This is a basic tutorial on PIN Diodes, with some examples of how they are used in RF switch applications.
discussing the unique characteristics of PIN diodes and how these characteristics are used for switching large RF signals. The unique ability to have the resistance of the diode be adjusted by changing the bias current can be used for other applications such as variable attenuators, modulators, phase shifters, etc.
PIN diodes aren’t suitable in applications that require fast turn-off characteristics when reversed biased – such as rectifier, detector or mixer applications. PIN diodes do make excellent fast (relatively speaking) RF switches.
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2 Comments
Tomi Engdahl says:
#82: How to use a Diode as a Switch / Diodes as Switches / Basics of Diode Switches
https://www.youtube.com/watch?v=YBNIq_d56sA
This video answers a lot of questions about how diodes can be used to switch AC / RF signals.
Tomi Engdahl says:
#118: Basics of PIN diodes and their use in RF switch applications
https://www.youtube.com/watch?v=XpYsCM_Wf50
This is a basic tutorial on PIN Diodes, with some examples of how they are used in RF switch applications.
discussing the unique characteristics of PIN diodes and how these characteristics are used for switching large RF signals. The unique ability to have the resistance of the diode be adjusted by changing the bias current can be used for other applications such as variable attenuators, modulators, phase shifters, etc.
PIN diodes aren’t suitable in applications that require fast turn-off characteristics when reversed biased – such as rectifier, detector or mixer applications. PIN diodes do make excellent fast (relatively speaking) RF switches.