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SI4844-B-DEMO Fiches technique(PDF) 1 Page - Silicon Laboratories |
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SI4844-B-DEMO Fiches technique(HTML) 1 Page - Silicon Laboratories |
1 / 18 page Rev. 0.1 5/13 Copyright © 2016 by Silicon Laboratories Si4844-B-DEMO Si4844-B-DEMO Si4844-B D EMO B OARD U SER ’S G UIDE 1. Features ATDD (analog tune and digital display) FM/AM/SW radio Worldwide FM band support from 64 to 109 MHz with 5 default sub-bands: FM1 87–108 MHz (Demo Board Default) FM2 86.5–109 MHz FM3 87.3 –108.25 MHz FM4 76– 90 MHz FM5 64–87 MHz (Demo Board Default) Worldwide AM band support from 504 kHz to 1750 kHz with 5 default sub-bands: AM1 520–1710 kHz (Demo Board Default) AM2 522–1620 kHz (Demo Board Default) AM3 504–1665 kHz AM4 520–1730 kHz AM5 510 –1750 kHz Worldwide SW band support from 2.3 to 22 MHz with 16 default sub-bands: SW1 5.6–6.4 MHz (DEMO Board Default) SW2 5.95–6.2 MHz SW3 6.8–7.6 MHz (DEMO Board Default) SW4 7.1–7.6 MHz SW5 9.2 –10 MHz (DEMO Board Default) SW6 9.2–9.9 MHz SW7 11.45 –12.25 MHz (DEMO Board Default) SW8 11.6–12.2 MHz SW9 13.4–14.2 MHz (DEMO Board Default) SW10 13.57 - 13.87 MHz SW11 15–15.9 MHz (DEMO Board Default) SW12 15.1–15.8 MHz SW13 17.1–18 MHz (DEMO Board Default) SW14 17.48–17.9 MHz SW15 21.2–22 MHz (DEMO Board Default) SW16 21.45–21.85 MHz Supports wider FM/SW band range Twelve positions slide switch or one push button for selecting different bands according to the target application Two AAA battery operations with working voltage down to 2.0 V Economical potentiometer for frequency tuning replaces more expensive variable capacitor (PVC) Potentiometer and/or push button volume control FM 50 µs or 75 µs (default) de-emphasis 9-level Bass/Treble via push button control for FM 7-level Bass/Treble via push button control for AM/ SW FM/AM/SW band indicator and frequency display in LCD 2×4 matrix keypad The frequency range of each band, de-emphasis, and AM channel space can be re-configured by host MCU. |
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Description similaire - SI4844-B-DEMO |
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