Microwave miniature ferroelectric tunable devices

... Introduction to Ferroelectric Microwave Tunable Devices The application of ferroelectric materials in tunable microwave devices was first introduced in the 1960’s [1-4] However, real applications of ferroelectric ... tunable ferroelectric devices, including both material science and device designs [5-12] Ferroelectric materials are widely used in microwave tunable...

Ngày tải lên: 14/09/2015, 08:45

... results of dielectric properties of these two varactors and thin films prove the feasibility of application of Bi1.5 Zn1.0 Nb1.5 O7 thin film into microwave tunable devices vii List of Figures ... 29 Lift-off method for fabrication of patterned Ba 0.5 Sr0.5TiO thin films…………………………………………………………… 29 2.3.1 Chapter3 Fabrication of patterned Ba 0.5 Sr0.5TiO thin...

Ngày tải lên: 04/10/2015, 10:26

... microwave tunable devices based on ferroelectric thin films Barium strontium titanate (BaxSr1−xTiO3 or BST) thin films are currently considered to be the most suitable candidate for tunable microwave ... 1.3 Ferroelectric materials and their microwave applications 1.3.1 Theory of dielectric response of ferroelectric materials 1.3.2 Tunable ferroelectric thin f...

Ngày tải lên: 10/09/2015, 08:40

... YBa2Cu3O7-δ (YBCO) thin films, ferroelectric Ba0.1Sr0.9TiO3 thin films and their applications in passive microwave devices YBCO, Ba0.1Sr0.9TiO3 and multilayer YBCO/Ba0.1Sr0.9TiO3 thin films were fabricated ... 117 References 119 CHAPTER 6: FERROELECTRIC THIN FILMS AND MULTILAYERS 98 121 6.1 Barium strontium titanate ferroelectric thin films 121 6.2 Ba0.1Sr0....

Ngày tải lên: 16/09/2015, 08:30

... mounted in a 144 Advanced Microwave and Millimeter Wave Technologies: Semiconductor Devices, Circuits and Systems THz waveguide cavity with a waveguide tuning short on one side and an output ... efficiency and negative-resistance Fig (a) admittance plots of 4H-SiC DDR IMPATT at Ka band 130 Advanced Microwave and Millimeter Wave Technologies: Semiconductor De...

Ngày tải lên: 21/06/2014, 06:20

... whole ISM band from 2.4 to 2.48 GHz, with 3dB insertion loss and 40 dB out-of-band and image 172 Advanced Microwave and Millimeter Wave Technologies: Semiconductor Devices, Circuits and Systems ... 170 Advanced Microwave and Millimeter Wave Technologies: Semiconductor Devices, Circuits and Systems Fig 21 Response of a 5th order T filter (2.4 GHz WLAN...

Ngày tải lên: 21/06/2014, 06:20

... coskl Py 4 r   (9) Advanced Microwave and Millimeter Wave Technologies: Semiconductor Devices, Circuits and Systems 1 96 Based on the equations (8) and (9), far fields of E  S and E S are calculated, ... 0 063 1399 202 Advanced Microwave and Millimeter Wave Technologies: Semiconductor Devices, Circuits and Systems Balanis, C A (1989) Advanced...

Ngày tải lên: 21/06/2014, 06:20

... Electronics, Circuits and Systems (ICECS), vol.1, pp 14- 17, ISBN 0 -78 03-8163 -7 248 Advanced Microwave and Millimeter Wave Technologies: Semiconductor Devices, Circuits and Systems Bahreyni, B (2002) ... 50.304GHz and Advanced Microwave and Millimeter Wave Technologies: Semiconductor Devices, Circuits and Systems 244 52.4GHz by 2.096GHz step T...

Ngày tải lên: 21/06/2014, 06:20

... Transistors, IEEE MTT-S Int Microwave Symp Dig., Orlando, FL, June 1995, pp .103 7 -104 0 386 Advanced Microwave and Millimeter Wave Technologies: Semiconductor Devices, Circuits and Systems Cipriani, E.; ... limits, thus Advanced Microwave and Millimeter Wave Technologies: Semiconductor Devices, Circuits and Systems 368 approaching a switching behavio...

Ngày tải lên: 21/06/2014, 06:20

... been derived and/ or developed for circular and 404 Advanced Microwave and Millimeter Wave Technologies: Semiconductor Devices, Circuits and Systems rectangular antenna apertures and for all the ... check the critical points, say, transmission and stop bands Advanced Microwave and Millimeter Wave Technologies: Semiconductor Devices, Circuits and Sys...

Ngày tải lên: 21/06/2014, 06:20

... intensity distributions Advanced Microwave and Millimeter Wave Technologies: Semiconductor Devices, Circuits and Systems 482 (a) (b) Pseudo-Bessel Beams in Millimeter and Sub -millimeter Range (a) ... Advanced Microwave and Millimeter Wave Technologies: Semiconductor Devices, Circuits and Systems some considerations about the implementation of adapta...

Ngày tải lên: 21/06/2014, 06:20

... on Microwave Theory and Techniques, Vol 54, No 12, December 2006, pp 4372-4380, ISSN: 00189480 520 Advanced Microwave and Millimeter Wave Technologies: Semiconductor Devices, Circuits and Systems ... Aperture Radar (SAR) and Radar Altimeter However, for the local numerical weather and wave 522 Advanced Microwave and Millimeter Wave Technologies: Semicon...

Ngày tải lên: 21/06/2014, 06:20

... K (sea) and < K (land) 566 Advanced Microwave and Millimeter Wave Technologies: Semiconductor Devices, Circuits and Systems The other two cases show a comparison between the 183-WSL and retrievals ... complex mix of weak electric and magnetic fields, both at home and at work 574 Advanced Microwave and Millimeter Wave Technologies: Semiconductor Devices...

Ngày tải lên: 21/06/2014, 06:20

... t (16) Advanced Microwave and Millimeter Wave Technologies: Semiconductor Devices, Circuits and Systems 622 purporting the high frequencies 2ωc, 2ωc ± ωm, 2ωc ± 2ωm, and where m c  10 8 and ... resonance effect at 16 Hz b) Spontaneous activity Fourier spectrum gives a maximum for 16. 4 Hz Advanced Microwave and Millimeter Wave Technologies: Semiconduct...

Ngày tải lên: 21/06/2014, 06:20

... of both rain intensities and rain attenuation whenever they are available 634 Advanced Microwave and Millimeter Wave Technologies: Semiconductor Devices, Circuits and Systems Experimental Set-up ... 638 Advanced Microwave and Millimeter Wave Technologies: Semiconductor Devices, Circuits and Systems It can be seen that the availability performances of b...

Ngày tải lên: 21/06/2014, 06:20