scholarly journals Analysis of frequency detection capability of Alexander phase detector

2020 ◽  
Vol 56 (4) ◽  
pp. 180-182
Author(s):  
Kwanseo Park ◽  
Deog‐Kyoon Jeong
Keyword(s):  
Phase Detector ◽  
Detection Capability ◽  
Frequency Detection

A 4-to-20Gb/s 1.87pJ/b Referenceless Digital CDR With Unlimited Frequency Detection Capability in 65nm CMOS

2019 ◽  
Author(s):  
Kwanseo Park ◽  
Kwangho Lee ◽  
Sung-Yong Cho ◽  
Jinhyung Lee ◽  
Jeongho Hwang ◽  
...  
Keyword(s):  
Detection Capability ◽  
Frequency Detection

scholarly journals Indicators of Incipient Surge for Three Turbofan Engines Using Standard Equipment and Instrumentation

1996 ◽  
Author(s):  
Adam J. Baran ◽  
Michael G. Dunn
Keyword(s):  
Frequency Response ◽  
High Frequency ◽  
The Other ◽  
General Electric ◽  
Detection Capability ◽  
Standard Equipment ◽  
Turbofan Engines ◽  
Frequency Detection ◽  
Full Power ◽  
A Current

Engine controller data have been interrogated for indications of incipient surge for three turbofan engines; a large Pratt and Whitney, a large General Electric, and a small Williams International. Versions of these engines are currently operating in the field and all have compression ratios of 18 or greater. The Pratt and Whitney engine was surged only at full power while the other two were surged at partial power and at full power. The interest in this work was in detecting the presence of warning signatures for a current inventory of engines. A constraint was imposed on the experiments to use only existing engine instrumentation. The frequency response of the controller and the engine instrumentation limited the high frequency detection capability to about 100 Hz for the large engines and about 200 Hz for the small engine, For the large engines, it was not possible to detect a surge warning but for the small engine a sufficient warning of incipient surge was detected.

Type-I Digital Ring-Based PLL Using Loop Delay Compensation and ADC-Based Sampling Phase Detector

2019 ◽  
Vol E102.C (7) ◽  
pp. 520-529
Author(s):  
Zule XU ◽  
Anugerah FIRDAUZI ◽  
Masaya MIYAHARA ◽  
Kenichi OKADA ◽  
Akira MATSUZAWA
Keyword(s):  
Phase Detector ◽  
Type I ◽  
Delay Compensation ◽  
Loop Delay

A Feed-Forward Time Amplifier Using a Phase Detector and Variable Delay Lines

2013 ◽  
Vol E96.C (6) ◽  
pp. 920-922 ◽  
Author(s):  
Kiichi NIITSU ◽  
Naohiro HARIGAI ◽  
Takahiro J. YAMAGUCHI ◽  
Haruo KOBAYASHI
Keyword(s):  
Phase Detector ◽  
Variable Delay ◽  
Delay Lines ◽  
Feed Forward ◽  
Time Amplifier

Detection Capability of Downlink Signals in Mobile WiMAX and 3GPP LTE with an FFT-Based UWB Receiver

2013 ◽  
Vol E96.A (1) ◽  
pp. 285-292 ◽  
Author(s):  
Kenichi TAKIZAWA ◽  
Hirotaka YAMANE ◽  
Huan-Bang LI ◽  
Feng LU ◽  
Kohei OHNO ◽  
...  
Keyword(s):  
Mobile Wimax ◽  
Detection Capability ◽  
3Gpp Lte ◽  
Uwb Receiver
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