[CQ-Contest] RFI Faucet

Joe nss at mwt.net
Sun Nov 13 10:49:22 EST 2022

That was my first thought also. I wonder how noisy to YOU that faucet 
might be?

I know a touch lamp on the wife's side of the bed I kill on 40 meters, 
it has three brightness levels and of course off. With every dit it 
changes a level. and when it is on it kills me on every band. so when I 
plan on getting on, it gets un-plugged.


On 11/13/2022 12:39 AM, Jim Brown wrote:
> Hi Keith,
> I'd start by touching base with ARRL's RFI group. Years ago, I heard 
> that touch lamps were not practical to fix, and these faucets may be 
> more of the same. I'm guessing super cheap electronics, running wide 
> open, pretty hi-Z inputs. Could be, for example, a free-running 
> oscillator that gets detuned by proximity. Several years ago, W4UAT 
> gave me a touch-switched LCD monitor that not only put out a ton of RF 
> trash, but turned flips from contest-grade RF. It was no better 
> behaved for me than for Larry, and I gave it away.
> 73, Jim K9YC
> On 11/12/2022 6:00 PM, Keith Dutson wrote:
>> Anyone know how to shield a touch faucet? The model I have is Delta 
>> Faucet Leland Touch Kitchen Faucet. It is powered by 6 AA batteries.  
>> The battery pack is connected to the valve via a pair of wires about 
>> 3 feet in length.  There is also a single wire about two feet in 
>> length connecting the valve to the faucet.
>> Thanks for any advice.
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