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| SATCR-1 Satellite channel router DATA BRIEF DESCRIPTION Relaying satellite signals from the rooftop dish to multiple receivers around the home, Digital Video Recorders (DVR) or throughout an apartment block is an expensive proposition for system installers. The SATCR-1 satellite channel router addresses this problem by combining up to eight input signals onto a single cable. These signals are then decoded by a corresponding number of tuners, potentially distributed across many set-top boxes. The SATCR-1 device is intended for use in LNBs or switchers in satellite receivers. The device shifts the frequency of any input signal to a fixed intermediate frequency. The output signal is bandpass filtered generating a narrow band output. By combining several SATCR-1 devices, a corresponding number of sub-bands may be generated and multiplexed together. This composite band can be made of different independent channels issued from different LNB inputs and polarizations, and can be carried on a single coaxial cable. Figure 1. Package: QFN36 (6 x 6 mm) xxxx Figure 2. Single cable installation for multi-satellite receivers Basic satellite channel routing application Optional legacy output BPF BPF X X BPF 4x2 or 4x3 matrix (R) SaTCR LO LO (R) Single coaxial cable Choke Choke BPF BPF X X BPF SaTCR PC PC (R) DVR Rx ST7LNB1 Rev. 1 October 2004 1/2 SATCR-1 FEATURES Wide input and wide output frequency ranges (950 MHz to 2150 MHz) APPLICATIONS DDBS low-noise block converters RF band translation switcher boxes Reuse of terrestrial cable for satellite signals Provides single-cable capability for: - DVR applications - multiple STBs/receivers - multi-switching for apartment blocks. Four programmable conversion gains Fully integrated synthesizer RF tone generator for installation loss calibration and for system signalling Programmable switch matrix control pins System noise figure: 5 dB (typ.) Single supply: 3.0 V Low power consumption: 90 mA (typ.) IC bus control QFN36 package (6 x 6 mm) PART NUMBERING Table 1. Order codes Part Number SATCR-1 SATCR-1 Eval Satellite channel router Evaluation board Description REVISION HISTORY Table 2. Revision history Date October 2004 May 2004 2 1 Revision Description of Changes Updated diagram, history added, color removed, CCS template applied. Initial release Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics. All other names are the property of their respective owners (c) 2004 STMicroelectronics - All rights reserved STMicroelectronics group of companies Australia - Belgium - Brazil - Canada - China - Czech Republic - Finland - France - Germany - Hong Kong - India - Israel - Italy - Japan Malaysia - Malta - Morocco - Singapore - Spain - Sweden - Switzerland - United Kingdom - United States of America www.st.com 2/2 |
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