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參數(shù)資料
| 型號(hào)： | PE97632ES |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | 3.2 GHz Delta-Sigma modulated Fractional-N Frequency Synthesizer for Low Phase Noise Applications |
| 中文描述： | 3.2 GHz的Δ-Σ調(diào)制的低相位噪聲應(yīng)用分?jǐn)?shù)N頻率合成器 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大小： | 373K |
| 代理商： | PE97632ES |
Document No. 70-0205-02
│
www.psemi.com
2006 Peregrine Semiconductor Corp. All rights reserved.
Page 1 of 16
Peregrine’s PE97632 is a high performance fractional-N PLL
capable of frequency synthesis up to 3.2 GHz. The device is
designed for superior phase noise performance while providing
an order of magnitude reduction in current consumption, when
compared with the existing commercial space PLLs.
The PE97632 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 PE97632 is optimized for commercial space applications.
Single Event Latch up (SEL) is physically impossible and
Single Event Upset (SEU) is better than 10-9 errors per bit /
day. Fabricated in Peregrine’s patented UTSi (Ultra Thin
Silicon) CMOS technology, the PE97632 offers excellent RF
performance and intrinsic radiation tolerance.
Advance Information
PE97632
3.2 GHz Delta-Sigma modulated
Fractional-N Frequency Synthesizer
for Low Phase Noise Applications
Product Description
Figure 1. Block Diagram
Features
3.2 GHz operation
÷10/11 dual modulus prescaler
Phase detector output
Serial or Direct mode access
Frequency selectivity: Comparison
frequency / 2
18
Low power — 50 mA at 3.3 V
Rad-Hard
Ultra-low phase noise
68-lead CQFJ
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
6
13
Sdata
PD_U
PD_D
DSM
4
18
13
+
19
20
18
K
17:0
Direct
M
8:0
A
3:0
R
5:0
Pre_en
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