(19)

(11)

EP 0 172 220 A1

(12)

(43) Date of publication: 26.02.1986 Bulletin 1986/09 (21) Application number: 85901146.0 (22) Date of filing: 22.01.1985

(51) International Patent Classification (IPC):  H03F 3/ 72( . ) H03G 3/ 34( . ) (86) International application number: PCT/US1985/000087 (87) International publication number: WO 1985/003814 (29.08.1985 Gazette 1985/19)

(84) Designated Contracting States: DE FR GB NL (30) Priority: 22.02.1984 US 19840582357 22.02.1984 US 19840582359 (71) Applicant: MOTOROLA, INC. Schaumburg, IL 60196 (US)	(72) Inventors: BYNUM, Byron, G. Tempe, AZ 85283 (US) CAVE, David, L. Tempe, AZ 85282 (US)