AD9510SLASHPCB datasheet(27/60 Pages) AD

Il numero della parte	AD9510/PCB

Spiegazioni elettronici	1.2 GHz Clock Distribution IC, PLL Core, Dividers, Delay Adjust, Eight Outputs

PDF	60 Pages

Scroll/Zoom	100%

Produttore elettronici	AD [Analog Devices]

Homepage	http://www.analog.com

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27 / 60 page

AD9510

Rev. A | Page 27 of 60

PLL WITH EXTERNAL VCO AND BAND-PASS

FILTER FOLLOWED BY CLOCK DISTRIBUTION

An external band-pass filter may be used to try to improve the

phase noise and spurious characteristics of the PLL output. This

option is most appropriate to optimize cost by choosing a less

expensive VCO combined with a moderately priced filter. Note

that the BPF is shown outside of the VCO-to-N divider path,

with the BP filter outputs routed to CLK1. Some power can be

saved by shutting off unused functions, as well as by powering

down any unused clock channels (see the Register Map and

Description section).

PFD

STATUS

CHARGE

PUMP

LVDS/CMOS

DIVIDE

LVDS/CMOS

DIVIDE

LVPECL

DIVIDE

LVPECL

DIVIDE

LVPECL

DIVIDE

LVPECL

DIVIDE

LVDS/CMOS

DIVIDE

LVDS/CMOS

DIVIDE

ΔT

SERIAL

PORT

FUNCTION

VREF

AD9510

PLL

REF

CLK1

CLK2

REFERENCE

INPUT

REFIN

LOOP

FILTER

VCO

BPF

CLOCK

OUTPUTS

Figure 32. AD9510 with VCO and BPF Filter

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