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3335-00

3000 MHz UltraCMOS™ Integer-N PLL for Low Phase Noise Applications

Peregrine Semiconductor Corp. 

Product Description

Peregrine’s PE3335 is a high performance integer-N PLL

capable of frequency synthesis up to 3000 MHz. The

superior phase noise performance of the PE3335 makes it

ideal for applications such as LMDS / MMDS / WLL

basestations and demanding terrestrial systems.

The PE3335 features a 10/11 dual modulus prescaler,

counters, phase comparator and a charge pump as shown

in Figure 1. Counter values are programmable through

either a serial or parallel interface and can also be directly

hard wired.

The PE3335 Phase Locked-Loop is optimized for terrestrial

applications. It is manufactured on Peregrine’s

UltraCMOS™ process, a patented variation of silicon-on-

insulator (SOI) technology on a sapphire substrate, offering

the performance of GaAs with the economy and integration

of conventional CMOS.

Figure 1. Block Diagram

Product Specification

PE3335

3000 MHz UltraCMOS™ Integer-N PLL

for Low Phase Noise Applications

Features

• 3000 MHz operation

• ÷10/11 dual modulus prescaler

• Internal phase detector with

charge pump

• Serial, parallel or hardwired

programmable

• Ultra-low phase noise

• Available in 44-lead PLCC and

7x7 mm 48-lead QFN packages

Fin

Prescaler

Fin

10/11

D(7:0)

8

Sdata

Primary

20-bit

Latch 20

Secon-

dary

20

20-bit

20

Pre_en

Latch 20

16

M(6:0)

A(3:0)

R(3:0)

fr

Main

Counter

13

66

R Counter

fp

PD_U

Phase

Detector

Charge

Pump

CP

PD_D

fc

Document No. 70-0049-02 │ www.psemi.com

©2005 Peregrine Semiconductor Corp. All rights reserved.

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