US 9,520,854 B2 · Tunable capacitor integrated on one semiconductor die or on one module

Abstract

Disclosed is a tunable capacitor. The tunable capacitor according to a first embodiment of the present invention includes: a first capacitor; and a switching transistor which switches on/off the connection of the first capacitor between the first terminal and the second terminal, wherein an on/off operation of the switching transistor is performed by a high signal H and a low signal L. The tunable capacitor according to a second embodiment of the present invention includes: a first capacitor; and a switching transistor which switches on/off the connection of the first capacitor between the first terminal and the second terminal, wherein an on/off operation of the switching transistor is performed by a high signal H and a low signal L, and wherein the tunable capacitor is integrated on one semiconductor die or on one module.

Claims24

Dependent claims

A tunable capacitor comprising:

a first capacitor;
a switching transistor which switches on/off a connection of the first capacitor between a first terminal and a second terminal;
and
a converter configured to convert a signal applied to a gate terminal G of the switching transistor and apply the converted signal to a drain terminal D and a source terminal S of the switching transistor,
wherein an on/off operation of the switching transistor is performed by a high signal H and a low signal L.

2 more elements

Dependencies are inferred from the claim text.

Facts

Application

14/013,235Filed 29 Aug 2013 · continuation

Priority

KR 10-2012-00345743 Apr 2012

Published

US 2014/0002208 A12 Jan 2014

Granted

13 Dec 2016

Term ends

Not estimatedThe source records don’t support an estimate.

Classification9 codes

H03H 7/38
Multiple-port networks comprising only passive electrical elements as network components: impedance-matching networks
H03H 11/28
Multiple-port networks: impedance matching networks
H10D 89/601
Integrated devices comprising arrangements for electrical or thermal protection, e.g. protection circuits against electrostatic discharge [ESD]:…
H10W 44/20
Electrical arrangements for controlling or matching impedance: at high-frequency [HF] or radio frequency [RF]

Tunable capacitor integrated on one semiconductor die or on one module

Life of this patent

Tunable capacitor integrated on one semiconductor die or on one module

Life of this patent

Abstract

Claims24