Amplifier suitable for cable-network applications

Details Amplifier suitable for cable-network applications Amplifier suitable for cable-network applications

1998-06-25

2000-02-08

Pascal, Robert

Amplifiers

With semiconductor amplifying device

Including frequency-responsive means in the signal...

330302, 330292, H03F 304, H03F 114

Patent

active

060231971

ABSTRACT:
An amplifier having an inductive coupling (LL) via which a load (Z1) may be coupled between the two main current terminals (E,C) of a transistor (QA). A capacitive coupling (CC) is also provided between the two main current terminals (E,C). The inductive coupling (LL) and the capacitive coupling (CC) provide, between the two main current terminals (E,C), respective impedances (ZLL, ZCC). To achieve a satisfactory performance in terms of signal distortion and gain, impedances (ZLL, ZCC) are substantially equal in magnitude in at least a portion of a frequency range throughout which the amplifier provides gain. The amplifier is particularly suitable for cable-network applications.

REFERENCES:
patent: 4658220 (1987-04-01), Heston et al.
patent: 4890070 (1989-12-01), Benahim et al.
patent: 5406226 (1995-04-01), Cioffi et al.
patent: 5442323 (1995-08-01), Tikhomirov

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