EP 0228265 B1 19930414 - MICROWAVE POWER AMPLIFIER
Title (en)
MICROWAVE POWER AMPLIFIER
Publication
Application
Priority
JP 28704885 A 19851220
Abstract (en)
[origin: EP0228265A2] A microwave power amplifier having a microwave power amplifying circuit (1) and a power monitoring circuit (2). In order to prevent power loss at connecting points, a directional coupler in the power monitoring circuit (2) is formed by, a coaxial line (27) and a strip line (20). The coaxial line (27) has an opening on the outer conductor thereof so that the coaxial line and the strip line are electromagnetically coupled.
IPC 1-7
IPC 8 full level
H03F 3/21 (2006.01); G01R 21/01 (2006.01); H01P 1/00 (2006.01); H01P 5/18 (2006.01); H03F 3/20 (2006.01); H03F 3/26 (2006.01); H03F 3/60 (2006.01)
CPC (source: EP)
H01P 5/183 (2013.01)
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 0228265 A2 19870708; EP 0228265 A3 19880914; EP 0228265 B1 19930414; DE 3688283 D1 19930519; DE 3688283 T2 19930729; JP H0369442 B2 19911101; JP S62145908 A 19870630
DOCDB simple family (application)
EP 86309975 A 19861219; DE 3688283 T 19861219; JP 28704885 A 19851220