television receiver
A low power high dynamic range broadband variable gain amplifier for an ultra wideband receiver
... the receiver. A Multi-Band Orthogonal-Frequency-Division-Multiplexing (MB-OFDM) based Ultra-Wideband (UWB) receiver system is widely adapted in the industry. The analog baseband of the receiver ... (VGA) is needed in many baseband circuits for communication applications. For example, in a RF receiver, it is required to use a VGA between the filter and the analog to digital converter (ADC), ... power consumption. In addition, due to the characteristics of the OFDM communication system, the receiver s group delay variation within the band of interest should be reduced as much as possible....
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56 Digital Television
... 1988.[7] Hopkins, R., Advanced televisions systems,IEEE Trans. Consumer Electronics,34(1), 1-15,Feb. 1988.[8] UnitedStates Advanced Television Systems Committee,Digital Television Standard for ... Committee on Advanced Television Services (ACATS) was formed in 1987 to advise FederalCommunications Commission (FCC) on the facts and circumstances regarding advanced television systems for ... VideoATM AdaptationLayerfor Digital VideoãCell Loss ProtectionReferences56.1 IntroductionDigital television is being widely adopted for various applications ranging from high-end applica-tions,...
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LECTURE 16 8250 UART : UNIVERSAL ASYNCHRONOUS RECEIVER TRANSMITTER
... Telecommunications, Winter 2000 Lecture_16 UART UART or Universal Asynchronous Receiver Transmitter: UART or Universal Asynchronous Receiver Transmitter is an integrated circuit used in PC serial ports ... Introduction to Telecommunications, Winter 2000 Lecture_16 UART 8250 UART : UNIVERSAL ASYNCHRONOUS RECEIVER TRANSMITTER Serial communications is sufficiently complex that special chips have been ... the strings of bits that comprise serial data. Such a chip is called a universal asynchronous receiver transmitter or UART. Without UARTs, communications programming would be very complicated....
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Digital Television Applications P1
... A moving receiver cannot receive analogue television signals [2] however, with digital television moving receivers (i.e. located in cars, buses, trams, trains and even hand-held television ... digital television receives high quality signals as binary coded data at the receiver with little loss of information. Digital television produces sharper images than traditional analogue television ... Digital Television …………………… …………………… 84 6 Decoding of DVB Digital Television subtitles…………………… ………………… 91 7 Integration of Applications into Digital Television Environment…… ……………… 97 8 Digital Television...
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Digital Television Applications P2
... 376 RETURN CHANNEL COMMUNICATION MODELS Interactive television is a new paradigm that will merge appeal and mass audience of traditional television viewing with the interactivity of the World ... is not suitable for digital television applications. Using the standard Java AWT widget set increases rendering time and memory consumption, therefore a set of television- specific user interface ... Applications 192.5 SUBTITLES Digital television subtitle services do not belong to the category of interactive applications, however digital television uses a new digital subtitling system,...
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RECEIVER SENSITIVITY / NOISE
... Noise) for a receiver depends on theintended use of the receiver. For instance, a receiver that had to detect a single radar pulse would probably need a higherminimum S/N than a receiver that ... at theinput and amplified by the receiver& apos;s full gain greatly exceeds the noise generated further along the receiver chain. The noiseperformance of a receiver is described by a figure ... noiseappearing in the output of an ideal receiver is proportional to the absolute temperature of the receiver input system (antennaetc) times the bandwidth of the receiver. The factor of proportionality...
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RECEIVER TESTS
... SourceDirectionalCoupler5-7.1Figure 1. Receiver Test Setup When Antenna Can Be RemovedFigure 2. Receiver Test Setup When Antenna Is Active RECEIVER TESTSTwo tone and spurious response (single signal) receiver tests ... D2495-7.2Figure 3. Frequency Areas in a Sample 2-4 GHz Receiver is still advisable to directly measure the input to the receiver whenever there is a suspected receiver failure. This testdoes not need to ... problemLO=6*Frequency0 dB- dB2 GHz4 GHzUDF #1UDF #25-7.6Figure 9. Multi Band Receiver with Common IFFigure 10. Receiver Band with Multiple UDF EntriesAs shown in Figure 9, assume that inband...
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