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Nov 01, 2020
06:04 PM
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Nov 01, 2020
06:04 PM
Hello.
I have been using the diodes as an RF detector for 2.4GHz signals. After few tests the diodes keep breaking down and I have to change the diodes. Reverse Voltage ( Vr) is below the max ratings for both of them. Circuit used for this is in the document "RF and microwave power detection with
Schottky diodes" as attached.
Can you please help me understand why this is happening and any suggestions on how I can stop this from happening?
Thank you
I have been using the diodes as an RF detector for 2.4GHz signals. After few tests the diodes keep breaking down and I have to change the diodes. Reverse Voltage ( Vr) is below the max ratings for both of them. Circuit used for this is in the document "RF and microwave power detection with
Schottky diodes" as attached.
Can you please help me understand why this is happening and any suggestions on how I can stop this from happening?
Thank you
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1 Solution
Dec 06, 2022
11:36 PM
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Dec 06, 2022
11:36 PM
Hello,
Have you checked that the bypass capacitor is chosen to be 1nF?
So that it has low ohmic capacitive reactance up to 6 GHz.
RL between 10kohm and 1Mohm
Best regards,
Kieran
1 Reply
Dec 06, 2022
11:36 PM
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Dec 06, 2022
11:36 PM
Hello,
Have you checked that the bypass capacitor is chosen to be 1nF?
So that it has low ohmic capacitive reactance up to 6 GHz.
RL between 10kohm and 1Mohm
Best regards,
Kieran