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- [4] THE INFLUENCE OF OPERATIONAL-AMPLIFIERS IN SWITCHED-CAPACITOR FILTERS AEU-ARCHIV FUR ELEKTRONIK UND UBERTRAGUNGSTECHNIK-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS, 1981, 35 (09): : 342 - 348
- [6] INERTIAL SECTION FOR ACTIVE-FILTERS ON A BASE OF OPERATIONAL-AMPLIFIERS IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENII RADIOELEKTRONIKA, 1978, 21 (03): : 112 - 113
- [8] ON UNSTABLE OPERATIONAL-AMPLIFIERS AEU-ARCHIV FUR ELEKTRONIK UND UBERTRAGUNGSTECHNIK-INTERNATIONAL JOURNAL OF ELECTRONICS AND COMMUNICATIONS, 1980, 34 (7-8): : 331 - 338