Amplifiers – With semiconductor amplifying device – Including signal feedback means
Patent
1978-12-04
1980-05-27
Mullins, James B.
Amplifiers
With semiconductor amplifying device
Including signal feedback means
330107, 330302, 330306, 455341, H03F 134, H03F 3183
Patent
active
042052769
ABSTRACT:
An audio power amplifier is designed to have a wide band high fidelity response suitable for FM radio performance. The amplifier rolloff of gain versus frequency is made sufficiently steep to reduce the gain to a negligible level at the standard AM broadcast band. A stabilization network is incorporated into the amplifier to avoid instabilities that might result in oscillation. The amplifier has a very low AM broadcast band radiation so that it is useful in AM-FM radio receivers.
REFERENCES:
Widlar, "Monolithic Operational Amplifier", Electronic Design News, Nov. 1964, pp. 18-29.
Gross William H.
Wright John W.
Mullins James B.
National Semiconductor Corporation
Woodward Gail W.
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