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Tom Donaly wrote:
VSWR stands for Voltage Standing Wave Ratio. It's supposed to be the ratio of the greatest voltage on a transmission line to the least voltage on the same line. On the line with a 72 ohm Z0, and a 50 ohm load, there exists a standing wave, and the ratio of maximum to minimum is 1.44 whether you measure it with a 50 ohm bridge at the beginning or not. If you define SWR as what a 50 ohm SWR bridge measures, you haven't quite grasped the concept. And Fred didn't ask what an SWR bridge would measure. He asked: "What would the SWR be ... ?" You're right. The SWR would be 1.44:1. -- 73, Cecil http://www.qsl.net/w5dxp ----== Posted via Newsfeeds.Com - Unlimited-Uncensored-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! 120,000+ Newsgroups ----= East and West-Coast Server Farms - Total Privacy via Encryption =---- |
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