>How do you operate QSK with that kind of setup ?
I don't operate QSK but I am sure there are QSK ways of protecting
preamps. This is a question for the QRO CW DX folks.
Rob
K5UJ
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Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
Date: Wed, 8 Nov 2023 06:12:07 -0600
From: Rob Atkinson
To: topband@contesting.com
Subject: Topband: ICE Model 135B Preamp
http://www.contesting.com/_topband - Topband Reflector
On those ICE preamps, check the small dipped inductors, because they
can blow open if the preamp is exposed to a high enough RF field. If
your preamp is on a rx antenna and you are transmitting with ham QRO
nearby that's enough to do it. IIRC powering down the preamp isn't
enough. It has to be
Does anyone know the active element or have a schematic for the ICE 135B preamp
? I really like this preamp and bought it years ago (for about 50 bucks). It is
no longer working and suspect the FET (?) is blown.
73, Jamie
WB4YDL
Sent from my iPad
_
Searchable Archives:
I have a new ICE Model 402 receive only BCB Filter (high pass 1.8 MHz
up) 50 Ohm, that I do not need. If interested please contact me off
list.
73 Joel W5ZN
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Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
Anyone on this list interested in an ICE 402X BCB filter? Please contact me
off list.
Thanks - Jim, WS6X
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Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
The ice that fell off my Yagi's typically measures about 1 thick off the
largest pieces, and 1/2 thick on the smaller thicknesses. I'm going to
assume the thick pieces are from the bottoms, so that's probably like 3/4
inch radial ice.
We lost power just before sunset last night.The power
The last ice storm surely would have taken down my 160m inverted-L, had it
not been for the counterweight at the end. (It's made from #16 THHN, not
very strong.) The pulley did not completely ice up, apparently because it
moved every so often as ice made the antenna heavier.
At one point, the ice
...@contesting.com] On Behalf Of Tom W8JI
Sent: Thursday, February 13, 2014 3:33 PM
To: topband@contesting.com
Subject: Topband: Ice
The ice that fell off my Yagi's typically measures about 1 thick off the
largest pieces, and 1/2 thick on the smaller thicknesses. I'm going to
assume the thick pieces
I lost one wire on one of the Beverages (where there was a kink from
other
damage), but it's a matter of time before a bigger ice storm
completely
takes down both Beverages. I'm toying with the idea of
counterweights at
the ends to help protect them. The pulleys are already there.
73,
I believe OH8X had one or more “hammers” mounted to their 160 Yagi to help
remove the ice buildup. Sadly their extraordinary effort recently fell victim
to winds and reportedly torque: http://dx-world.net/2013/oh8x-tower-collapse/
Not sure what the answer is. My Puny 3-el SteppIR with
A few months ago there was a post that ICE is now:
http://www.morganmfg.us/
I asked about the ICE 196 and received this:
Sorry, we are not currently supplying that product.
The interior of the 196 can be seen here:
Jay, WXØB, of Array Solutions tells me that they are very close to introducing
products to replace some of the ICE designs no longer available.
The ICE 196 RF limiter and the 197 that adds a lightening arrestor, have been
redesigned to use Mini-Circuits RF transformers that virtually eliminate
Anyone have the specifics of the parts used in the ICE196 front end protector?
A picture of the interior shows two binocular cores, two diodes, a resistor and
two ceramic caps. The manual does not list any details, windings etc. nor can I
find anything web surfing.
Thanks - Steve WB6RSE
Excuse me if this has been asked. I was wondering if anyone on here has
ever used or is currently using the ICE 196 Receiver Protector? What's your
opinion?
I have been using them for some time. I suspect they protect receivers
OK. I did have to put a bandpass filter ahead of mine. On
Excuse me if this has been asked. I was wondering if anyone on here has
ever used or is currently using the ICE 196 Receiver Protector? What's your
opinion?
Thanks,
Scott, K8SM
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UR RST IS ... ... ..9 QSB QSB - hw? BK
When saturated - it does cause broadband diode noise.
http://www.iceradioproducts.com/reconly.html
And the text says:
Circuit uses a multi-stage design of transformer saturation coupling and
current limiters.
The best I can get out of this is that when the transformers saturate,
Bryon PAUL Veal n0ah wrote:
The ICE 196 is a very cool design.but if you are sending out
voltage on your coax to control an antenna switch, relay,
etc...it may adversely effect the controlled device’s ability
to operate properly- The company I purchased this from did not
inform me
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