Modular circuit arrangement used for attenuation compensation
A circuit device and circuit technology, applied in the direction of electrical components, transmission systems, etc., can solve the problem of expensive circuit devices, and achieve the effect of cheap structure and simple structure
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[0033] figure 1 A block circuit diagram of a possible embodiment of the circuit arrangement according to the invention is shown. The circuit arrangement is constructed modularly and is therefore divided into several parts. The circuit device is mainly composed of a front-end module 1 arranged at the antenna end a, a rear-end module 1 arranged at the equipment end b, a frequency and / or frequency combined between the front-end module 1 and the rear-end module 2 and combined in the front-end module 37 Or band-pass filter 24,25,26, detector circuit 35, have power amplifier module 40 with power amplifier 17,18,19 and the attenuation assembly 49,50,51 that connects front, other are arranged in front-end module 1 and rear Between the end modules 2 and at the output end and input end of the power amplifier module 40 are composed of filters such as harmonic filters 43 , 44 , 45 , 46 , 47 , and 48 . According to the present invention, the front-end module 1 is composed of high-frequen...
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