Amplifiers – Signal feedback – Frequency responsive feedback means
Patent
1979-09-18
1982-06-22
Mullins, James B.
Amplifiers
Signal feedback
Frequency responsive feedback means
330 85, 330126, 330151, 330294, 330304, 333 28R, H03
Patent
active
043365019
ABSTRACT:
In a frequency characteristic adjusting circuit having an arrangement of at least one adder, a filter circuit and feedback and/or feed forward means the transfer factors of which and the peak or dip of the filter circuit are freely selectable. Adjustment of the center frequency and Q are independent.
REFERENCES:
patent: 3539937 (1970-11-01), Spaulding
patent: 3921104 (1975-11-01), Gundry
patent: 4055818 (1977-10-01), Gay
patent: 4122417 (1978-10-01), Takasaki et al.
Ishikawa Kazumasa
Takahashi Shin-ichi
Yoneyama Masahide
Mullins James B.
Nippon Columbia Kabushiki Kaisha
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