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SI2146-B30-GM

SI2146-B30-GM

Product Overview

Category

SI2146-B30-GM belongs to the category of integrated circuits (ICs).

Use

This product is primarily used in television and set-top box applications.

Characteristics

  • Integrated circuit designed for TV and set-top box tuners
  • Supports worldwide terrestrial and cable standards
  • High-performance RF tuner with excellent sensitivity and selectivity
  • Low power consumption
  • Small form factor for space-constrained designs

Package

SI2146-B30-GM is available in a compact 24-pin QFN package.

Essence

The essence of SI2146-B30-GM lies in its ability to provide high-performance RF tuning capabilities for television and set-top box applications, while maintaining low power consumption and a small form factor.

Packaging/Quantity

This product is typically packaged in reels and is available in quantities suitable for mass production.

Specifications

  • Frequency range: 42 MHz to 1002 MHz
  • Supported standards: DVB-T/T2/C/C2/S/S2, ATSC, ISDB-T, DTMB
  • Supply voltage: 3.3 V
  • Operating temperature range: -40°C to +85°C
  • RF input impedance: 75 ohms
  • Control interface: I2C

Detailed Pin Configuration

  1. VDD
  2. GND
  3. XTALI
  4. XTALO
  5. SDA
  6. SCL
  7. GPIO1
  8. GPIO2
  9. GPIO3
  10. GPIO4
  11. GPIO5
  12. GPIO6
  13. GPIO7
  14. GPIO8
  15. GPIO9
  16. GPIO10
  17. GPIO11
  18. GPIO12
  19. GPIO13
  20. GPIO14
  21. GPIO15
  22. GPIO16
  23. GPIO17
  24. GPIO18

Functional Features

  • High sensitivity and selectivity for improved signal reception
  • Wide frequency range support for various TV standards
  • Low power consumption for energy-efficient operation
  • Integrated control interface for easy integration into system designs
  • Compact form factor for space-constrained applications

Advantages and Disadvantages

Advantages

  • Excellent RF performance
  • Wide compatibility with global TV standards
  • Low power consumption
  • Small package size for compact designs

Disadvantages

  • Limited pin count for additional functionality
  • Requires external components for complete tuner implementation

Working Principles

SI2146-B30-GM operates based on the principle of RF tuning, where it receives and processes radio frequency signals from an antenna. The integrated circuit uses advanced algorithms to select and amplify the desired signals while rejecting unwanted interference. It then demodulates and decodes the received signals, providing a clear audiovisual output.

Detailed Application Field Plans

SI2146-B30-GM finds extensive application in the following areas:

  1. Television receivers
  2. Set-top boxes
  3. Digital video recorders (DVRs)
  4. Cable modems
  5. Satellite receivers

Detailed and Complete Alternative Models

  1. SI2148-B30-GM: Similar to SI2146-B30-GM but with extended frequency range support.
  2. SI2157-B30-GM: Tuner IC with additional features such as digital channel filtering and automatic gain control.
  3. SI2169-B30-GM: Integrated circuit designed specifically for satellite TV applications.

These alternative models offer similar functionality to SI2146-B30-GM but may have different specifications or additional features depending on specific application requirements.

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技術ソリューションにおける SI2146-B30-GM の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of SI2146-B30-GM in technical solutions:

  1. Q: What is SI2146-B30-GM? A: SI2146-B30-GM is a specific model of a digital TV tuner and demodulator chip manufactured by Silicon Labs.

  2. Q: What are the key features of SI2146-B30-GM? A: Some key features of SI2146-B30-GM include support for multiple TV standards, low power consumption, high sensitivity, and integrated channel filters.

  3. Q: What technical solutions can SI2146-B30-GM be used in? A: SI2146-B30-GM can be used in various technical solutions such as digital TVs, set-top boxes, media players, and other devices that require TV reception capabilities.

  4. Q: Does SI2146-B30-GM support both analog and digital TV signals? A: No, SI2146-B30-GM is designed specifically for digital TV signals and does not support analog TV signals.

  5. Q: Can SI2146-B30-GM receive both terrestrial and cable TV signals? A: Yes, SI2146-B30-GM is capable of receiving both terrestrial (over-the-air) and cable TV signals.

  6. Q: What TV standards are supported by SI2146-B30-GM? A: SI2146-B30-GM supports various TV standards including ATSC, DVB-T/T2, ISDB-T, and DTMB.

  7. Q: Is SI2146-B30-GM compatible with different frequency bands? A: Yes, SI2146-B30-GM is designed to operate across different frequency bands commonly used for TV broadcasting.

  8. Q: Can SI2146-B30-GM handle high-definition (HD) TV signals? A: Yes, SI2146-B30-GM is capable of receiving and demodulating high-definition TV signals.

  9. Q: Does SI2146-B30-GM have any built-in error correction capabilities? A: Yes, SI2146-B30-GM includes built-in forward error correction (FEC) to improve the reception quality of TV signals.

  10. Q: Are there any specific design considerations when using SI2146-B30-GM in technical solutions? A: Yes, some design considerations include proper PCB layout, adequate power supply filtering, and following the manufacturer's guidelines for optimal performance.

Please note that these answers are general and may vary depending on the specific application and implementation of SI2146-B30-GM in a technical solution.