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SMT PCB Circuit Design

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nicole.49

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I'm new to SMT circuit design and I'm wondering is that okay to connect a SMD component to a transmission line (microstrip) which has a width larger than that of the component? Besides, I'd also like to know if it's alright to connect two SMD components on the PCB without a microstrip line in between? My simulation results show that its fine but I'm not sure if it causes significant losses or other problems practically.
 

KlausST

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Hi,

Microstrip is only for HF...and only for traces with a length of more than 20% (depends on your needs) of the wavelength.
But there is no information about HF at all in your post, thus I assume you don't need to care about it ..

Klaus
 

nicole.49

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Hi,

Microstrip is only for HF...and only for traces with a length of more than 20% (depends on your needs) of the wavelength.
But there is no information about HF at all in your post, thus I assume you don't need to care about it ..

Klaus
Thank you for your reply, and to clarify, the SMT circuit that I am designing is a rectifier which operates at 900 MHz
 

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