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3239-00 Datasheet

  • 3239-00

  • 2.2 GHz Integer-N PLL for Low Phase Noise Applications

  • 13頁

  • ETC

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Product Specification
PE3239
Product Description
Peregrine鈥檚 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鈥檚 patented UTSi廬 (Ultra Thin
Silicon) CMOS technology, the PE3239 offers excellent
RF performance with the economy and integration of
conventional CMOS.
2.2 GHz Integer-N PLL for Low
Phase Noise Applications
Features
鈥?/div>
2.2 GHz operation
鈥?/div>
10/11 prescaler
鈥?/div>
Internal phase detector with
charge pump
鈥?/div>
Serial programmable
鈥?/div>
Low power
錚?/div>
20 mA at 3 V
鈥?/div>
Ultra-low phase noise
鈥?/div>
Available in 20-lead TSSOP
Figure 1. Block Diagram
F
in
F
in
Prescaler
10/11
Main
Counter
13
Primary
20-bit
20
Latch
Sdata
Secon-
dary
20-bit
Latch
20
20
Phase
Detector
PD_U
PD_D
Charge
Pump
CP
6
f
r
6
R Counter
PEREGRINE SEMICONDUCTOR CORP.
餂?/div>
|
http://www.peregrine-semi.com
Copyright
餂?/div>
Peregrine Semiconductor Corp. 2001
Page 1 of 13

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