psf21911 ETC-unknow, psf21911 Datasheet - Page 111

• Manufacturer Part Number: psf21911
• Description: Isdn Echocancellation Circuit Terminal Applications Iec-q
• Manufacturer: ETC-unknow

Semiconductor Group
3.4.3
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:
External Oscillator
Frequency:
Frequency tolerance:
Oscillator Circuit
27 pF
27 pF
15.36 MHz
15.36 MHz
20 pF +/- 0.3pF
60 ppm
20
fundamental
15.36 MHz
80 ppm
XOUT
XIN
111
15.36 MHz
External
Oscillator
Signal
N.C.
External Circuitry
ITS09718
XOUT
XIN
PSB 21911
PSF 21911
11.97