Alaa Imran Al-Muttairi

12 Questions 20 Answers 0 Followers

Questions related from Alaa Imran Al-Muttairi

Why the ground side of the antenna that designed for mobile phones is always complete?

Dear colleagues , I'm working on a Mobile MIMO antenna for the sub-6GHz band. I noted that all previous works in literature used a complete ground plane. is there any standard they followed? Why...

14 February 2024 2,266 4 View

"Circularly Polarized Antennas" book request ?

Dear colleagues , I would like to obtain a copy of this book "Circularly Polarized Antennas" by Steven (Shichang) Gao, Qi Luo, Fuguo Zhu , Wiley-IEEE Press , 2014. With much appreciation for...

31 July 2023 6,354 3 View

How to make curved slot in CST program ?

Dear Colleagues, im working on a CST program to design a new antenna, how i can draw a curved slot or curved strip? Thank you

12 July 2023 3,307 5 View

How CP curve for MIMO antenna is obtained using CST ?

Greeating Im working on MIMO CP antenna and , im not sure about cst setting to make the simulation using cst software. I designed single element and i obtained the CP curve for it , what about...

03 May 2023 2,035 2 View

What is the best technique to optimize the distance between single antenna in MIMO antenna in CST software?

29 April 2023 5,757 10 View

Can i measure Specific Absorption Rate (SAR) in CST v2014 ?

I had instilled cst 2014 and i want to work on biomedical antenna so i need to measure Specific Absorption Rate (SAR) .

03 September 2021 5,772 5 View

Why radiation efficiency of circular patch antenna is low ?

Hello, im designing normal circular microstrip patch antenna with coaxial probe feed. my design is built over FR-4 substrate . every time i got about 60% radiation efficiency ? why thank you

20 October 2019 703 10 View

How can i caculate the capacitance of between two edges of slit or slot in patch or ground plane ?

Hello , I want to calculate the total capacitance between slot edges . if the slot is etched in patch and in the ground plane ? thank you

26 September 2019 3,636 3 View

How can i build T.L. model for my microstrip antenna which is containing a slot in the ground ?

Hello, Im working on square patch antenna with co-axial feed . the antenna consists of slot in ground. how can i develop T.L. model for my antenna ? is there some references or i should use...

24 July 2019 4,235 3 View

What is the difference between Via and shorting post in microstrip antenna design ?

i want differences in terms of structure and operation principles ? thank you

10 July 2019 4,658 7 View

What are the values in (nH) , inside the graph mean?

Hello, Im working at dc biasing circuit which included RF chip inductor. in the attached pic. L versus Frequency 0402HP Surface Mount Inductors. what are values (68nH,51nH,39nH,......) means? it...

10 February 2019 9,100 3 View

Is it possible to combine between miniaturization technique and polarization reconfiguration in one microstrip patch antenna ?

i want to combine two techniques in on microstrip patch antenna (miniaturization and polarization reconfiguration). is it possible to make this antenna ? specially both of that techniques will...

08 December 2018 7,747 4 View