RDA16112
The RDA16112 is a fully integrated direct conversion RF front end for DVB-S, DVB-S2, MMDS & ABSS digital satellite reception standard CMOS process. The receiving frequency range is from 900MHz to 2200MHz, and the baseband filter’s bandwidth can be selected from 4MHz to 40MHz with 1MHz step.
The RDA16112 consists of a variable gain LNA, quadrature downconverter, variable IF gain amplifiers, variable low-pass filters, reference oscillator, VCOs, synthesizer and output baseband amplifier to drive external ADC.
Based on RDA’s innovative technique, the RDA16112 offers excellent phase noise and very low implementation loss, required for advanced modulation systems such as 8PSK and DVB-S2. This tuner RF IC does not require a balun and its fully integrated design saves valuable board space and simplifies RF layout.
RDA16112 has been in the reference design of most chip sets like Mstar, Sunplus, Novatek, ALI.
Product Overview
The RDA16112 is a highly integrated direct conversion RF front-end solution designed specifically for digital satellite reception standards, including DVB-S, DVB-S2, MMDS, and ABSS. Built on a CMOS process, the RDA16112 operates within a frequency range of 900MHz to 2200MHz, making it ideal for a variety of satellite communications applications. The device integrates multiple components such as a variable gain LNA, quadrature downconverter, variable IF gain amplifiers, and low-pass filters, along with a reference oscillator, VCOs, and synthesizer, offering excellent performance and efficiency.
This RF front end also features a selectable baseband filter bandwidth, ranging from 4MHz to 40MHz with a 1MHz step, enabling customization for different signal types and transmission requirements. Its fully integrated design eliminates the need for an external balun, providing space savings and simplifying the PCB layout.
The RDA16112 is especially suited for advanced modulation systems such as 8PSK and DVB-S2, where low phase noise and minimal implementation loss are crucial for maintaining signal integrity. It is compatible with popular chipsets from manufacturers like Mstar, Sunplus, Novatek, and ALI, ensuring seamless integration into a wide range of satellite reception devices.
Key Features:
- Wide Frequency Range: Supports a receiving frequency range from 900MHz to 2200MHz.
- Baseband Filter Bandwidth Selection: Allows bandwidth selection from 4MHz to 40MHz, with 1MHz step increments, for flexible signal processing.
- Fully Integrated Design: Combines all necessary components, including LNA, downconverter, amplifiers, filters, oscillator, VCOs, and synthesizer, into a single IC.
- High-Performance Reception: Excellent phase noise and low implementation loss, ideal for advanced modulation systems like 8PSK and DVB-S2.
- No External Balun Required: Simplifies board design and reduces component count, saving valuable PCB space.
- Popular Chipset Compatibility: Works seamlessly with reference designs of chipsets from leading manufacturers such as Mstar, Sunplus, Novatek, and ALI.
Applications:
- Satellite Receivers: Ideal for DVB-S, DVB-S2, MMDS, and ABSS satellite reception devices.
- Set-Top Boxes (STBs): Can be integrated into STBs for digital TV satellite reception.
- Satellite Modems: Suitable for satellite communications modems in the commercial and industrial sectors.
- Automotive Satellite Systems: Can be used in automotive satellite systems, providing satellite reception in moving vehicles.
- Consumer Electronics: Useful in consumer electronics requiring digital satellite reception, such as home entertainment systems.
The RDA16112 is a versatile and high-performance RF front-end solution that streamlines satellite reception system designs while providing excellent signal quality and efficiency for a wide range of applications.
