Amplifiers – With semiconductor amplifying device – Including gain control means
Patent
1981-08-24
1984-05-29
Mullins, James B.
Amplifiers
With semiconductor amplifying device
Including gain control means
340310R, 330129, H03F 320, H04M 1104
Patent
active
044518013
ABSTRACT:
An amplifier suitable for carrier current line driver applications is shown. It includes a triangle wave to sine wave shaper circuit and an automatic level control. It incorporates a line surge arrestor circuit that is active even when the transmitting capability is disabled. The circuit is shown in an integrated circuit form, the output of which is capable of being boosted by off-chip components.
REFERENCES:
patent: 4205276 (1980-05-01), Wright et al.
patent: 4267518 (1981-05-01), Davis
patent: 4305044 (1981-12-01), Leidich
Mullins James B.
National Semiconductor Corporation
Pollock Michael J.
Wan G.
Winters Paul J.
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