Datasheet > 3340-12

3340-12

更新时间： 2022-09-18 15:55:40

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PSEMI		/
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描述
3.0 GHz Integer-N PLL for Low Phase Noise Applications

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3340-12 数据手册

PRODUCT SPECIFICATION

PE3340

3.0 GHz Integer-N PLL for Low

Phase Noise Applications

Product Description

Peregrine’s PE3340 is a high performance integer-N PLL

capable of frequency synthesis up to 3.0 GHz. The

superior phase noise performance of the PE3340 makes

it ideal for applications such as wireless local loop

basestations, LMDS systems and other demanding

terrestrial systems.

Features

• 3.0 GHz operation

• ÷10/11 dual modulus prescaler

• Internal phase detector

• Serial programmable

• Low power ⎯ 20 mA at 3 V

• Ultra-low phase noise

• Available in 20-lead TSSOP

The PE3340 features a 10/11 dual modulus prescaler,

counters and a phase comparator as shown in Figure 1.

Counter values are programmable through a three wire

serial interface.

Fabricated in Peregrine’s patented UTSi® (Ultra Thin

Silicon) CMOS technology, the PE3340 offers excellent

RF performance with the economy and integration of

conventional CMOS.

Figure 1. Block Diagram

F_in

Prescaler

10/11

Main

Counter

Primary

20-bit

Latch

Secon-

dary

20-bit

Latch

PD_U

Phase

Sdata

Detector

PD_D

f_r

R Counter

PEREGRINE SEMICONDUCTOR CORP. ® | http://www.psemi.com

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