MULTICHANNEL FREQUENCY DIVIDING SELECTOR Russian patent published in 2013 - IPC H04B1/18 H03H7/00 

FIELD: radio engineering, communication.

SUBSTANCE: in the selector, the first lead of the primary winding of a transformer is connected to a first and a second capacitor; the second lead of the first capacitor and the second lead of the primary winding of the transformer are connected to a common bus; the second lead of the second capacitor is connected to the input potential terminal of the selector and the first leads of a third capacitor and a first inductance coil, the second leads of which are connected to the common bus; each lead of the second windings of the transformer is connected to a band-pass filter which consists of a fourth capacitor, the second lead of which is connected to a fifth capacitor and a third inductance coil, the second lead of which is connected to a sixth capacitor, the second lead of which is connected to a seventh capacitor and a fourth inductance coil.

EFFECT: reduced operation attenuation in pass bands of the selector.

2 dwg