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STV0903BAB from ST,ST Microelectronics

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STV0903BAB

Manufacturer: ST, ST,ST, STMicroelectronics

Multi-standard advanced demodulator for satellite digital TV and data services set-top boxes

Partnumber Manufacturer Quantity Availability
STV0903BAB ST, ST,ST, STMicroelectronics 300976 In Stock

Description and Introduction

Multi-standard advanced demodulator for satellite digital TV and data services set-top boxes The STV0903BAB is a DVB-S2 (Digital Video Broadcasting - Satellite - Second Generation) demodulator IC manufactured by STMicroelectronics. Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Manufacturer:** STMicroelectronics  
- **Package:** LQFP (Low-Profile Quad Flat Package)  
- **Operating Voltage:** 1.8V and 3.3V  
- **Demodulation Standards:**  
  - DVB-S2 (compliant with EN 302 307)  
  - DVB-S (compliant with EN 300 421)  
- **Symbol Rate Range:**  
  - DVB-S: 1–45 MSps  
  - DVB-S2: 1–30 MSps  
- **Modulation Schemes Supported:**  
  - QPSK, 8PSK, 16APSK, 32APSK (for DVB-S2)  
  - QPSK (for DVB-S)  
- **Input Frequency Range:** 4–150 MHz (IF input)  
- **ADC Resolution:** 10-bit  
- **Low Power Consumption:** Optimized for power-sensitive applications  
- **Interface:** I2C control interface  

### **Descriptions:**  
The STV0903BAB is a high-performance demodulator designed for satellite TV reception, supporting both DVB-S and DVB-S2 standards. It integrates advanced signal processing to handle variable coding and modulation (VCM) and adaptive coding and modulation (ACM) schemes.  

### **Features:**  
- **High Sensitivity:** Optimized for weak signal reception  
- **Carrier Recovery:** Fast and robust acquisition  
- **Automatic Spectral Inversion Detection:** Ensures correct signal processing  
- **Pilotless Mode Support:** Reduces overhead in DVB-S2 transmissions  
- **Integrated LDPC & BCH Decoders:** Ensures high error correction capability  
- **Low Power Mode:** Reduces power consumption when inactive  
- **Single-Chip Solution:** Minimizes external components  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Multi-standard advanced demodulator for satellite digital TV and data services set-top boxes

Alternative Part Number

  • BCM4501 --: Broadcom DVB-S2 demodulator with similar satellite front-end functionality and comparable interface, suitable as a functional replacement in set-top box designs.
  • M88DS3103 --: DVB-S2 demodulator IC widely used in satellite receivers, offering similar demodulation capabilities and a different naming series for easy distinction.
  • AVL6211 --: DVB-S2 satellite demodulator with comparable performance and interface, commonly used as an alternative in STB applications.
  • STV0900AAB --: Same STV09xx family demodulator with similar DVB-S/S2 functionality and package, often used as a drop-in substitute in satellite receiver designs.
  • STV0910ADB --: Later-generation STV09xx demodulator with comparable interface and performance, suitable replacement where firmware support is available.
  • STV0903BAC --: Closely related STV0903 variant with the same core demodulator architecture, differing mainly in revision/configuration details.
  • STV0900BAC --: Same STV09xx family of DVB-S2 demodulators with closely matching functionality and package, making it the most direct functional substitute.
  • STV6110A --: Companion STV tuner/demodulator IC from the same STB signal chain family, usable as an alternative in similar satellite receiver designs.

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