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Marc Yacoubian, 602411 3Rd St, Long Beach, CA 90814

Marc Yacoubian Phones & Addresses

2411 3Rd St, Long Beach, CA 90814    562-4383843   

360 Grand Ave, Long Beach, CA 90814    562-4383843   

360 Grand Ave, Long Beach, CA 90814    562-4383843   

Los Angeles, CA   

2411 E 3Rd St, Long Beach, CA 90814    562-8104493   

Emails

m***n@comcast.net

Mentions for Marc Yacoubian

Publications

Us Patents

Broadband Amplifier Having Uniform Frequency Response

US Patent:
5489877, Feb 6, 1996
Filed:
Oct 27, 1994
Appl. No.:
8/329419
Inventors:
Marc Yacoubian - Long Beach CA
Edward Rosen - Fountain Valley CA
Norman F. Reinhardt - Camarillo CA
Assignee:
Pico Products, Inc. - Lakeview Terrace CA
International Classification:
H03F 360
US Classification:
330286
Abstract:
A broadband amplifier includes an amplifier device and input and output networks formed of microstrips. The impedance of the output microstrip is chosen by taking the geometric mean of the real parts of one of the scattering parameters of the amplifier device, at the lower and upper limits of the frequency range of interest, and by taking the geometric mean of the system impedance with the result obtained previously. The final result of these calculations is the impedance of the output network. The impedance of the input network is made to be at least twice, and preferably twice, the impedance of the output network. The amplifier is also provided with a slope compensation circuit. It has been discovered that an amplifier designed in this manner exhibits remarkable flatness over a five-octave range. The amplifier circuit is therefore suitable for use in cable television and other broadband telecommunications applications, where the frequency range of interest may be 30 MHz to 1000 MHz.

Broadband Amplifier Having Uniform Frequency Response

US Patent:
5656973, Aug 12, 1997
Filed:
Oct 26, 1995
Appl. No.:
8/548944
Inventors:
Marc Yacoubian - Long Beach CA
Edward Rosen - Fountain Valley CA
Norman F. Reinhardt - Camarillo CA
Assignee:
Pico Products, Inc. - Lakeview Terrace CA
International Classification:
H03F 360
US Classification:
330286
Abstract:
A broadband amplifier includes an amplifier device and input and output networks formed of microstrips. The impedance of the output microstrip is chosen by taking the geometric mean of the real parts of one of the scattering parameters of the amplifier device, at the lower and upper limits of the frequency range of interest, and by taking the geometric mean of the system impedance with the result obtained previously. The final result of these calculations is the impedance of the output network. The impedance of the input network is made to be at least twice, and preferably twice, the impedance of the output network. The amplifier is also provided with a slope compensation circuit. It has been discovered that an amplifier designed in this manner exhibits remarkable flatness over a five-octave range. The amplifier circuit is therefore suitable for use in cable television and other broadband telecommunications applications, where the frequency range of interest may be 30 MHz to 1000 MHz.

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