[SI-LIST] [SI-List]: Energy at the quarter-wave stub resonant frequency
- From: vinod ah <ah.vinod@xxxxxxxxx>
- To: SI-LIST <si-list@xxxxxxxxxxxxx>
- Date: Wed, 26 Nov 2014 15:18:28 +0530
Hi All,
I have a very basic query on quarter wave stubs.
In a FR4 board, with typical Tx to Rx connection using PCB trace with stub,
signal left the Tx but did not make it to the Rx due to quarter-wave stub
resonant frequency matching the signal frequency. This is expected.
But i am unable to understand where did the signal energy go?
I understand that there is cancellation due to quarter wave, but i unable
to understand from energy cancellation point of view because Tx has
launched the energy, but Rx is not seeing it.
Regards
Vinod A H
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