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PE3239 Datasheet(PDF) 1 Page - Peregrine Semiconductor Corp.

Part No. PE3239
Description  2.2 GHz Integer-N PLL for Low Phase Noise Applications
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Maker  PEREGRINE [Peregrine Semiconductor Corp.]
Homepage  http://www.peregrine-semi.com
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PE3239 Datasheet(HTML) 1 Page - Peregrine Semiconductor Corp.

 
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Document No. 70-0047-02
│ www.psemi.com
©2006 Peregrine Semiconductor Corp. All rights reserved.
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.
The PE3239 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.
Product Specification
2.2 GHz UltraCMOS™ Integer-N PLL
for Low Phase Noise Applications
Product Description
PE3239
Features
2.2 GHz operation
÷10/11 dual modulus 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
Figure 1. Block Diagram
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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