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Should the 1.5nF capacitor on the Rx inputs be NP0 / C0G types or are X7R and similar parts suitable?

April 26, 2017Capacitor inputs Rx similar types

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Should the 1.5nF capacitor on the Rx inputs be NP0 / C0G types or are X7R and similar parts suitable?

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A. NPO / COG capacitors are usually found in RF circuits where the first point at which self-resonance occurs is very high. The capacitors will be coupling baseband signals only and therefore X7R and similar general purpose types will be suitable.