Home |
Search |
Today's Posts |
#11
|
|||
|
|||
Well, can't remember where I seen that "directional coupler", but will be
willing to give the designer credit if he makes himself know... The led indicating circuit is my design... It seems to work, all I have is another SWR with analog meter I constructed myself to compare it with, soon as I locate someone with a commercial meter--I will compare both of mine to it... Only real apparent problem is the REF led changes brightness slowly (and here it is hard to "judge" SWR by brilliance), until right at, or near, match, when it will plunge to darkness rather quickly... Well, show me what is wrong and suggest an alternative circuit or mods to set it proper (or explain in text, I will see how good I am at word problems here)--I am all EARS Cecil... smile Regards, John "Cecil Moore" wrote in message ... | John Smith wrote: | OK, one... more.... time!!! there is no time yanno! | Please someone, see if you can view the page he | http://blake.prohosting.com/mailguy2/JS-swr.jpg | | You have a number of problems. Where did you get that design? | In order to separate the forward power from the reflected | power, you need to use phasor addition/subtraction of voltage | and current. You only have current sampled. Where is your | voltage sample? Where is your phasor addition/subtraction? | -- | 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! 100,000 Newsgroups | ---= East/West-Coast Server Farms - Total Privacy via Encryption =--- |
Thread Tools | Search this Thread |
Display Modes | |
|
|
Similar Threads | ||||
Thread | Forum | |||
FS: MFJ 941D Antenna Tuner + MFJ 204B Antenna Bridge + MFJ 202B Noise Bridge | Shortwave | |||
FS: MFJ 941D Antenna Tuner + MFJ 204B Antenna Bridge + MFJ 202B Noise Bridge | Swap | |||
Bridge Megger Tester. Series 2. 500 Volt. | Boatanchors | |||
FS: E.F. Johnson Phone Patch and SWR Bridge, Gonset CPO | Equipment | |||
FS Tennatest RF Noise Bridge 1-150 MHz | Swap |