My 160 TX is causing RFI to one of my baseboard heater programmable thermostats
(switches modes, temperature, when I transmit). The thermostat has a 2 wire
connection to 240VAC in a metal receptacle box that has a third wire common
ground wire. I would like to try bypassing the AC line. Can
My 160 TX is causing RFI to one of my baseboard heater programmable
thermostats (switches modes, temperature, when I transmit). The
thermostat
has a 2 wire connection to 240VAC in a metal receptacle box that has a
third wire common ground wire. I would like to try bypassing the AC
line.
Can
My 160 TX is causing RFI to one of my baseboard heater programmable
thermostats (switches modes, temperature, when I transmit). The thermostat
has a 2 wire connection to 240VAC in a metal receptacle box that has a
third wire common ground wire. I would like to try bypassing the AC line.
Can
Christensen'; topband@contesting.com
Subject: Re: Topband: AC line bypass capacitors
Hi Charlie,
I can remember when the Collins S-Line used .01 600volt disk ceramic
capacitors on the power supply connector. They were from the AC switch to
ground. They were almost always burnt and many times only the leads
!
73,
Charlie, K4OTV
-Original Message-
From: Topband [mailto:topband-boun...@contesting.com] On Behalf Of Paul
Christensen
Sent: Wednesday, February 04, 2015 3:55 PM
To: topband@contesting.com
Subject: Re: Topband: AC line bypass capacitors
My 160 TX is causing RFI to one of my
.
Check Digi-Key, Newark and others - you'll find plenty!
73,
Charlie, K4OTV
-Original Message-
From: Topband [mailto:topband-boun...@contesting.com] On Behalf Of Paul
Christensen
Sent: Wednesday, February 04, 2015 3:55 PM
To: topband@contesting.com
Subject: Re: Topband: AC line bypass
Digikey carries Panasonic's line of ac Lin filter caps. They are
Sent from my iPhone
On Feb 4, 2015, at 12:52 PM, Roger Graves ve...@shaw.ca wrote:
My 160 TX is causing RFI to one of my baseboard heater programmable
thermostats (switches modes, temperature, when I transmit). The thermostat
Digikey carries the Panasonic ECQ-UL series film capacitors that are rated for
use as ac line bypass caps. I've used them before in thyristor (triacs, in this
case) phase control drivers. They are durable and inexpensive.
They are generally either 250vac or 275vac rated.
-Bill
Sent from my
To add to this, I used 1,000vac rated ceramic caps in a VFD once some years
back and they failed in spectacular fashion. This was in a 277vac system. Such
caps should NOT be used on the AC line!
Use the ones intended for AC line filtering. They tend to be film caps and they
are intended for
