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File /AG5RT/LZ1AQ amplifier noise reduction.pdf uploaded
#file-notice
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Group Notification
The following items have been added to the Files area of the loopantennas@groups.io group. By: Mark Whittington AG5RT <mark-whittington@...> Description: |
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Maybe that is why the original East German design had a suitable inductor in the same place Paul VE3PVB
On Wednesday, March 19, 2025 at 10:12:17 p.m. EDT, Group Notification <noreply@groups.io> wrote:
The following items have been added to the Files area of the loopantennas@groups.io group. By: Mark Whittington AG5RT <mark-whittington@...> Description: |
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On Thursday, March 20, 2025 at 01:58:00 a.m. EDT, Dan Clementi <dan@...> wrote:
On Thu, Mar 20, 2025 at 12:28 AM, Paul V Birke wrote:
Maybe that is why the original East German design had a suitable inductor in the same place East German???? To what are you referring?
As far as I am aware, the LZ1AQ loop amplifier is this one:
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Dan - K3GMQ
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Complementary Push-Pull Amplifiers for Active Antennas: A Critical Review by Chris Trask / N7ZWY Sonoran Radio Research P.O. Box 25240 Tempe, AZ 85285-5240 Dan, this paper contains the East German KA-1000 design...please download Paul?? VE3PVB
On Thursday, March 20, 2025 at 01:58:00 a.m. EDT, Dan Clementi <dan@...> wrote:
On Thu, Mar 20, 2025 at 12:28 AM, Paul V Birke wrote:
Maybe that is why the original East German design had a suitable inductor in the same place East German???? To what are you referring?
As far as I am aware, the LZ1AQ loop amplifier is this one:
?
Dan - K3GMQ
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On Thu, Mar 20, 2025 at 04:10 AM, Paul V Birke wrote:
Maybe that is why the original East German design had a suitable inductor in the same place There is also this German design that uses the inductors:? ?"Aktiv empangen mit neuen Ideen" (new ideas for active reception)?
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This may have been the inspiration for the LZ1AQ design.
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Mark |
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Dear Mark can you send me the reference directly to me thanks Paul? VE3PVB
On Thursday, March 20, 2025 at 07:39:27 a.m. EDT, Mark Whittington AG5RT <mark-whittington@...> wrote:
On Thu, Mar 20, 2025 at 04:10 AM, Paul V Birke wrote:
Maybe that is why the original East German design had a suitable inductor in the same place There is also this German design that uses the inductors:? ?"Aktiv empangen mit neuen Ideen" (new ideas for active reception)?
?
This may have been the inspiration for the LZ1AQ design.
?
Mark
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On Thu, Mar 20, 2025 at 05:15 AM, Paul V Birke wrote:
can you send me the reference directly to me Hi Paul,
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Is the link not working?? If not, you can search on the German word "aktiv" in the files section.? If that does not work, you can contact me directly:? mark-whittington@...
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Mark
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