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| 型号： | PE33631MLIAA |
| 厂商： | PEREGRINE SEMICONDUCTOR CORP |
| 元件分类： | PLL合成/DDS/VCOs |
| 英文描述： | PHASE DETECTOR, QCC64 |
| 封装： | 9 X 9 MM, GREEN, QFN-64 |
| 文件页数： | 1/16页 |
| 文件大小： | 295K |
| 代理商： | PE33631MLIAA |
Document No. 70-0291-01
│ www.psemi.com
2009 Peregrine Semiconductor Corp. All rights reserved.
Page 1 of 16
Peregrine’s PE33631 is a high performance fractional-N PLL
capable of frequency synthesis up to 3.5 GHz. The device is
designed for superior phase noise performance while providing
an order of magnitude reduction in current consumption.
The PE33631 features a 10/11 dual modulus prescaler,
counters, a delta sigma modulator, and a phase comparator as
shown in Figure 1. Counter values are programmable through
either a serial interface or directly hard-wired.
The PE33631 is available in a 64-lead QFN and is
manufactured on Peregrine’s UltraCMOS process, a
patented variation of silicon-on-insulator (SOI) technology on a
sapphire substrate, offering excellent RF performance.
Advance Information
3.5 GHz Delta-Sigma modulated
Fractional-N Frequency Synthesizer
for Low Phase Noise Applications
Product Description
Figure 1. Block Diagram
PE33631
Features
3.5 GHz operation
÷10/11 dual modulus prescaler
Phase detector output
Serial or Direct mode access
Frequency selectivity: Comparison
frequency / 218
Low power — 40 mA at 3.3 V
Ultra-low phase noise
64-lead 9x9 mm QFN
Auxilia-
ry
20-bit
Latch
F
in
F
in
Prescaler
10/11
Main
Counter
20
Secon-
dary
20-bit
Latch
Primary
21-bit
Latch
R Counter
f
r
Phase
Detector
6
13
Sdata
PD_U
PD_D
DSM
4
18
13
+
19
20
18
K
17:0
M
8:0
A
3:0
R
5:0
Pre_en
Direct
Applications
Cellular Base Stations
WiMax
CATV Equipment
Test & Measurement
Military Applications
Point-to-Point Radios
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