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Active Trimming for Hilbert Filter Structure Disclosure Number: IPCOM000069759D
Original Publication Date: 1978-Jun-01
Included in the Prior Art Database: 2005-Feb-21

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Froment, JC [+details]


The Hilbert filter shown in the drawing comprises four identical cells in the form of operational amplifiers OP1 to OP4 associated with resistors R1 to R4 and R and capacitors C1 to C4. Each cell has one of the output terminals 2 to 5. In such a structure, all the components, but the capacitors, can be easily integrated.