Zarlink Satellite TV Receiver Monolithic Tuner

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Zarlink today introduced the ZL10039 device, the industry's first single-chip satellite tuner for FTA (free-to-receive) satellite digital TV receivers. Used in conjunction with Zarlink's ZL10313 satellite demodulator, the ZL10039 direct conversion tuner provides the most integrated and economical front-end solution for the FTA satellite market.

The new tuner includes a high performance LNA (low noise amplifier) ​​that eliminates the need for additional RF circuitry. Combined with the support of the ZL10313 demodulator and the ZLE10541 front-end reference design, satellite STB (set-top box) manufacturers can now implement the performance required for FTA receivers directly on the motherboard – a low-cost design that has been used for many years in the PayTV market. method. This design saves over 5% of the overall receiver hardware BOM (Bill of Materials) cost.

With the ZL10039 satellite tuner, Zarlink has strengthened its leadership in digital receiver front-end solutions. The chips provided by Zarlink are used by free and paid digital satellite systems around the world. Satellite is the first digital TV transmission method to successfully achieve worldwide reception, and the number is still increasing. It is predicted that more than 30 million units will be delivered in 2006. The deployment of China and India will continue to drive demand growth.

Unlike integrated amplifiers that respond to changing conditions and PayTV market facility quality and signal strength are good, the FTA market has to face more difficult conditions. The quality of the signal components (satellite antennas, cables, connectors) and facilities may be poor, causing the signal to decay to an unacceptable level. To solve this problem while maximizing the number of channels that can be captured, FTA manufacturers typically require receivers with high-performance front ends that use external LNAs to meet additional sensitivity requirements.

For most manufacturers, this added complexity makes the onboard front end unattractive, causing them to switch to separate, yet more expensive, front-end modules. The ZL10039 high-sensitivity single-chip satellite tuner is the first chip on the market to solve this problem.

Diverse feature set
The ZL10039 device is a single-chip wideband direct conversion tuner for 1 – 45 MSps (mega-symbols per second) DVB-S (Digital Video Broadcasting – Satellite), DSS (Digital Satellite System), and 8PSK (8-phase) Phase shift keying) receiver system.

Key features include an integrated LNA, an integrated RF loop-through and a "power and forget" VCO (Voltage Controlled Oscillator), eliminating the need for some competing products. The need for time-consuming VCO calibration.

Complete front-end STB solution Zarlink's ZLE10541 reference design combines the ZL10039 tuner with the ZL10313 demodulator to provide key features such as high-speed “blind scanning”. The "blind scan" enables an extremely fast channel scan function with an on-chip hardware controller that is less subject to external processor intervention. The demodulator delivers powerful performance over the entire satellite range of 1 – 45 MSps DVB-S symbol rate.

Zarlink's two-chip RF subsystem design consumes less than 1 W (watts) in full operation, while power consumption is reduced by a factor of 1000 through an integrated sleep pin in standby mode.

The ZL10039 tuner is fully operational. Qualified users receive the ZLE10541 reference design.

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