MB88153A Просмотр технического описания (PDF) - Fujitsu

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MB88153A

Spread Spectrum Clock Generator

Fujitsu 

MB88153A

■ SPECTRUM EXAMPLE CHARACTERISTICS

The condition of the examples of the characteristic is shown as follows: Input frequency = 20 MHz (Output

frequency = 20 MHz), use for MB88153A-111.

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 −6 dB) .

CH B Spectrum

Avg

4

10 dB /REF 0 dBm

No modulation

−8.86 dBm

±1.5% modulation

−26.54 dBm

RBW# 1 kHZ VBW 1 kHZ

CENTER 20 MHZ

ATT 6 dB

SWP 2.505 s

SPAN 4 MHZ

18

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