參數(shù)資料
型號： 3239-00
廠商： Electronic Theatre Controls, Inc.
英文描述： 2.2 GHz Integer-N PLL for Low Phase Noise Applications
中文描述： 2.2 GHz的整數(shù)N的低相位噪聲鎖相環(huán)的應(yīng)用
文件頁數(shù)： 1/13頁
文件大小： 221K
代理商： 3239-00
PEREGRINE SEMICONDUCTOR CORP.
|
http://www.peregrine-semi.com
Copyright
Peregrine Semiconductor Corp. 2001
Page 1 of 13
Product Description
conventional CMOS.
Figure 1. Block Diagram
Product Specification
PE3239
2.2 GHz Integer-N PLL for Low
Phase Noise Applications
Features
2.2 GHz operation
10/11 prescaler
Internal phase detector with
charge pump
Serial programmable
Low power
20 mA at 3 V
Ultra-low phase noise
Available in 20-lead TSSOP
Peregrine’s PE3239 is a high performance integer-N PLL
capable of frequency synthesis up to 2.2 GHz. The
superior phase noise performance of the PE3239 is ideal
for applications such as wireless local loop basestations,
LMDS systems and other demanding terrestrial systems.
The PE3239 features a 10/11 dual modulus prescaler,
counters, phase detector and a charge pump 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 PE3239 offers excellent
RF performance with the economy and integration of
F
in
F
in
Prescaler
10/11
20
Main
Counter
20
Secon-
dary
20-bit
Latch
20
Primary
20-bit
Latch
R Counter
f
r
Phase
Detector
6
6
PD_U
PD_D
13
Sdata
Charge
Pump
CP
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