Imagens apenas para referência
RTL2832U
+Lista de Materiais-
FabricanteRealtek Semicon
-
Peça do Fabricante #RTL2832U
-
Em Estoque4889
365 Garantia de Qualidade em 1 dia
7*24 Garantia de serviço em 24 horas
90-Garantia de pós-venda em 1 dia
Garantia de Produto Genuíno
Especificações
| Atributo | Valor |
| Manufacturer | Realtek Semicon |
| Package | QFN-48 |
Visão Geral
Description
The RTL2832U is a popular USB demodulator chip used in low-cost DVB-T (Digital Video Broadcasting - Terrestrial) TV tuners. Originally designed for digital TV reception, it was discovered that the chip can output raw I/Q samples, enabling its use as a software-defined radio (SDR) receiver.
Key features:
- Frequency range: ~24–1766 MHz (varies by tuner model).
- Sample rate: Up to 3.2 MS/s (8-bit resolution).
- Supported tuners: E4000, R820T/2, FC0013, etc.
- Applications: FM/AM/SSB demodulation, ADS-B, AIS, NOAA satellites, and more.
The RTL-SDR project (using librtlsdr) made these dongles widely accessible for SDR enthusiasts. While limited in bandwidth compared to higher-end SDRs, its low cost (~$20) and ease of use make it ideal for beginners.
Common software: SDR#, GQRX, GNU Radio, dump1090 (ADS-B).
Limitations: No transmit capability, limited dynamic range, and bandwidth.
Overall, the RTL2832U is a versatile, entry-level SDR tool.
Key features:
- Frequency range: ~24–1766 MHz (varies by tuner model).
- Sample rate: Up to 3.2 MS/s (8-bit resolution).
- Supported tuners: E4000, R820T/2, FC0013, etc.
- Applications: FM/AM/SSB demodulation, ADS-B, AIS, NOAA satellites, and more.
The RTL-SDR project (using librtlsdr) made these dongles widely accessible for SDR enthusiasts. While limited in bandwidth compared to higher-end SDRs, its low cost (~$20) and ease of use make it ideal for beginners.
Common software: SDR#, GQRX, GNU Radio, dump1090 (ADS-B).
Limitations: No transmit capability, limited dynamic range, and bandwidth.
Overall, the RTL2832U is a versatile, entry-level SDR tool.
Manufacturer
The RTL2832U is manufactured by Realtek Semiconductor Corp., a Taiwanese company specializing in semiconductor design. Realtek is known for producing a wide range of ICs, including networking, audio, and multimedia chips. The RTL2832U is a digital TV tuner chip that gained popularity for its repurposing in software-defined radio (SDR) applications, particularly with the RTL-SDR project.
Realtek, founded in 1987, is a major player in the consumer electronics market, supplying chips for motherboards, TVs, and networking devices. The company is headquartered in Hsinchu, Taiwan, and is publicly traded on the Taiwan Stock Exchange (TWSE: 2379).
The RTL2832U's affordability and adaptability made it a favorite among hobbyists for low-cost SDR experimentation.
Realtek, founded in 1987, is a major player in the consumer electronics market, supplying chips for motherboards, TVs, and networking devices. The company is headquartered in Hsinchu, Taiwan, and is publicly traded on the Taiwan Stock Exchange (TWSE: 2379).
The RTL2832U's affordability and adaptability made it a favorite among hobbyists for low-cost SDR experimentation.
Application
The RTL2832U is primarily used in software-defined radio (SDR) applications due to its low-cost USB interface and ability to receive a wide frequency range (24–1766 MHz). Key application areas include:
1. Broadcast Monitoring – FM/DAB/TV signal reception.
2. Aviation & Marine – Tracking ADS-B (1090 MHz) and AIS signals.
3. Amateur Radio – Exploring ham bands and digital modes.
4. IoT & Wireless Research – Analyzing LoRa, Zigbee, and other protocols.
5. Public Safety – Monitoring emergency services (where legal).
Its affordability and compatibility with tools like SDR# and GNU Radio make it popular among hobbyists and researchers.
1. Broadcast Monitoring – FM/DAB/TV signal reception.
2. Aviation & Marine – Tracking ADS-B (1090 MHz) and AIS signals.
3. Amateur Radio – Exploring ham bands and digital modes.
4. IoT & Wireless Research – Analyzing LoRa, Zigbee, and other protocols.
5. Public Safety – Monitoring emergency services (where legal).
Its affordability and compatibility with tools like SDR# and GNU Radio make it popular among hobbyists and researchers.
Package
The RTL2832U is typically packaged in a QFN-48 (Quad Flat No-leads) form factor. This compact, surface-mount package is common for USB-based DVB-T tuner ICs, offering efficient thermal performance and space-saving design. It integrates with an R820T/R820T2 tuner for SDR applications like RTL-SDR. The QFN-48 has exposed pads for grounding and heat dissipation, suitable for consumer electronics.
