Noise reduction of spin torque oscillator by phase-locked loop with combinational frequency tuning method

2020 ◽  
Vol 117 (7) ◽  
pp. 072407
Author(s):  
Lang Zeng ◽  
Xichuan Ma ◽  
Hao-Hsuan Chen ◽  
Yan Zhou ◽  
Deming Zhang ◽  
...  
Keyword(s):  
Noise Reduction ◽  
Frequency Tuning ◽  
Phase Locked Loop ◽  
Spin Torque ◽  
Tuning Method

Analysis of phase noise in a spin torque oscillator stabilized by phase locked loop

2016 ◽  
Vol 9 (5) ◽  
pp. 053005 ◽  
Author(s):  
Shingo Tamaru ◽  
Hitoshi Kubota ◽  
Kay Yakushiji ◽  
Akio Fukushima ◽  
Shinji Yuasa
Keyword(s):  
Phase Noise ◽  
Phase Locked Loop ◽  
Spin Torque

scholarly journals Extremely Coherent Microwave Emission from Spin Torque Oscillator Stabilized by Phase Locked Loop

2015 ◽  
Vol 5 (1) ◽  
Author(s):  
Shingo Tamaru ◽  
Hitoshi Kubota ◽  
Kay Yakushiji ◽  
Shinji Yuasa ◽  
Akio Fukushima
Keyword(s):  
Phase Locked Loop ◽  
Microwave Emission ◽  
Spin Torque

scholarly journals A Frequency Tuning Method for a Planar Inverted-F Antenna

2008 ◽  
Vol 56 (4) ◽  
pp. 944-950 ◽  
Author(s):  
Mikko Komulainen ◽  
Markus Berg ◽  
Heli Jantunen ◽  
Erkki T. Salonen ◽  
Charles Free
Keyword(s):  
Frequency Tuning ◽  
Tuning Method

Physical Origin and Theoretical Limit of the Phase Stability of a Spin-Torque Oscillator Stabilized by a Phase-Locked Loop

2017 ◽  
Vol 7 (6) ◽  
Author(s):  
Shingo Tamaru ◽  
Hitoshi Kubota ◽  
Kay Yakushiji ◽  
Akio Fukushima ◽  
Shinji Yuasa
Keyword(s):  
Phase Stability ◽  
Phase Locked Loop ◽  
Spin Torque ◽  
Physical Origin ◽  
Theoretical Limit

scholarly journals Spin–torque dynamics for noise reduction in vortex-based sensors

2021 ◽  
Vol 118 (12) ◽  
pp. 122401
Author(s):  
Mafalda Jotta Garcia ◽  
Julien Moulin ◽  
Steffen Wittrock ◽  
Sumito Tsunegi ◽  
Kay Yakushiji ◽  
...  
Keyword(s):  
Noise Reduction ◽  
Spin Torque

scholarly journals Tunable microstrip line microwave filters

2011 ◽  
Vol 16 (4) ◽  
pp. 53-56
Author(s):  
B.B. Pracyuk ◽  
YU.V. Prokopenko ◽  
K.G. Savin ◽  
P.YU. Sergienko
Keyword(s):  
Microstrip Line ◽  
Frequency Tuning ◽  
Stop Band ◽  
Piezoelectric Actuators ◽  
Tunable Filters ◽  
Microwave Filters ◽  
Pass Band ◽  
Tuning Method ◽  
Microstrip Resonators

The frequency tuning method for microstrip resonators is proposed. The method realizes electromechanical tuning by MEMS or piezoelectric actuators. The stop-band and pass-band tunable filters based on the proposed approach were designed.

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