General Concepts 1 min read
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…
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Schottky Barrier Diode
This is a simple diode that exhibits non-linear impedance. These diodes are mostly used for microwave detection and mixing. Construction…
General Concepts 2 min read
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…
General Concepts 1 min read
Varactor Diode
A voltage variable capacitance of a reverse biased junction can be termed as a Varactor diode. Varactor diode is a…
General Concepts 1 min read
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…
General Concepts 2 min read
Microwave Waveguides
Generally, if the frequency of a signal or a particular band of signals is high, the bandwidth utilization is high…
General Concepts 4 min read
Types of Transmission Lines
The conventional open-wire transmission lines are not suitable for microwave transmission, as the radiation losses would be high. At Microwave…
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Stub Matching
If the load impedance mismatches the source impedance, a method called “Stub Matching” is sometimes used to achieve matching. The…
General Concepts 1 min read
Losses due to Impedance Mismatch
The transmission line, if not terminated with a matched load, occurs in losses. These losses are many types such as…
General Concepts 1 min read
Efficiency of Transmission Lines
The efficiency of transmission lines is defined as the ratio of the output power to the input power. Voltage Regulation…
General Concepts 1 min read
Voltage Standing Wave Ratio (VSWR)
The standing wave is formed when the incident wave gets reflected. The standing wave which is formed, contains some voltage.…
General Concepts 3 min read
Microwave Transmission Line
A transmission line is a connector which transmits energy from one point to another. The study of transmission line theory is helpful…