Rahul Kishor

7 Questions 13 Answers 0 Followers

Questions related from Rahul Kishor

What is the advantage of a synchronous SAW transducer configuration over a peak positioned IDT configuration?

Dear All, I am trying to design a SAW resonator and found out that there are two kinds of SAW resonator designs- peak positioned for maximum coupling and synchronous transducer configuration. From...

18 May 2016 5,201 0 View

What is the advantage of using an apodized IDT vs reducing the number of fingers while designing a wideband SAW device?

Hi, Could someone please let me know the advantages of using an apodized IDT design over "reducing the number of fingers in the IDT" while designing a wideband SAW device ? If I use the apodized...

29 March 2016 3,130 2 View

How do we determine the output SAW IDT (receiver) transfer function accurately?

Hello All, I want to determine the SAW transfer function of an output (receiver) IDT which consists of regular unapodized IDT. Using this I would like to find the input acoustic wave by measuring...

21 March 2016 7,096 0 View

Do phonons interact with electrons in a metal?

Hi All, Does phonons interact with electrons in a metal ? Can the vibrations of electrons be controlled by a phonon? Can you suggest some articles for understanding the phenomenon? Thank you!!!!

11 September 2015 5,129 11 View

How do we find the sensitivity of a surface acoustic wave transducer?

Hi All, How can we find the source sensitivity (voltage to pressure) of a Surface acoustic wave (SAW) transducer? Thanks, Rahul Kishor Nanyang Technological University, Singapore

09 July 2015 8,832 5 View

How do I design a SAW wideband receiver with a centre frequency of 20MHz and bandwidth of 25%?

Dear All, Could you please let me know the any references or details for designing a wideband SAW receiver working at a centre frequency of 20MHz and BW of 25%. Is there any limitation for...

08 April 2015 9,953 10 View

Is ultrasound absorbed by particles in water ?

I would like to calculate the ultrasound (20MHz) absorption of particles (polystyrene of size 15 microns) in water. I tried to search in the internet, but couldn't find any simple analytical...

22 January 2015 1,038 5 View