Datasheet > 3335-21

3335-21

更新时间： 2024-02-17 14:53:54

品牌	Logo	应用领域
PSEMI		/
页数	文件大小	规格书
15页	235K
描述
3000 MHz UltraCMOS⑩ Integer-N PLL for Low Phase Noise Applications

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3335-21 数据手册

Product Specification

PE3335

3000 MHz UltraCMOS™ Integer-N PLL

for Low Phase Noise Applications

Product Description

Features

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.

• 3000 MHz operation

• ÷10/11 dual modulus prescaler

• Internal phase detector with

charge pump

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.

• Serial, parallel or hardwired

programmable

• Ultra-low phase noise

• Available in 44-lead PLCC and

7x7 mm 48-lead QFN packages

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

F_in

Prescaler

10/11

Main

Counter

f_p

D(7:0)

Sdata

Primary

20-bit

Latch

Secon-

dary

20-bit

Latch

PD_U

Charge

Pump

Phase

Detector

PD_D

Pre_en

M(6:0)

A(3:0)

R(3:0)

f_r

R Counter

f_c

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

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