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Problem with diode starting low in pin diode limiter design

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breitfuss

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Hello!

I´d like to design a limiter with pin diodes. When I use two pin diodes (without active biasing) the point at which limitation starts is to low. The limitation begins at 5dbm - I need it at 30 dbm.
How can I solve the problem? Any usefully documents?

nice greeting :)
 

Re: pin diode limiter

Try the links below for application notes.

As for diode choice, that depends on your frequency range and manufacturing techniques. The diode manufacturer's applications departments would be a good place to start.

**broken link removed**

Microsemi PIN diode handbook
https://www.qsl.net/n9zia/pdf/pin_diode_handbook.pdf
Mainly switches

Google Agilent Application note 1050

Peter
 

Re: pin diode limiter

kspalla said:
You can use a coupler with 25dB coupling then limit
good idea
 

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