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Implementation, measurements, and characteristics of a fully integrated 32 tap real-time programmable transversal filter, which facilitates a number of filter applications, are discussed. It uses RAMs and 16 MDACs for tap weight programming and pipe organ structure to provide for a large variety of adaptive convolutional and correlative signal processing with optimum compromise among power dissipation, computational speed, size, and performance. The filter was constructed with the combined technology of bucket brigade devices and switched capacitors.
Date of Publication: Dec. 1980