Fred Telewski

Fred Telewski (from TekScope 1975 V7 N5)

Frederick J. Telewski (b. 1946 – d. 29 June 2020) , WA7TZY, joined Tektronix in 1971 where he worked in the Spectrum Analyzer group.

Fred worked on the 7L12 (introduced in 1972), but his major product was the 7L13 (introduced in 1974).

Please add referenced biography.

Model	Class	Description	Designers	Introduced
7L12	Plug-in	1.8 GHz Spectrum Analyzer	Morris Engelson • Linley Gumm • Gene Kauffman • Larry Lockwood • Gordon Long • Steve Morton • Paul Parks • Fred Telewski • Neal Broadbent • Jack Doyle • Al Huegli • Steve Skidmore • Leighton Whitsett • Judy Hanson • Robert Holmes • Carolyn Moore • Rena Randle	1971
7L13	Plug-in	1.8/2.5 GHz Spectrum Analyzer	Fred Telewski	1974
TR502	Plug-in	1.8 GHz tracking generator	Fred Telewski • Glenn Bateman • Michael McMahon • David Morton • Phillip Snow	1976
TR501	Plug-in	1.8 GHz tracking generator	Fred Telewski • Glenn Bateman • Michael McMahon • David Morton • Phillip Snow	1976

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Page	Office	Number	Title	Inventors	Company	Filing date	Grant date
Patent US 4129897A	US	4129897A	Modular mounting apparatus for substrate means bearing planar circuit means	Fred Telewski • Carlos L. Beeck • Philip B. Snow	Tektronix Inc	1978-01-18	1978-12-12
Patent US 5216387A	US	5216387A	Noise reduction method and apparatus for phase-locked loops	Fred Telewski • Eric R. Drucker	Fluke Corp	1991-09-10	1993-06-01
Patent EP0574918A1	EP	0574918A1	Selectable AC or DC coupling for coaxial transmission lines	Robert J. Lewandowski • Daniel G. Dow • Fred Telewski	Fluke Corp	1993-06-17	1993-12-22
Patent US 6021315A	US	6021315A	System and method for testing of wireless communication devices	Fred Telewski	Cellular Technical Services Co Inc	1997-11-19	2000-02-01

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