Patent application number | Description | Published |
20130207700 | Electrical Circuit Having a Controllable Oscillator - An electrical circuit including a controllable oscillator, a transmission line and a control loop. The controllable oscillator is configured to generate an oscillating signal. The transmission line is connected to an output of the oscillator, wherein the transmission line has a length which is a fraction of a wavelength of the oscillating signal. The control loop is configured to detect a difference between a first value of a signal parameter of the oscillating signal and a second value of the signal parameter of the oscillating signal having passed the transmission line. Furthermore, the control loop is configured to control the controllable oscillator in accordance with the difference. | 08-15-2013 |
20140077892 | DC Power Supply Circuit, Oscillator Circuit and Method for Generating a DC Power Supply Signal - A DC power supply circuit comprises an output configured to provide a power supply signal to an RF element for generating an RF output signal. Furthermore, the DC power supply circuit comprises an input configured to receive the RF output signal. The DC power supply circuit is configured to generate the DC power supply signal based on the received RF output signal. | 03-20-2014 |
20140273825 | Semiconductor Chip Configuration with a Coupler - A semiconductor device comprises a semiconductor substrate, a primary coil, and a secondary coil. The primary coil of a coupler is disposed over the semiconductor substrate and the secondary coil of the coupler is disposed over the semiconductor substrate adjacent to the primary coil. The primary coil includes a first end coupled to a first contact terminal, a second end coupled to a second contact terminal, and a first center tap coupled to a reference node. | 09-18-2014 |
20150015431 | System and Method for a Radio Frequency System - In accordance with an embodiment, a method includes producing a baseband variable frequency signal and producing a substantially fixed frequency signal by phase-locking an oscillator to a substantially fixed reference frequency. The method further includes upconverting the baseband variable frequency signal by mixing the variable frequency signal with the substantially fixed frequency signal to produce an RF variable frequency signal. | 01-15-2015 |
20150091663 | System and Method for a Voltage Controlled Oscillator - In accordance with an embodiment, a voltage controlled oscillator (VCO) includes a VCO core having a plurality of transistors, a bias resistor coupled between collector terminals of the VCO core and a first supply node, and a varactor circuit coupled to emitter terminals of the VCO core. The bias resistor is configured to limit a self-bias condition of the VCO core. | 04-02-2015 |
20150117862 | System and Method for a Millimeter Wave Circuit Board - According to an embodiment, a circuit board includes a signal line including at least portion of a first conductive layer that has a first portion extending over a cavity in the circuit board from a first side of the cavity. The circuit board also includes a first plurality of conductive vias surrounding the cavity and the first plurality of vias include at least one blind via disposed adjacent to the first side of the cavity. | 04-30-2015 |
20150305190 | Electronic System - An electronic system includes a carrier including at least one waveguide feeding, a semiconductor chip including a first surface and a second surface, and an integrated RF circuit, and a cooling element including a backshort. The semiconductor chip is mounted to the carrier such that the first surface faces the carrier. The integrated RF circuit is connected to the at least one waveguide feeding. The cooling element is mounted to the carrier such that the backshort is adjacent one end of the at least one waveguide feeding, and the cooling element at least partially covers the semiconductor chip such that the second surface of the semiconductor chip faces the cooling element. | 10-22-2015 |
20150333696 | System and Method for a Voltage Controlled Oscillator - In accordance with an embodiment, a voltage controlled oscillator (VCO) includes a VCO core having a plurality of transistors, a bias resistor coupled between collector terminals of the VCO core and a first supply node, and a varactor circuit coupled to emitter terminals of the VCO core. The bias resistor is configured to limit a self-bias condition of the VCO core. | 11-19-2015 |