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Title: B&W COILS..ID? Post by: ve6pg on October 23, 2005, 06:00:35 PM HI FROM TIM..'PICKED UP A BOX OF "STUFF" AT A HAMFEST LAST WEEK..INSIDE WERE 2 PLUG IN COILS..B&W, MARKED" 80 TVL",AND "20 TVL"..THE 20 TVL IS LARGER,AND SOMEONE HAS ADDED TURNS BETWEEN THE 2 COILS...ANY IDEAS WHAT THESE ARE FOR?..TNX...SK...
Title: Re: B&W COILS..ID? Post by: W3NP on October 24, 2005, 01:24:16 PM They are push-pull plate tank coils of the 300-500 watt power class. Usually there is a swinging link that '"swings" in and out between the two coil halves to couple to the antenna circuit.
I use them in my homebrew PP triode rig with either 812H's or V70D's - my avatar shows the 80 meter coil...do they look like that? Title: Re: B&W COILS..ID? Post by: ve6pg on October 24, 2005, 02:00:48 PM ..dave..ya,this is how they look..one has had the" gap" filled with extra turns...thought i would grab that box,with all the stuff,as i dont think it is a good idea fer this stuff to find it's way into a landfill...tim...sk.. AMfone - Dedicated to Amplitude Modulation on the Amateur Radio Bands
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