Circuits and methods for a monitoring circuit in a network ampli

Details Circuits and methods for a monitoring circuit in a network ampli Circuits and methods for a monitoring circuit in a network ampli

1998-07-23

2000-12-12

Pascal, Robert

Amplifiers

With semiconductor amplifying device

Including field effect transistor

330296, H03F 316

Patent

active

061604526

ABSTRACT:
A monitoring circuit is provided. The monitoring circuit can be used to monitor signals in a cable network. The monitoring circuit includes first and second stages. The first stage has an input and an output. The input is coupled to an external circuit. The first stage scales a voltage received at its input. The second stage is coupled to the output of the first stage. The second stage has a high input impedance and a low output impedance. The second stage buffers a signal at the output of the first stage to an output of the second stage.

REFERENCES:
patent: 3388338 (1968-06-01), Austin
patent: 3528023 (1970-09-01), Jeffers
patent: 3796952 (1974-03-01), Bayer
patent: 4075576 (1978-02-01), Eden
patent: 4160134 (1979-07-01), Carroll
patent: 4178559 (1979-12-01), Nichols
patent: 5220419 (1993-06-01), Sklar et al.
patent: 5349304 (1994-09-01), Ryat

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