Highly coupled inductor design for reducing area and power consumption of a multi-core oscillator

An integrated circuit comprising:

• a first layer;
• a second layer;
• a first dual-port oscillator comprising:
• a first conductive microstrip and a second conductive microstrip,
• wherein each conductive microstrip of the first dual-port oscillator comprises a first end that terminates at a first active component, and a second end that terminates at a second active component,
• wherein each conductive microstrip of the first dual-port oscillator comprises at least a first inductor portion disposed on the first layer and a second inductor portion disposed on the second layer, and
• wherein the first inductor portion and second inductor portion of the first dual-port oscillator are electrically connected by a first connecting via;
• and
• a second dual-port oscillator comprising:
• a first conductive microstrip and a second conductive microstrip,
• wherein each conductive microstrip of the second dual-port oscillator comprises a first end that terminates at a first active component, and a second end that terminates at a second active component,
• wherein each conductive microstrip of the second dual-port oscillator comprises at least a first inductor portion disposed on the first layer and a second inductor portion disposed on the second layer, and
• wherein the first inductor portion and second inductor portion of the second dual-port oscillator are electrically connected by a second connecting via;
• wherein the first dual-port oscillator and second dual-port oscillator are disposed, such that a portion of the first conductive microstrip of the first dual-port oscillator is substantially aligned with a portion of the first conductive microstrip of the second dual-port oscillator.

A radar system comprising:

• an oscillating system comprising:
• a dual-port inductor comprising:
• a first active component and a second active component, wherein each active component comprises a first terminal and a second terminal;
• a first conductive microstrip comprising a first inductor portion and a second inductor portion electrically connected in series, wherein the first conductive microstrip electrically connects the first terminal of the first active component to the second terminal of the second active component;
• a second conductive microstrip comprising a first inductor portion and a second inductor portion electrically connected in series, wherein the second conductive microstrip electrically connects the second terminal of the first active component to the first terminal of the second active component;
• a coupling inductor comprising:
• a first inductor portion;
• and
• a second inductor portion,
• wherein the first inductor portion, and the second inductor portion are electrically connected in series;
• wherein the first inductor portion is magnetically coupled to the first or second inductor portion of the first conductive microstrip of the dual-port inductor, and the second inductor portion is magnetically coupled to the first or second inductor portion of the second conductive microstrip of the dual-port inductor, and
• wherein the dual-port inductor and the coupling inductor are different inductors.