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AD9901KQ PDF预览

AD9901KQ

更新时间: 2024-10-27 22:09:59
品牌 Logo 应用领域
亚德诺 - ADI /
页数 文件大小 规格书
8页 160K
描述
Ultrahigh Speed Phase/Frequency Discriminator

AD9901KQ 数据手册

 浏览型号AD9901KQ的Datasheet PDF文件第2页浏览型号AD9901KQ的Datasheet PDF文件第3页浏览型号AD9901KQ的Datasheet PDF文件第4页浏览型号AD9901KQ的Datasheet PDF文件第5页浏览型号AD9901KQ的Datasheet PDF文件第6页浏览型号AD9901KQ的Datasheet PDF文件第7页 
Ultrahigh Speed  
a
Phase/Frequency Discriminator  
AD9901  
PHASE-LOCKED LOOP  
FEATURES  
Phase and Frequency Detection  
ECL/TTL/CMOS Compatible  
Linear Transfer Function  
No “Dead Zone”  
REFERENCE  
INPUT  
LOW-  
OSCILLATOR  
OUTPUT  
PASS  
VCO  
FILTER  
MIL-STD-883 Compliant Versions Available  
AD9901  
APPLICATIONS  
1/N  
Low Phase Noise Reference Loops  
Fast-Tuning “Agile” IF Loops  
Secure “Hopping” Communications  
Coherent Radar Transmitter/Receiver Chains  
OPTIONAL 1/N PRESCALER  
TYPICAL OF DIGITAL PLLs  
GENERAL DESCRIPTION  
A major feature of the AD9901 is its ability to compare  
phase/frequency inputs at standard IF frequencies without  
prescalers. Excessive phase uncertainty which is common with  
standard PLL configurations is also eliminated. The AD9901  
provides the locking speed of traditional phase/frequency dis-  
criminators, with the phase stability of analog mixers.  
The AD9901 is a digital phase/frequency discriminator capable  
of directly comparing phase/frequency inputs up to 200 MHz.  
Processing in a high speed trench-oxide isolated process, com-  
bined with an innovative design, gives the AD9901 a linear  
detection range, free of indeterminate phase detection zones  
common to other digital designs.  
The AD9901 is available as a commercial temperature range  
device, 0°C to +70°C, and as a military temperature device,  
–55°C to +125°C. The commercial versions are packaged in a  
14-lead ceramic DIP and a 20-lead PLCC.  
With a single +5 V supply, the AD9901 can be configured to  
operate with TTL or CMOS logic levels; it can also operate  
with ECL inputs when operated with a –5.2 V supply. The  
open-collector outputs allow the output swing to be matched to  
post-filtering input requirements. A simple current setting resis-  
tor controls the output stage current range, permitting a reduc-  
tion in power when operated at lower frequencies.  
The AD9901 Phase/Frequency Discriminator is available in  
versions compliant with MIL-STD-883. Refer to the Analog  
Devices Military Products Databook or current AD9901/883B  
data sheet for specifications.  
FUNCTIONAL BLOCK DIAGRAM  
D
Q
D
Q
REFERENCE  
FREQUENCY  
DISCRIMINATOR  
FLIP-FLOP  
REFERENCE  
INPUT  
FLIP-FLOP  
REFERENCE  
INPUT  
OUTPUT  
OUTPUT  
Q
Q
R
XOR  
D
Q
OSCILLATOR  
INPUT  
S
D
Q
FLIP-FLOP  
OSCILLATOR  
FREQUENCY  
DISCRIMINATOR  
FLIP-FLOP  
OSCILLATOR  
INPUT  
Q
Q
REV. B  
Information furnished by Analog Devices is believed to be accurate and  
reliable. However, no responsibility is assumed by Analog Devices for its  
use, nor for any infringements of patents or other rights of third parties  
which may result from its use. No license is granted by implication or  
otherwise under any patent or patent rights of Analog Devices.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781/329-4700  
Fax: 781/326-8703  
World Wide Web Site: http://www.analog.com  
© Analog Devices, Inc., 1999  

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