Impedance Transformer Design
The role of impedance transformer is crucial in RF microwave input/output impedance matching and antenna feed network design. Impedance transformer are primarily used as bridging network between two...
View ArticleElectromagnetic Band-Gap (EBG) Design: Metamaterials
[*]Periodic arrangement of dielectric or magnetic materials that result in the formation of stop bands [*]No surface waves can propagate in the EBG structure ( a form of Metamaterial) inside this...
View ArticleHow to select Array Antenna Feed Network
Feed network for microwave applications is a major design concern in terms of complexity and size. There is various kind of feeding network of an array antenna. Feed network depend on antenna type and...
View ArticleClik here to view.
Design of Planar Antennas for Wireless Applications
Planar antennas, including microstrip and printed antennas, metal-plate antennas, ceramic chip and dielectric resonator antennas have a low profile hence, these antennas have extensive applications in...
View ArticleFractal Antenna Concept and Design
Fractal’ term was first coined by Benoit Mandelbrot in 1983 to classify the structure whose dimensions were not whole numbers. One of the properties of fractals geometry is that it can have an infinite...
View ArticleClik here to view.
Monopulse Tracking System for Satellite Tracking
A tracking system in earth station antenna tracks the motion of the satellite. Especially in the case of Low-earth-orbit (LEO) satellites, that appears for the small time window to earth station...
View ArticleCell phone antenna radiation effect on organisms
To simulate a cell phone antenna to study the effect of the radiation on organisms, a simulation to evaluate cell phone antenna in the presence of a human body, with particular emphasis on the head and...
View ArticleClik here to view.
Waveguide Rotary Joints Design
A Rotary Joint (RJ) is a wide spread microwave device that is used to change the direction of microwave propagation between two waveguides by rotating one with respect to another. Rotary joints find...
View ArticleClik here to view.
Corrugated Horn Antenna Design
orrugated horn antenna has parallel slots or grooves, small compared with a wavelength, covering the inside surface of the horn, transverse to the axis. Corrugated horns have wider bandwidth and...
View ArticleEMI and EMC Compliance Testing in Smartphone
EMC within electronic components has become an increasingly important issue for embedded designers to contend with. As system frequencies and the need for lower supply voltages increase, the end...
View ArticleClik here to view.
Electrostatic Discharge (ESD) Analysis
What is ESD? Electrostatic discharge(ESD) is the sudden and momentary electric current that flows between two objects at different electrical potentials caused by direct contact or induced by an...
View ArticleHuman Body Effect on Smart Phone Antenna Performance
Antenna modeling in smart phone devices, using electromagnetic simulation software, has improved significantly by allowing the simulation of the antenna behavior in complex environments surrounding the...
View ArticleMultilayer Microstrip Array Antenna Design
The desirable features of antenna for Airborne SAR applications include shaped radiation pattern and wide bandwidth capability, good cross polarization isolation and high power capability. Shaped...
View ArticleClik here to view.
Power of Power Integrity Analysis in High Speed Digital Designs
The Emergence of Power Integrity Analysis As the speed of the data signal increases, many reasons including power supply noise lead to the degradation of the high-speed signals. In low power...
View ArticleInverted-F Antenna Design for Mobile Phone
Bluetooth is a wireless technology standard for exchanging data over short distances (using short-wavelength radio transmissions in the ISM band from 2400–2480 MHz) from fixed and mobile devices,...
View ArticleClik here to view.
Time Domain Reflectometry (TDR) Analysis of Transmission Lines
Time Domain Reflectometry is the analysis of conductor lines (interconnects)by sending a pulsed signal into the conductor and then examining the reflection of that pulse. A TDR transmits a short rise...
View ArticlePrinted Conformal Antennas Design
In many applications pertaining to missile, satellite, spacecraft and aircraft a directive antenna mounted on a curved body is required. Conforming the antenna to the surface save space and is often...
View ArticleClik here to view.
Helix (Helical) Antenna Design
The helix antenna is a travelling wave antenna, which means the current travels along the antenna and the phase varies continuously. Helix antennas (also commonly called helical antennas) invented by...
View ArticleRFID Tag and Reader Antennas
RFID stands for Radio-Frequency Identification. The RFID device provides a unique identifier for that object and just as a bar code or magnetic strip the RFID device must be scanned to retrieve the...
View ArticleCapacitive RF MEMS Switch Design and Simulation
The switching is required in many applications at low as well as at high frequency. RF MEMS switches are the specific micromechanical switches that are designed to operate at RF to mmWave frequencies....
View Article