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TR mdoule design63 1
DESINING T/R MODULE FOR ACTIVE PHASED ARRAY RADAR*
Wojciech Wojtasiak, Daniel G r y g l e w s k i ,Tadeusz Morawski', Edward Sedek.'
Abstract: The paper presents the conception and the performances of the L- and C-band T R modulefor active phased array radar (APAR). The transmitters were optimized for minimum transmittance distortions and maximum output power level. The used method was based on self-invented electro-thennal MESFET model. The receivers were optimized with respect to minimum noise &re and "'mum resistance for input power. The most important parameters of the TR modules are as follow: L-band: P,,=IOOW, AIq
1. Introduction There are two ideas of APAR shown in fig.l [l].The radiation direction change in
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