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3342-31

Description
2.7 GHz Integer-N PLL with Field-Programmable EEPROM Features
File Size744KB,16 Pages
ManufacturerpSemi (peregrine semiconductor)
Websitehttp://www.psemi.com/
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3342-31 Overview

2.7 GHz Integer-N PLL with Field-Programmable EEPROM Features

Product Specification
PE3342
Product Description
Peregrine’s PE3342 is a high performance integer-N PLL with
embedded EEPROM capable of frequency synthesis up to
2700 MHz with a speed-grade option to 3000 MHz. The
EEPROM allows designers to permanently store control bits,
allowing easy configuration of self-starting synthesizers. The
superior phase noise performance of the PE3342 is ideal for
applications such as wireless base stations, fixed wireless, and
RF instrumentation systems.
The PE3342 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.
The PE3342 UltraCMOS™ Phase Locked-Loop is
manufactured in Peregrine’s patented Ultra Thin Silicon
(UTSi®) CMOS process, offering excellent RF performance
with the economy and integration of conventional CMOS.
2.7 GHz Integer-N PLL
with Field-Programmable EEPROM
Features
Field-programmable EEPROM for self-
starting applications
Standard 2700 MHz operation,
3000 MHz speed-grade option
÷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 4x4 mm QFN
Figure 1. Block Diagram
ENH
E_WR
Data
Clock
Serial
Interface
Mux
Enhancement
Register
(8-bit)
Primary
Register
(20-bit)
EE
Register
(20-bit)
O
F
in
F
in
bs
o
Prescaler
÷10/11
le
M Counter
÷2 to ÷512
13
te
6
6
package
20
Secondary
Register
(20-bit)
Phase
Detector
PD_U
PD_D
20
20
LD
2k
Cext
EELoad
Transfer
Logic
V
PP
S_WR
f
r
EESel
FSel
EEPROM
R Counter
÷1 to ÷64
Document No. 70-0091-04
www.psemi.com
©2005-8 Peregrine Semiconductor Corp. All rights reserved.
Page 1 of 17
Peregrine products are protected under one or more of the following U.S. Patents: http://patents.psemi.com
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