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1. Topband: RX input impedance (score: 1): Author: ford@cmgate.com (Ford Peterson); Date: Fri, 19 Jan 2001 00:15:05 -0600; I just used the Autek VA-1 to measure the input impedance of the receiver port on my IC-746. Interesting! On most bands, the input impedance measured in the neighborhood of 50 ohms. On 160 meters, it; /archives//html/Topband/2001-01/msg00187.html (6,913 bytes)
2. Topband: RX input impedance (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Fri, 19 Jan 2001 06:21:20 -0500; Hi Ford, The results might not be accurate. The VA-1 can overload the RF stage, and that will normally change the impedance. I care here, because: 1.) I use narrow selectivity and external noise powe; /archives//html/Topband/2001-01/msg00189.html (7,264 bytes)

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