Silicon Laboratories SI4830 دليل المستخدم

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Si4830
Broadcast Mechanical Tuning AM/FM Radio Receiver
Description
Features
The Si4830 is the first wheel-tuned digital CMOS AM/FM
- Worldwide FM band support (64–108 MHz)
- Worldwide AM band support (520–1710 kHz)
radio receiver IC that integrates the complete receiver
- Selectable support for all AM/FM regional bands
function from antenna input to audio output. Leveraging
- Wheel-tuned / Mechanical-tuned frequency support
Silicon Laboratories' proven and patented digital low
- Mechanica

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Si4830 Broadcast Mechanical Tuning AM/FM Radio Receiver Selected FM Electrical Specifications Parameter Symbol Conditions Min Typ Max Units Input Frequency f 64 — 108 MHz RF Sensitivity (S+N)/N = 26 dB — 2.2 — µV EMF Input IP3 — 105 — dBµV EMF Adjacent Channel Selectivity ±200 kHz — 50 — dB Alternate Channel Selectivity ±400 kHz — 65 — dB Audio Output Voltage — 80 — mV RMS Audio S/N — 53 — dB Audio THD — 0.1 0.5 % Selected AM Electrical Specifications Parameter Symbol Conditions Min Typ Max Uni