Band-pass filter based on magnetostatic surface waves, exciting by a one screen coplanar line

2016 ◽  
Author(s):  
Бабичев ◽  
Rudolf Babichev ◽  
Левендорский ◽  
K. Levendorskiy ◽  
Натхин ◽  
...  
Keyword(s):  
Surface Waves ◽  
Filter Design ◽  
Film Surface ◽  
Theoretical Method ◽  
Ferrite Film ◽  
Band Pass Filter ◽  
Experimental Frequency ◽  
Pass Filter ◽  
Coplanar Line ◽  
Band Pass

An excitation of magnetostatic surface waves (MSSW) by a one screen coplanar transmission line was considered for the case, when coplanar line is placed at some distance from the ferrite film surface. The dependence of coplanar line impedance on the spacing between the line and ferrite film has been studied for design of band-pass filter. Approximate theoretical method of band-pass filter design is presented. Experimental frequency responses of band-pass filter which utilize a yttrium-iron-garnet (YIG) films with different thickness are presented and compared. Frequency dependences of a one screen coplanar line radiation resistance and insertion losses of band-pass filter are discussed.

Band-pass filter based on magnetostatic surface waves, exciting by a one screen coplanar line

2016 ◽  
Author(s):  
Бабичев ◽  
Rudolf Babichev ◽  
Левендорский ◽  
K. Levendorskiy ◽  
Натхин ◽  
...  
Keyword(s):  
Surface Waves ◽  
Filter Design ◽  
Film Surface ◽  
Theoretical Method ◽  
Ferrite Film ◽  
Band Pass Filter ◽  
Experimental Frequency ◽  
Pass Filter ◽  
Coplanar Line ◽  
Band Pass

An excitation of magnetostatic surface waves (MSSW) by a one screen coplanar transmission line was considered for the case, when coplanar line is placed at some distance from the ferrite film surface. The dependence of coplanar line impedance on the spacing between the line and ferrite film has been studied for design of band-pass filter. Approximate theoretical method of band-pass filter design is presented. Experimental frequency responses of band-pass filter which utilize a yttrium-iron-garnet (YIG) films with different thickness are presented and compared. Frequency dependences of a one screen coplanar line radiation resistance and insertion losses of band-pass filter are discussed.

Band-pass filter based on magnetostatic surface waves, exciting by symmetric coplanar line

2016 ◽  
Author(s):  
Бабичев ◽  
Rudolf Babichev ◽  
Левендорский ◽  
K. Levendorskiy ◽  
Бабичева ◽  
...  
Keyword(s):  
Surface Waves ◽  
Filter Design ◽  
Film Surface ◽  
Theoretical Method ◽  
Ferrite Film ◽  
Band Pass Filter ◽  
Experimental Frequency ◽  
Pass Filter ◽  
Coplanar Line ◽  
Band Pass

An excitation of magnetostatic surface waves (MSSW) by symmetric coplanar transmission line was considered for the case, when coplanar line is placed at some distance from the ferrite film surface. The dependence of symmetric coplanar line impedance on the spacing between the line and ferrite film has been studied for design of band-pass filter. Approximate theoretical method of band-pass filter design is presented. Experimental frequency responses of band-pass filter which utilize a yttrium-iron-garnet (YIG) films with different thickness are presented and compared. Frequency dependences of symmetric coplanar line radiation resistance and insertion losses of band-pass filter are discussed.

COMPACT MICROSTRIP BAND-PASS FILTER FOR EMI REDUCTION

2015 ◽  
Vol 77 (12) ◽  
Author(s):  
Kabir Ibrahim Jahun ◽  
Hussein Mohamed Hagi Hassan Abdirahman Mohamud Shire ◽  
Ali Orozi Sougui ◽  
S. H. Dahlan
Keyword(s):  
Filter Design ◽  
Stop Band ◽  
Band Pass Filter ◽  
Defected Ground Structure ◽  
Coupled Line ◽  
Pass Filter ◽  
Filter Structure ◽  
Coupled Lines ◽  
Band Pass ◽  
Compact Design

Compact microstrip band-pass filter design using parallel coupled lines is presented in this paper. The microstrip lines are calculated and constructed using CST studio with two input and output ports of the filter structure are printed over Defected Ground Structure (DGS).The proposed symmetrical structure offers a simple and compact design while exhibiting an improved stop-band characteristics in comparison to conventional coupled microstrip line filter structure. The simulation and measurements of 2GHz prototype band pass filter are presented. The measured result agrees well with the simulation data. Compared with conventional parallel coupled line band pass filter, the second, third and fourth spurious responses are suppressed; in addition, the size of the prototype filter circuit is reduced up to 20.8%.  

scholarly journals Noise-Cancelling CMOS Active Inductor and Its Application in RF Band-Pass Filter Design

2010 ◽  
Vol 2010 ◽  
pp. 1-8 ◽  
Author(s):  
Santosh Vema Krishnamurthy ◽  
Kamal El-Sankary ◽  
Ezz El-Masry
Keyword(s):  
Filter Design ◽  
Low Noise ◽  
Total Power ◽  
Active Inductor ◽  
Cmos Process ◽  
Band Pass Filter ◽  
Pass Filter ◽  
Noise Cancelling ◽  
Total Power Consumption ◽  
Band Pass

A CMOS active inductor with thermal noise cancelling is proposed. The noise of the transistor in the feed-forward stage of the proposed architecture is cancelled by using a feedback stage with a degeneration resistor to reduce the noise contribution to the input. Simulation results using 90 nm CMOS process show that noise reduction by 80% has been achieved. The maximum resonant frequency and the quality factor obtained are 3.8 GHz and 405, respectively. An RF band-pass filter has been designed based on the proposed noise cancelling active inductor. Tuned at 3.46 GHz, the filter features total power consumption of 1.4 mW, low noise figure of 5 dB, and IIP3 of −10.29 dBm.

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