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US 12,519,201 B2Granted
Bias tees having a capacitance to ground
AssigneeCommScope Italy S.r.l.
InventorsMatteo Cendamo, Marco Comerlati
Life of this patent
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Abstract
Bias tees are provided that include a radio frequency (RF) transmission line. The bias tees include a dielectric material that is configured to provide a capacitance between the RF transmission line and ground. The bias tees include a high-frequency port, a common port, and a low-frequency port, and the RF transmission line is coupled between the common port and the low-frequency port.
Claims18
A bias tee comprising:
- a low-frequency port;
- a high-frequency port;
- a common port;
- a radio frequency, RF, transmission line that is coupled between the common port and the low-frequency port;
- and
- a dielectric material that is configured to provide a capacitance between the RF transmission line and electrical ground,
- wherein the RF transmission line includes a widened portion,
- wherein the dielectric material is between the widened portion of the RF transmission line and the electrical ground, and
- wherein the RF transmission line comprises first and second narrowed portions that are inductively coupled to each other.
6 more elements
A bias tee having an air-stripline radio frequency, RF, transmission line that is along a low-frequency path of the bias tee and is capacitively coupled to ground,
- wherein the bias tee further comprises a dielectric, and
- wherein the capacitive coupling to ground is provided via the dielectric.
A bias tee comprising:
- a low-frequency port;
- a high-frequency port;
- a common port;
- a capacitance to ground that is coupled between the common port and the low-frequency port;
- and
- first and second coupling sections that are coupled between the common port and the low-frequency port,
- wherein the first and second coupling sections have mutual coupling therebetween.
4 more elements
Dependencies are inferred from the claim text.