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Type: Posts; User: anilkrpandey

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1. ## Thread: What the effect of size the patch and ground plan on antenna's performance

by anilkrpandey
Replies
2
Views
425

### Closed: Re: What the effect of size the patch and ground plan on antenna's performance

Ground plane size affects the antenna performance like gain, radiation pattern and efficiency. As a rule, the ground plane should extend beyond the edges of the patch by at least 2-3 times the board...
2. ## Thread: Method of Moment- S11, Gain and Directivity of dipole antenna

by anilkrpandey
Replies
1
Views
524

### Closed: Re: Method of Moment- S11, Gain and Directivity of dipole antenna

You can write a matlab code for the same. Some reference:
http://ece.wpi.edu/mom/chapter5.pdf
https://www.mathworks.com/help/antenna/ug/method-of-moments.html
3. ## Thread: "Waveguide ports must be aligned with Cartesian coordinate planes" error

by anilkrpandey
Replies
1
Views
636

### Closed: Re: "Waveguide ports must be aligned with Cartesian coordinate planes" error

Which simulation software your are using for this design? You can try simulation with lumped port also.
4. ## Thread: Regarding 5G antenna types & design guideline if any!

by anilkrpandey
Replies
3
Views
633

### Closed: Re: Regarding 5G antenna types & design guideline if any!

In 5G instead of radiating energy in all the direction, a group of antennas that’s called Antenna Array, will focus data signal only to communicating device, so signal strength will be very high. ...
5. ## Thread: Directivity of antenna less than 1

by anilkrpandey
Replies
1
Views
1,396

### Closed: Re: Directivity of antenna less than 1

There must be some issue in design setup ( like absorbing boundary conditions) otherwise directivity is always greater than or equal to 1 (0 dB), antenna gain can be less than 1 (0 dB).
6. ## Thread: High gain wideband antenna

by anilkrpandey
Replies
4
Views
619

### Closed: Re: High gain wideband antenna

You have to design a broadband antenna to cover entire 0.1 to 6 GHz. Typical broadband antennas include the log-periodic antenna, traveling-wave antenna, helical antenna, biconical antenna,...
7. ## Thread: How To bend a patch antenna in HFSS

by anilkrpandey
Replies
1
Views
739

### Closed: Re: How To bend a patch antenna in HFSS

Use 'wrap' feature to bend patch antenna on a curved surface.
8. ## Thread: Tracking in satellite communications

by anilkrpandey
Replies
7
Views
3,109

### Closed: Re: Tracking in satellite communications

Special Antenna feed system is design for satellite autotracking. The antenna of the satellite must be pointed accurately toward the earth station antenna with which the satellite is in communication...
9. ## Thread: UHF RFID band and its antenna

by anilkrpandey
Replies
3
Views
704

### Closed: Re: UHF RFID band and its antenna

Antenna can be made multi-band resonator using various techniques like Frequency reconfigurable Antennas.
10. ## Thread: N-well antenna effect

by anilkrpandey
Replies
3
Views
1,982

### Closed: Re: N-well antenna effect

N-well antenna is used to remove antenna error in SoC design. Antenna rules are used in SoC design to check for excessive accumulation of charge on metal during fabrication. Antenna error happens...
11. ## Thread: MMWAVE Layout and EM Simulation

by anilkrpandey
Replies
4
Views
1,789

### Closed: Re: MMWAVE Layout and EM Simulation

You can use advanced "ADS - Virtuoso Interoperability Feature" (Supported ADS 2016 onwards)
12. ## Thread: Patch antenna array.

by anilkrpandey
Replies
3
Views
1,638

### Closed: Re: Patch antenna array.

It all depends on your antenna feed network design.
13. ## Thread: Problem in placing the waveguide for a CAD model SMA connector in CST

by anilkrpandey
Replies
1
Views
1,298

### Closed: Re: Problem in placing the waveguide for a CAD model SMA connector in CST

Select the face of the outer conductor ( or inner conductor) of it and I placed the WG port using this pick. The signal in a coaxial line is defined by the E field in between the two conductors, that...
14. ## Thread: Help: EM Simulator package required for designing magnetic coupling

by anilkrpandey
Replies
11
Views
3,740

### Closed: Re: Help: EM Simulator package required for designing magnetic coupling

Also, you can use Keysight's EMPro FEM or FDTD simulator
http://www.keysight.com/en/pc-1297143/empro-3d-em-simulation-software?cc=US&lc=eng
15. ## Thread: Error generating netlist when importing momentum component into schematic

by anilkrpandey
Replies
2
Views
3,354

### Closed: Re: Error generating netlist when importing momentum component into schematic

Also, double check which view of EM component are you using in schematic simulation, ideally it should be emModel
138831
16. ## Thread: drawing coaxial feed for antenna

by anilkrpandey
Replies
1
Views
790

### Closed: Re: drawing coaxial feed for antenna

Antenna simulation with defined port gives almost same result as port defined at the coaxial input. But defenelty port defined at coaxial input will be more close to real world design.
17. ## Thread: Exchange format for Keysight Momentum on ADS

by anilkrpandey
Replies
4
Views
2,279

### Closed: Re: Exchange format for Keysight Momentum on ADS

DXF or if you have ODB++ file that can be also used.
18. ## Thread: ADS to CST layout import

by anilkrpandey
Replies
2
Views
2,373

### Closed: Re: ADS to CST layout import

You can also try ADS DXF file format.
19. ## Thread: ADS schematic s-param simulation differce EM S-param simulation

by anilkrpandey
Replies
2
Views
912

### Closed: Re: ADS schematic s-param simulation differce EM S-param simulation

If possible attach your ADS project also.
20. ## Thread: LineCalc parameters interpretation ADS

by anilkrpandey
Replies
2
Views
967

### Closed: Re: LineCalc parameters interpretation ADS

What is this 3D shape, it this transmission line ( liek Microstrip line)?
In ADS, for microstrip line it is like
136686
21. ## Thread: Strange EM cosimulation, Keysight ADS

by anilkrpandey
Replies
14
Views
3,298

### [SOLVED]Closed: Re: Strange EM cosimulation, Keysight ADS

Also check defined port impedance for EM simulation, is it same for all port?
22. ## Thread: effective permittivity and wavelength when using air gap

by anilkrpandey
Replies
3
Views
1,106

### [SOLVED]Closed: Re: effective permittivity and wavelength when using air gap

Are you using Air as substrate ? Interested of air you can also use low dielectric constant Foam materials.

by anilkrpandey
Replies
6
Views
1,425

### Closed: Re: Broadside Coupled Balun ADS Port Definition

You can also try SMD or delta Gap port type then make it diffrential in Schematic simulation if needed.
24. ## Thread: Warning message when converting layout to schematic

by anilkrpandey
Replies
3
Views
1,033

### [SOLVED]Closed: Re: Warning message when converting layout to schematic

In layout for EM simulation, ground symbol is not required so you can delete these ground symbol in schematic before layout file generation.