[Elecraft] K3 Low Pass Question

[W8JI Tom]

<<<An argument in favor of leaving the LPF in the line would be to keep 
strong VHF or UHF signals out of the receiver. Although there aren't as many 
TV stations in the VHF region any more, there are still plenty of FM 
broadcast signals that in an extreme case could create intermodulation 
distortion (or blocking) in your receiver.>>>


Does that stuff really get into the receiver and bother it??

If so, I'm a little suprised and wonder why that would happen. Ground loops? 
Semiconductors before filters?



For example, here in Los Angeles all of the broadcasting is on one 
mountaintop, 3 miles north of me, consisting of about 25 MW ERP. I use an 
LPF for that reason.

But if a situation like that doesn't apply to you, you could probably do 
without it.

Al W6LX

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Just wondering if many K3 owners have a low pass filter in their coax line?

Jim / W6JHB
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