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A highly integrated RF transceiver for GSM/GPRS/EDGE application is implemented in a 65nm SOC with BT and FM systems. Techniques are employed to minimize the coupling and interference effects among three wireless systems and results show the sensitivity and the output spectrum stay unchanged. The EDGE digital low-IF receiver achieves −110dBm sensitivity and −9dBm IIP3; while the EDGE polar transmitter...
Generally speaking, the dependency data compression is very useful for Intellectual Property (IP) cores and SoC. We consider the shift-in power and compression ratio in low-cost ATE environment. We propose new compression architecture with fixed length for running ones. We suppose that the ATE has not repeated function and synchronization signal. In the results, when the complexity of VLSI circuit...
In this paper, new compression architecture is proposed for multiple scan-chains. We use buffers to hold back data, and use read enable signals to filter useless data. We use only four extra channels and less hardware for largest ISCAS'89 circuits to reduce test data volume and shift-in power. The average of peak/WTC shift-in turns to 3x/6.6x, after comparing (Wang and Chakrabarty, 2008) and our method...
This paper presents a test slice difference (TSD) technique to improve test data compression. It is an efficient method and only needs one scan cell. Consequently, hardware overhead is much lower than cyclical scan chains (CSR). As the complexity of VLSI continues to grow, excessive power supply noise has become seriously. We propose a new compression scheme which smooth down the switching activity...
This paper presents an input test data compaction and scan power reduction technique. We present new design for testability (DFT) method to hold values when some of test data in test cubes are not need to be changed. In our implementation, we present new algorithm called 2-D compaction to compact test cubes as less as possible and fill unspecified bits with specified value when necessary. Experimental...
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