آر اف (فرکانس رادیویی) و بی‌سیم گیرندهٔ آر‌اف

Product Attributes

Introduction

The Si474x AM/FM receiver family is the most highly integrated automotive grade and performance solution available.

Features

• Worldwide FM band support (64–108 MHz)
• Worldwide AM band support (520–1710 kHz)
• LW band support (153–288 kHz) (Si4742/43/44/45 only)
• MW (520–1710 kHz) and SW (2.3–30 MHz) support (Si4742/43/44/45 only)
• NOAA weather band support (162.4–162.55 MHz) (Si4742/43 only)
• FM multipath detection and mitigation
• AM/FM noise blanker (Si4742/43/44/45 only)
• Received signal quality indicators (RSSI, SNR, frequency offset, multi-path interference)
• AM and FM programmable seek tuning
• AM and FM programmable soft mute control
• FM Hi-cut control (Si4742/43/44/45 only)
• Power line noise rejection/AM lo-cut filter
• FM programmable stereo-mono blend
• AM and FM programmable channel bandwidth filters
• Digital FM stereo decoder
• Advanced patented RDS/RBDS processor (Si4741/43/45 only)
• Automatic gain control (AGC)
• Integrated AM and FM low-noise amplifier (LNA)
• Image-rejection mixer
• Frequency synthesizer with integrated voltage controlled oscillator (VCO)
• Low-IF conversion with no external ceramic filters
• 3.0 to 3.6 V supply voltage
• Programmable reference clock
• AECQ-100 qualified
• -40 to 85 °C operation
• Digital audio output (I2S) (Si4741/43/45 only)
• 24-pin 4x4 mm QFN package
• Pb-free/RoHS compliant

Applications

• OEM car audio systems
• After-market car audio systems