Patent ID: 11923119
Assignee: TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
Field: Basic communication processes (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A multiband radio frequency receiver comprising:
a band selection filter operative to tune a receiver path of the multiband radio frequency receiver to a selected frequency band, the band selection filter comprising a tunable inductor arrangement that is tunable for the selected frequency band and comprises:
a plurality of winding parts arranged in two or more conductive layers of a chip or substrate; and
a switch arrangement configured to control an inductance seen between first and second terminals of the tunable inductor arrangement by selectively connecting the plurality of winding parts in a selected one among two or more inductor configurations; and

a controller configured to control the switch arrangement based on the selected frequency band;
wherein the plurality of winding parts comprises first, second, third, and fourth winding parts, and wherein the switch arrangement provides selection between a first configuration in which the first, second, third, and fourth winding parts are connected in series between the first and second terminals, and a second configuration in which the first, second, third, and fourth winding parts are connected as first and second parallel pairs of winding parts, with the first and second parallel pairs of winding parts connected in series between the first and second terminals.