Jung-Tao
Jung-Tao Chung, Kuei Shan Hsiang TW
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20140183544 | COMPOUND SEMICONDUCTOR ESD PROTECTION DEVICES - The present invention relates to compound semiconductor ESD protection devices of three types. The device comprises a multi-gate enhancement mode FET (E-FET). For the type I compound semiconductor ESD protection device, the source electrode is connected to the plural gate electrodes through at least one first resistor, and the drain electrode is connected to the plural gate electrodes through at least one second resistor. For the type II compound semiconductor ESD protection device, the plural gate electrodes are connected to at least one of the inter-gate regions between two adjacent gate electrodes through at least one fourth resistor. For the type III compound semiconductor ESD protection device, the plural gate electrodes are connected to the source or drain electrodes through at least one seventh resistor. Any two gate electrodes in the three types of compound semiconductor ESD protection devices can be connected by a resistor. | 07-03-2014 |
20140183609 | COMPOUND SEMICONDUCTOR ESD PROTECTION DEVICES - The present invention relates to compound semiconductor ESD protection devices using plural compound semiconductor E-FETs or compound semiconductor multi-gate E-FETs. The device comprises plural compound semiconductor E-FETs or multi-gate E-FETs, in which each of the gates is DC-connected to the source, drain, or an inter-gate region between two adjacent gates in the multi-gate E-FET through at least one first resister, and at least one of the gates is AC-connected to the source, drain, or an inter-gate region between two adjacent gates in the multi-gate E-FET through a gate capacitor. | 07-03-2014 |
Jung-Tao Chung, Tao Yuan Shien TW
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20140231875 | INTEGRATED CIRCUITS WITH ESD PROTECTION DEVICES - An integrated circuit with ESD protection comprises at least one ESD protection circuit block, which comprises a DC blocking capacitor connected in parallel with at least one compound semiconductor enhancement mode FET as an ESD protection device. The ESD protection circuit block that is built in an integrated circuit provides ESD protection while minimizing the generation of unwanted nonlinear signals resulting from the ESD protection. An integrated circuit comprises a high frequency circuit, a switching element, and two ESD protection circuit blocks, in which the high frequency circuit is connected between a first terminal and a second terminal for inputting or outputting the RF signals, the first ESD protection circuit block is connected from a branch node between the first terminal and the high frequency circuit to the switching element, and the second ESD protection circuit block is connected from the switching element to the ground. | 08-21-2014 |
Jung-Tao Liu, Saratoga, CA US
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20100322218 | MULTI-USER, MULTI-MODE BASEBAND SIGNALING METHODS, TIMING/FREQUENCY SYNCHRONIZATION, AND RECEIVER ARCHITECTURES - A femtocell wireless signaling/data mesh network for multi-user, multi-mode baseband signaling methods, timing/frequency synchronization, and receiver architectures is disclosed. The femtocell wireless signaling/data mesh network includes a plurality of femtocells connected by a plurality of wireless links. A first femtocell of the plurality of femtocells directly communicates with a second femtocell of the plurality of femtocells via a wireless link between the first femtocell and the second femtocell. | 12-23-2010 |
20100323713 | TRANSFORM DOMAIN MULTI-USER DETECTION AND INTERFERENCE SUPPRESSION APPARATUS FOR FEMTOCELL - A transform domain multi-user detection and interference suppression apparatus for femtocell is disclosed. The transform domain multi-user detection and interference suppression apparatus is applied in a telecommunication system including a plurality of user equipments. The transform domain multi-user detection and interference suppression apparatus includes a multi-user signal processing module including an interference suppression unit. The multi-user signal processing module receives a plurality of user signals from the plurality of user equipments. During an interference suppression phase, the interference suppression unit of the multi-user signal processing module focuses on one of the plurality of user signals in the transform domain and reduces the other user signals in the transform domain by using a specific operation method. During an interference cancellation phase, the multi-user signal processing module receives an estimation of the plurality of user signals in the transform domain and reconstructs the received signals according to the estimation. | 12-23-2010 |
20140220938 | ENTERPRISE NETWORK AND FEMTOCELL THEREOF - An enterprise network is disclosed. The enterprise network includes at least one site. The site includes an authorizing unit, an enterprise private branch exchange (PBX), and a plurality of femtocells. After a first femtocell of the plurality of femtocells receives a voice/data signal from an enterprise-authenticated handset and the authorizing unit authorizes the voice/data signal, the first femtocell distinguishes a destination of the voice/data signal and routes the voice/data signal to the destination. | 08-07-2014 |