共 5 条
[1]
ACTIVE R-FILTERS - REVIEW OF THEORY AND PRACTICE
[J].
IEE JOURNAL ON ELECTRONIC CIRCUITS AND SYSTEMS,
1978, 2 (04)
:89-101
[2]
HAYASHI, 1964, NONLINEAR OSCILLATIO, P11
[4]
RAO KR, 1974, P IEEE, V62, P1713
[5]
LOW-SENSITIVITY HIGH-FREQUENCY TUNABLE ACTIVE-FILTER WITHOUT EXTERNAL CAPACITORS
[J].
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS,
1975, CA22 (01)
:39-44