Patent application number | Description | Published |
20120319671 | POWER GENERATING CIRCUIT AND SWITCHING CIRCUIT - The power generating circuit includes: a first transistor having a control terminal to which a second control signal is applied and one end to which a first control signal is applied; and a second transistor having a control terminal to which the first control signal is applied and one end to which the second control signal is applied, wherein the other ends of the first transistor and the second transistor are connected to an output terminal. | 12-20-2012 |
20120319737 | INVERTER AND SWITCHING CIRCUIT - Disclosed herein are an inverter and an antenna circuit. The inverter that receives control signals, inverts the control signals including a first control signal, a second control signal, and a third control signal, and outputs the inverted control signals, includes: a first MOS transistor having a gate to which a first control signal is applied and a source that is grounded; a second MOS transistor having a gate to which a third control signal is applied and a source to which a second control signal is applied; and a third MOS transistor having a gate to which a second control signal is applied and a source to which a third control signal is applied, wherein drains of the first MOS transistor, the second MOS transistor, and the third MOS transistor are connected to an output terminal. | 12-20-2012 |
20120319773 | POWER GENERATING CIRCUIT AND SWITCHING CIRCUIT - Disclosed herein is a power generating circuit including a first transistor in which a second control signal is applied to a control terminal and a first control signal is applied to one end, and which has the other end connected to an output terminal, a second transistor in which the first control signal is applied to a control terminal and the second control signal is applied to one end, and which has the other end connected to the output terminal a third transistor in which one of the first and the second control signals is applied to a control terminal and which has one end grounded, and a fourth transistor in which the other one thereof is applied to a control terminal and which has one end connected to the other end of the third transistor and the other end connected to the output terminal. | 12-20-2012 |
20130015902 | RESISTOR-SHARING SWITCHING CIRCUITAANM Kim; Yu SinAACI Gyeonggi-doAACO KRAAGP Kim; Yu Sin Gyeonggi-do KRAANM Park; Sung HwanAACI Gyeonggi-doAACO KRAAGP Park; Sung Hwan Gyeonggi-do KR - Disclosed herein is a resistor-sharing switching circuit including: a first switching device and a second switching device; and a resistor whose first end is connected to a control signal input end to which a control signal for controlling bodies of the first switching device and the second switching device is applied and whose second end is connected to the bodies of the first switching device and the second switching device. | 01-17-2013 |
20130023221 | RF ANTENNA SWITCH CIRCUIT, HIGH FREQUENCY ANTENNA COMPONENT, AND MOBILE COMMUNICATION DEVICE - The present invention relates to an RF antenna switch circuit, a high frequency antenna component, and a mobile communication device. According to the present invention, an RF antenna switch circuit including: an antenna; an input/output terminal including at least one transmitting terminal and at least one receiving terminal; at least one transmitting switch block disposed on a transmitting path(s) between the at least one transmitting terminal and a common node; at least one receiving switch block disposed on a receiving path(s) between the at least one receiving terminal and the common node; and a common switch block sharing a switching device and turned on by synchronizing with each of transmitting and receiving operations on transceiving the signal through the antenna is provided. When one of the transmitting and receiving operations is turned on, the other is turned off. | 01-24-2013 |
20130288617 | Circuit for Controlling Switching Time of Transmitting and Receiving Signal in Wireless Communication System - Disclosed herein is a circuit for controlling a switching time of a transmitting and receiving signal in a wireless communication system including: a high speed switch circuit unit receiving a signal transceived through an antenna to perform a high speed switching operation; a low speed switch circuit unit the signal transceived through the antenna to perform a low speed switching operation; and a controlling unit applying a control signal for controlling a switching time to the high speed switch circuit unit or the low speed switch circuit unit. | 10-31-2013 |
20130307750 | SWITCHING CIRCUIT AND WIRELESS COMMUNICATION SYSTEM INCLUDING THE SAME - Disclosed herein are a switching circuit and a wireless communication system including the same. In the case in which a control signal applied to a control terminal of a main switch is a first control signal, a first gate resistor is connected to the control terminal, such that the first control signal is applied to the control terminal of the main switch through the first gate resistor, in the case in which the control signal applied to the control terminal of the main switch is a second control signal, a second gate resistor is connected to the control terminal, such that the second control signal is applied to the control terminal of the main switch through the first gate resistor, and the first gate resistor and the second gate resistor have different resistance values, such the switching circuit may pass a multi-band high frequency signal therethrough. | 11-21-2013 |
20140035631 | TUNABLE CAPACITANCE CONTROL CIRCUIT AND TUNABLE CAPACITANCE CONTROL METHOD - Disclosed herein are a tunable capacitance control circuit and a tunable capacitance control method. The tunable capacitance control method is a tunable capacitance control method by a tunable capacitance control circuit including an MIM capacitor, a plurality of FET switches, and a control unit, wherein the control unit outputs control signals allowing only one of the plurality of (n) FET switches to be switched on and the remaining (n-1) FET switches to be switched off to the plurality of FET switches, thereby obtaining a desired tunable capacitance value. | 02-06-2014 |