hello
I have an swr meter, its a team 1180-p
http://www.pjbox.co.uk/swr-team-cb-swr-meter-1180p-26-30-mhz.html
I am using a ft817 5 watt with power supply, 2.5 watts with battery.
I can get full scale deflection when using 5 watts, though the power is half what it should be.
there is a 10watt and 100 watt switch on the meter. I can only use the meter on 10 watts. im guessing that the meter is showing half the power im putting in because it expects 10 watts instead of 5.
is this correct?
I think that it has something to do with the power formula and the squared bit in it. (v^2/r)
is there a way to modify the meter to get it to show the correct power in.
thanks
simon
I have an swr meter, its a team 1180-p
http://www.pjbox.co.uk/swr-team-cb-swr-meter-1180p-26-30-mhz.html
I am using a ft817 5 watt with power supply, 2.5 watts with battery.
I can get full scale deflection when using 5 watts, though the power is half what it should be.
there is a 10watt and 100 watt switch on the meter. I can only use the meter on 10 watts. im guessing that the meter is showing half the power im putting in because it expects 10 watts instead of 5.
is this correct?
I think that it has something to do with the power formula and the squared bit in it. (v^2/r)
is there a way to modify the meter to get it to show the correct power in.
thanks
simon