File:Polar-discriminator-output-time-domain.png
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Summary
The output of the polar discriminator is the frequency deviation of the input FM signal. FM broadcast stations in the US use deviation values between 75 kHz (the typical value) up to ~82 kHz (in some instances). By setting the "Gain" value in the Quadrature Demod block to samp_rate/(2*pi), the output will have amplitude values of the deviation of the FM carrier.
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 03:29, 31 December 2024 | | 1,545 × 817 (107 KB) | Jesternofool (talk | contribs) | Vertical axis was corrected. |
| 03:18, 31 December 2024 |  | 1,545 × 817 (103 KB) | Jesternofool (talk | contribs) | The output of the polar discriminator is the frequency deviation of the input FM signal. FM broadcast stations in the US use deviation values between 75 kHz (the typical value) up to ~82 kHz (in some instances). By setting the "Gain" value in the Quadrature Demod block to samp_rate/(2*pi), the output will have amplitude values of the deviation of the FM carrier. |
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