Overview
Low-cost RF tuner for DAB / T-DMB, FM and GPS applications is highly integrated and does not need external SAW filter. Integrated with LNAs, RF / BB AGC, down conversion quadrature mixers, RF / IF power detectors and Received Signal Strength Indicator (RSSI), programmable multiple bandwidth channel filters, VCO, PLL, and crystal reference. An RF AGC controller with built-in algorithm was designed to optimize noise or linearity performance in various receiving environment. 3-wire SPI or I2C can be used for easy communication between base-band chip and RF tuner.
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The adoption of the Bluetooth low energy (Bluetooth LE) specifications v4.0/v4.2 standards is being driven by adoption in several markets such as the Health and Fitness devices, Beacons, Asset tracking, Home automation, PC Peripherals etc. Bluetooth low energy 5, together with the Bluetooth LE Mesh specifications are set to make Bluetooth the ‘Connectivity of Choice’ in IoT markets such as Connected Home, Commercial Lighting and Industrial Wireless Sensor Network markets.
It is very important that the design aspects of the NB-IoT device protocol stack ensure low module cost and low energy consumption. This is required to match the industry expected module costs. This paper outlines some of the NB-IoT Protocol stack specification flexibilities and generic design aspects that are to be considered to meet the above requirements, especially with reference to LTE.
High definition video content is becoming rampant as more and more countries are now transitioning into digital life. The ways to deliverHigh definition content in a bandwidth limited channel have become challenge in itself. To cater to such highly demanding broadcast & professional video markets, we require a compression / decompression standard that allows no compromise on the quality of the video that has to be broadcasted over a bandwidth constrained networks.
In this paper, we developed low power transport demultiplexer to support MPEG-2 transport streams for ATSC and DVB digital broadcast standards. Novel window based packet identification (PID) and section filtering is presented to provide a cost effective and flexible solution.
In this paper, we developed low power transport demultiplexer to support MPEG-2 transport streams for ATSC and DVB digital broadcast standards. Novel window based packet identification (PID) and section filtering is presented to provide a cost effective and flexible solution.
The proliferation of high-definition television (HDTV) video content creation and the method of delivering these contents in a bandwidth-limited broadcast channel environment have driven new video compression standards and associated video image processin
