Microwave Devices
Just like other systems, the Microwave systems consists of many Microwave components, mainly with source at one end and load at the other, which are all connected with waveguides or…
Monolithic Microwave Integrated Circuit (MMIC)
Microwave ICs are the best alternative to conventional waveguide or coaxial circuits, as they are low in weight, small in size, highly reliable and reproducible. The basic materials used for…
BARITT Diode
The full form of BARITT Diode is BARrier Injection Transit Time diode. These are the latest invention in this family. Though these diodes have long drift regions like IMPATT diodes, the…
TRAPATT Diode
The full form of TRAPATT diode is TRApped Plasma Avalanche Triggered Transit diode. A microwave generator which operates between hundreds of MHz to GHz. These are high peak power diodes usually n+-…
IMPATT Diode
This is a high-power semiconductor diode, used in high frequency microwave applications. The full form IMPATT is IMPact ionization Avalanche Transit Time diode. A voltage gradient when applied to the IMPATT…
Gunn Effect Devices
J B Gunn discovered periodic fluctuations of current passing through the n-type GaAs specimen when the applied voltage exceeded a certain critical value. In these diodes, there are two valleys, L & U…
Schottky Barrier Diode
This is a simple diode that exhibits non-linear impedance. These diodes are mostly used for microwave detection and mixing. Construction of Schottky Barrier Diode A semi-conductor pellet is mounted on…
Microwave Transistors
There is a need to develop special transistors to tolerate the microwave frequencies. Hence for microwave applications, silicon n-p-n transistorsthat can provide adequate powers at microwave frequencies have been developed. They…
Varactor Diode
A voltage variable capacitance of a reverse biased junction can be termed as a Varactor diode. Varactor diode is a semi-conductor device in which the junction capacitance can be varied…
Transmission Lines Vs Waveguides
The main difference between a transmission line and a wave guide is − · A two conductor structure that can support a TEM wave is a transmission line. · A one conductor structure that can support…
