ACTIVE PHASED ANTENNA ARRAY Russian patent published in 2008 - IPC H01Q21/00 H01Q3/26 H01Q25/02 

FIELD: radio equipment.

SUBSTANCE: active phased antenna array (AFAR) contains m radiators (1), which are connected to m transmitting-receiving modules (PPM) (2), device of distribution and phasing (URF) (3) and divider (7). Additionally the following components are introduced: shaper of radiation pattern (FDN) (11), which has two inlets and four outlets, dividers (D) (8, 9, 10), 2K-1 URF (3), 2K peripheral control devices (UU) (4), for setting of required values of phase ratios, in accordance with control signals from beam control unit (BUL) (5). At that every of four high-frequency (HF) outlets of FDN (11) is connected to HF inlet of corresponding D, which has K/2 HF outlets each, where K is even number, 2K HF outlets of D are connected to HF inlets of corresponding URF (3), which have m HF outlets each, where m is any integer number, every of 2Km HF outlets of URF (3) is connected to HF inlet of corresponding 2Km PPM (2), HF outlets of which are connected to radiators (1). At that every URF (3), UU (4), create subarray. Low-frequency inlets of all UU (4) are connected to outlet of BUL (5), the inlet of which is the control inlet of AFAR, and inlets of FDN (11) are summary and difference inlets of AFAR.

EFFECT: simplifies and increases reliability of design, realises simultaneous formation of summary and difference radiation pattern (DN), and also achieves independence of AFAR channels control.

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