I've taken a couple of those apart -
those were voltage baluns - transformers
I've used them for transmitting low power on 10 meters
(so I could use 300 ohm cable for the antenna run)


"puns" wrote in message
news:jzuoe.940$KQ2.679@trnddc08...
Are those small 300/75 ohm tv baluns. voltage or current type?