ANTENNA DEVICE AND MATCHING CIRCUIT MODULE FOR ANTENNA DEVICE

摘要

A low-frequency radiating element and a high-frequency radiating element are configured so as to respectively operate in a relatively low frequency band and a relatively high frequency band that are non-contiguous with each other. A matching circuit is inserted between a transmission/reception circuit and a branching point. A high-frequency variable reactance circuit is inserted between the branching point and the high-frequency radiating element. A low-frequency variable reactance circuit is inserted between the branching point and the low-frequency radiating element. The high-frequency variable reactance circuit and the low-frequency variable reactance circuit are configured such that their reactances can be adjusted independently of each other.

主权项

1. An antenna device comprising:
a low-frequency radiating element and a high-frequency radiating element configured so as to respectively operate in a relatively low frequency band and a relatively high frequency band that are non-contiguous with each other; a transmission/reception circuit; a matching circuit inserted between the transmission/reception circuit and a branching point; a high-frequency variable reactance circuit inserted between the branching point and the high-frequency radiating element; and a low-frequency variable reactance circuit inserted between the branching point and the low-frequency radiating element; the high-frequency variable reactance circuit and the low-frequency variable reactance circuit being configured such that their reactances are adjusted independently of each other.