Coaxial connector calibration devices
View Patent ↗Calibration devices, systems, and methods for push-on RF connectors are described. A male calibration connector can include a removable detent portion. With the removable detent portion removed, the male calibration connector can connect to a female calibration standard during a calibration process. With the removable detent portion installed, the male calibration connector can connect to a female push on connectors. Female calibration connectors and male calibration standards are also described.
1. A male calibration kit for use with RF components having female push-on connectors, the kit comprising:
a first male calibration connector including
an annular outer conductor,
an inner conductor supported within a bore of the outer conductor by a dielectric support structure, the inner conductor including a pin, and
a removable detent portion removably attached to a first end of the first male calibration connector, the removable detent portion comprising a detent formed as an annular protrusion extending radially inward from an inner surface of the removable detent portion, the first male calibration connector configured to connect to a female push-on connector when the removable detent portion is attached to the first male calibration connector through engagement of the detent with a nib of the female push-on connector;
a first female calibration standard outer conductor including
an annular body having a slot-free, smooth inner surface defining a bore through the body,
a first attachment mechanism positioned at a first end of the first female calibration standard outer conductor, the first attachment mechanism configured to attach the first end of the first female calibration standard outer conductor to the first end of the first male calibration connector when the removable detent portion is removed from the first male calibration connector; and
a first female calibration standard inner conductor comprising a cylindrical body, a first end of the first female calibration standard inner conductor including a first opening configured to receive the pin of the first male calibration connector,
wherein the first female calibration standard inner conductor is supported within the first female calibration standard outer conductor by the pin of the first male calibration connector such that there is an air gap between the first female calibration standard inner conductor and the first female calibration standard outer conductor when the first female calibration standard outer conductor and the first female standard calibration inner conductor are attached to the first male calibration connector.
2. The kit of claim 1 , further comprising:
a second male calibration connector including an annular outer conductor, an inner conductor supported within a bore of the outer conductor by a dielectric support structure, the inner conductor including a pin, and a removable detent portion removably attached to a first end of the second male calibration connector, the second male calibration connector configured to connect to a female push-on connector when the removable detent portion is attached to the second male calibration connector;
wherein a second end of first female calibration standard outer conductor includes a second attachment mechanism configured to attach the second end of the first female calibration standard outer conductor to the first end of the second male calibration connector when the removable detent portion is removed from the second male calibration connector; and
wherein a second end of the first female calibration standard inner conductor comprises a second opening configured to receive the pin of the second male calibration connector.
3. The kit of claim 2 , wherein the first female calibration standard outer conductor and the first female calibration standard inner conductor each comprise a first length, and wherein the kit further comprises:
a second female calibration standard outer conductor; and
a second female calibration standard inner conductor;
wherein the second female calibration standard outer conductor and the second female calibration standard inner conductor each comprise a second length different from the first length.
4. The kit of claim 1 , further comprising an alignment tool comprising a body extending along an axis, the body having a channel formed therethrough, an inner diameter of the channel corresponding to an outer diameter of the first female calibration standard inner conductor, an outer diameter of the channel corresponding to an inner diameter of the bore of the first female calibration standard outer conductor, and the alignment tool further comprising a handle.
5. The kit of claim 4 , further comprising a push rod tool comprising a cylindrical body extending along an axis, an outer diameter of the cylindrical body configured to correspond to the inner diameter of the channel of the alignment tool, and the push rod further comprising a handle.
6. The kit of claim 5 , further comprising a short connector comprising:
an annular outer conductor;
an inner conductor positioned within the outer conductor, the inner conductor including a block connecting the inner conductor to the outer conductor.
7. A female calibration standard, comprising:
an annular outer conductor extending along an axis between a first end and a second end, the outer conductor including an inner surface defining a cylindrical bore that extends along the axis, wherein the inner surface is smooth and slot-free between the first end and the second end;
a rotatable first retaining nut retained on the first end of the outer conductor by a first retaining ring positioned within a first annular groove on the first end of an outer surface of the outer conductor, the first rotatable nut including a first threaded portion configured to engage a corresponding threaded portion of a first male calibration connector; and
a rotatable second retaining nut positioned around the outer conductor proximal to the second end, the second retaining nut retained on the second end of the outer conductor by a second retaining ring positioned within a second annular groove on the second end of an outer surface of the outer conductor, the second rotatable nut including a second threaded portion configured to engage a corresponding threaded portion of a second male calibration connector; and
an inner conductor extending along the axis between a first end and a second end, the first end including an opening configured to receive a pin of the first male calibration connector and the second end including an opening configured to receive a pin of the second male calibration connector,
wherein the inner the inner conductor is supported within the outer conductor by pins of a first male calibration connector and a second male calibration connector such that there is an air gap between the inner conductor and the outer conductor and no structure extends between the inner conductor and outer conductor between the first end and the second end of the inner surface of the outer conductor when the female calibration standard is connected between the first male calibration connector and the second male calibration connector.
8. The female calibration standard of claim 7 , wherein the first and second retaining nuts each include an opening, wherein the outer conductor extends through the openings of the first and second retaining nuts, and wherein the first and second retaining nuts are configured to slide axially along the outer conductor.
9. The female calibration standard of claim 7 , wherein the inner conductor includes an outer surface, and wherein the outer surface of the inner conductor is smooth.
10. The female calibration standard of claim 7 , wherein the openings of the first end and the second end of the inner conductor are configured to receive inserts, the inserts including bores configured to receive the pins of the first and second male calibration connectors.
11. The female calibration standard of claim 7 , wherein the inner conductor is not connected to the outer conductor.