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Cold Test SLED Signals from Combiner input to 3dB Divider output

This document outlines the cold test results for the SLED signals from the combiner input to the 3dB divider output. The measured loss was approximately -2.42 dB, with a scattering parameter |S21| of 0.757. The first bin recorded values of ~0.216, 0.613, and 0.757*2, resulting in a total of ~0.9335. The transmission efficiency achieved was around 87.15%. The SLED gain measured at ~2.80, which is slightly under-tuned; the target is ~3.1. The overall gain was approximately 2.44, with a goal of reaching 2.7.

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Cold Test SLED Signals from Combiner input to 3dB Divider output

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  1. Cold Test SLED Signalsfrom Combiner input to 3dB Divider output Cold test WR90 loss: ~-2.42dB (|S21| = 0.757) First bin: ~0.216/.613/.757*2 = 0.9335 Transmission efficiency: ~87.15% SLED Gain: ~2.80 (not quite tuned, should go to ~3.1) Overall gain: ~2.44 (should go to ~2.7) left right

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