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UPD17012GF-058 Datasheet(PDF) 8 Page - NEC |
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UPD17012GF-058 Datasheet(HTML) 8 Page - NEC |
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8 / 92 page  µPD17012GF-058 8 12 13 14 FMIFC AMIFC KY-IN FM intermediate frequency input AM intermediate frequency input Key input Input Input Input Pin No. Symbol Pin name Description I/O type Input pin of the intermediate frequency (IF) in the FM band To protect the built-in AC amplifier, block the flow of direct current with a capacitor, then input the frequency. When the ENFMIF switch (initial setting diode) is set to 1, this pin is used to detect a station during auto-tuning. If the input frequency range and conditions listed below are satisfied, it is judged that a station has been found. A frequency within input frequency range <1> must be input within 20 ms of the PLL being locked. If a frequency is included in both input frequency ranges <1> and <2>, it is judged that a station has been found. Auto-tuning is stopped. Input pin for the intermediate frequency (IF) in the AM (MW, LW) band. To protect the built-in AC amplifier, block the flow of direct current with a capacitor, then input the frequency. If the initial setting diode ENAMIF is set to 1, this pin is used to detect whether a station is found in auto-tuning. If the input frequency range and conditions listed below are satisfied, it is judged that a station has been found. A frequency within input frequency range <1> must be input within 20 ms of the PLL being locked. If a frequency is included in both input frequency ranges <1> and <2>, it is judged that a station has been found. Auto-tuning is stopped. Input pin for the key return signal of the momentary key matrix 10.7 MHz ±50 kHz FM 10.7 MHz ±12.5 kHz Input frequency range <1> Band Input frequency range <2> Item 450 ± 5 450 ± 5 MW LW 450 ± 2 450 ± 0.5 Input frequency range <1> [kHz] Band Input frequency range <2> [kHz] Item |
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Similar Description - UPD17012GF-058 |
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