C-Message Weighting With Notch Characteristic; Signal-To-Noise Measurement - HP 4935A Operating And Service Manual

Model 4'135A
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Figure 3-l 1. C-Message Weighting with Notch Characteristic
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LOG
S-T-N RATIO = 10
Figure 3-12. Signal-to-Noise Measurement
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SIGNAL + NOISE
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Operation