MB88151 Fujitsu Media Devices, MB88151 Datasheet - Page 17

• Manufacturer Part Number: MB88151
• Description: Spread Spectrum Clock Generator
• Manufacturer: Fujitsu Media Devices

SPECTRUM EXAMPLE CHARACTERISTICS
The condition of the examples of the characteristic is shown as follows : Input frequency = 20 MHz (Output
frequency = 20 MHz : Using MB88151-100 (Multiply by 1)), Power - supply voltage = 3.3 V, None load capacity,
Modulation rate = ± 1.5% (center spread).
Spectrum analyzer HP4396B is connected with CKOUT. The result of the measurement with RBW = 1 kHz
(ATT use for − 6dB).
Avg
4
RBW# 1 kH
CENTER 20 MH
CH B Spectrum
Z
VBW 1 kH
Z
No modulation
−6.54 dBm
Z
10 dB /REF 0 dBm
ATT 6 dB
±1.5% modulation
−24.45 dBm
SWP 2.505 s
SPAN 4 MH
Z
MB88151
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