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Negative Noise Figure loop Amplifier

(14)
Mike, wrote on June 30. ... As for the NF measurement, this metrics is defined for Z=50 Ohm systems, and extending it to inductive impedance only creates
Andrew Ikin
14
posts
Jun 30

Highest Q loop

(20)
Thanks Paul, Extremely interesting and informative. Yes--I meant 19 foot circumference. I currently have a very high current 350pf VVC in customs-should be
Mike Penkas
20
posts
Jun 18

Bending pvc pipe

(7)
Heat works ok, but electricians also use bending springs for 1/2" and 3/4" PVC. They work well. Both electric supply shops near me have springs and short
david.sarraf
7
posts
Jun 17

Multi Turn Loops

(29)
Hi Brian If you are interested, EZNEC has a free evaluation form of the software you can use to evaluate, say, a dipole or something simple. Check out at ===>
Dick Bingham
29
posts
Jun 13

Commercial magnetic loop antennas

(8)
OK, thanks a lot Rick, I’m going to look at a couple of screw antennas next week along with some attachments to put them together. I hope I still have an arm
Jerry Haun
8
posts
Jun 4

loop sky wire tuner problems

(3)
Hi Sal, about 45 w carrier, which is the same as I have used for last 5 years. regards peter On 29 May 2015 at 13:18, sal.cerda@rocketmail.com [loopantennas]
PETER CLEALL
3
posts
May 29

Highest Q loop configuration

(12)
Has anyone ever tried to use the 2-turn pickup coil on an Eton/Grundig/Tecsun AN-200? It's wound directly under the primary coil. I'm not sure what was
Bob C
12
posts
May 4
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