The present disclosure may include, for example, a tunable capacitor having a decoder for generating a plurality of control signals, and an array of tunable switched capacitors comprising a plurality of fixed capacitors coupled to a plurality of switches. The plurality of switches can be controlled by the plurality of control signals to manage a tunable range of reactance of the array of tunable switched capacitors. Additionally, the array of tunable switched capacitors is adapted to have non-uniform quality (Q) factors. Additional embodiments are disclosed.

A radio frequency, RF, auto-transformer circuit (300, 700, 901) and method (1000) of constructing a RF auto-transformer are described. The RF, auto-transformer circuit (300, 700, 901) includes: an inner coil formed (1102) with a first metal layer (MT1) to create a first shunt inductor (302), wherein at least a portion of the inner coil is overlayed (1106) with a second metal layer (MT2) that creates a first series inductor (303) that exhibits inductive coupling to the first shunt inductor (302). An outer coil is formed (1104) with the first metal layer (MT1) that creates a second series inductor (304), where the outer coil is located adjacent the inner coil and provides inductive coupling between the second series inductor (304) and each of the first shunt inductor (302) and first series inductor (303). At least a portion of the outer coil is overlayed (1008) with the second metal layer (MT2) that creates a second shunt inductor (301) that exhibits inductive coupling between the second shunt inductor (301) and each of the first shunt inductor (302) and first series inductor (303) and second series inductor (304). The outer coil is connected (1112) to the inner coil using vias and the respective first metal layer (MT1) is connected to the second layer (MT2) using vias.

A radio frequency, RF, auto-transformer circuit (300, 700, 901) and method (1000) of constructing a RF auto-transformer are described. The RF, auto-transformer circuit (300, 700, 901) includes: an inner coil formed (1102) with a first metal layer (MT1) to create a first shunt inductor (302), wherein at least a portion of the inner coil is overlayed (1106) with a second metal layer (MT2) that creates a first series inductor (303) that exhibits inductive coupling to the first shunt inductor (302). An outer coil is formed (1104) with the first metal layer (MT1) that creates a second series inductor (304), where the outer coil is located adjacent the inner coil and provides inductive coupling between the second series inductor (304) and each of the first shunt inductor (302) and first series inductor (303). At least a portion of the outer coil is overlayed (1008) with the second metal layer (MT2) that creates a second shunt inductor (301) that exhibits inductive coupling between the second shunt inductor (301) and each of the first shunt inductor (302) and first series inductor (303) and second series inductor (304). The outer coil is connected (1112) to the inner coil using vias and the respective first metal layer (MT1) is connected to the second layer (MT2) using vias.

Methods and apparatus for a signal isolator having reduced parasitics. An example embodiment, a signal isolator and include a first metal region electrically connected to a first die portion, a second die portion isolated from the first die portion, and a second metal region electrically connected to the second die portion. A third metal region can be electrically isolated from the first and second metal regions and a third die portion can be electrically isolated from the first, second and third metal regions. In embodiments, the first metal region, the second metal region, and the third metal region provide a first isolated signal path from the first die portion to the second die portion.

An electronic component includes a common port, a signal port, a first inductor, a second inductor, and a stack. The first inductor has a first end and a second end. The second end of the first inductor is connected to one end of the second inductor. A first inductor conductor constituting the first inductor is wound about an axis extending in a first direction. A second inductor conductor constituting the second inductor is wound about an axis extending in a second direction intersecting the first direction.

An electronic component includes a common port, a signal port, a first inductor, a second inductor, and a stack. The first inductor has a first end and a second end. The second end of the first inductor is connected to one end of the second inductor. A first inductor conductor constituting the first inductor is wound about an axis extending in a first direction. A second inductor conductor constituting the second inductor is wound about an axis extending in a second direction intersecting the first direction.

A circuit is disclosed. The circuit includes an input port, an output port, a squelch detector and a disconnect detector. The squelch detector and the disconnect detector are enabled or disabled by a signal such that only one of the squelch detector and the disconnect detector is active at a given time. When the squelch detector is active, a threshold generator generates a squelch threshold for the squelch detector based on a squelch configuration data indicative of a predefined squelch threshold. When the disconnect detector is active, the threshold generator generates a disconnect threshold for the disconnect detector based on a disconnect configuration data indicative of a predefined disconnect threshold.

A circuit is disclosed. The circuit includes an input port, an output port, a squelch detector and a disconnect detector. The squelch detector and the disconnect detector are enabled or disabled by a signal such that only one of the squelch detector and the disconnect detector is active at a given time. When the squelch detector is active, a threshold generator generates a squelch threshold for the squelch detector based on a squelch configuration data indicative of a predefined squelch threshold. When the disconnect detector is active, the threshold generator generates a disconnect threshold for the disconnect detector based on a disconnect configuration data indicative of a predefined disconnect threshold.

A balun includes a first winding which has a first terminal coupled to an input, and a second terminal coupled to a reference potential terminal. The balun includes a second winding magnetically coupled to the first winding. The second winding has a first terminal coupled to a first differential output, a second terminal coupled to a second differential output, and a tap coupled to the reference potential terminal. The balun includes a first parasitic capacitor which has a first terminal coupled to the first winding and a second terminal coupled to the second winding. The balun includes a third winding which has a first terminal coupled to the reference potential terminal and a floating second terminal. The balun includes a second parasitic capacitor which has a first terminal coupled to the third winding and a second terminal coupled to the second winding.

Systems, computer-implemented methods, and computer program products that can facilitate superconducting resonator definition based on one or more superconducting circuit attributes, are described. According to an embodiment, a system can comprise a memory that stores computer executable components and a processor that executes the computer executable components stored in the memory. The computer executable components can comprise a resonant circuit component that derives a resonant circuit indicative of a superconducting resonator of a superconducting circuit based on one or more attributes of the superconducting circuit. The computer executable components can further comprise a resonator definition component that defines a frequency value of the superconducting resonator based on the resonant circuit.