Abstract
Superconducting quantum interference filters (SQIFs) are parallel or serial Josephson junction arrays with a unique DC voltage output around vanishing magnetic field B = 0. Certain features of the voltage output also depend on the current-phase relation of the individual junctions in the array. Taking into account the first two harmonics I/sub c1/ and I/sub c2/ of the supercurrent we investigate the DC voltage output of the array. In particular we describe a characteristic magnetic field asymmetry of the voltage output. Applications of the theory include the design of SQIFs with novel flux to voltage transfer functions using high-T/sub c/ superconductors on bi- or tri-crystal substrates.
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