 21911
PSF 21911
External Circuitry
Semiconductor Group
111
11.97
3.4.3
Oscillator Circuit
Figure 45
illustrates the recommended oscillator circuit. A crystal or an oszillator signal
may be used.
Figure 45 Crystal Oscillator or External Clock Source
Crystal Parameters
Frequency:
Load capacitance:
Frequency tolerance:
Resonance resistance:
Max. shunt capacitance: 7 pF
Oszillator mode:
15.36 MHz
20 pF +/- 0.3pF
60 ppm
20
fundamental
External Oscillator
Frequency:
Frequency tolerance:
15.36 MHz
80 ppm
ITS09718
XOUT
XIN
N.C.
External
Oscillator
Signal
15.36 MHz
15.36 MHz
27 pF
27 pF
XOUT
XIN
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