The results of development and research of the jet angular velocity sensor (JAVS) with expanded measurement range are presented. The JAVS is intended for building reserve aircraft control systems. In particular, the experimental study of a JAVSbreadboard as well as of a multistage analog jet amplifier was executed. Their static characteristic as well amplitude-phase-frequency responses confirm the possibility of applying the devices developed for designing the jet channel of aircraft's an gular velocity.
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