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Blindmate RF/Microwave Contacts

 

To accommodate large radial and axial misalignment tolerances found in modular applications, the Phoenix Company of Chicago’s PkZ® series of Blindmate RF Contacts offer an unmatched design; featuring constant impedance up to a .090” axial mating tolerance -the widest available among blindmate contacts.

A common problem in modular applications is the tolerance stack-up in hardware that can prevent RF contacts from fully mating.

The PkZ technology no longer requires full mating to achieve constant impedance, eliminating elaborate methods such as an internal spring to overcome mating gaps and guarantee full mating.

With low insertion forces and no internal engagement spring, the PkZ sets the standard for both reliability and high performance.

The PkZ series of constant impedance blindmate RF contacts are designed for a wide range of connector housings including: Multiport RF D-Subminiature and High Density D-Subminiature, DIN 41612, ARINC 600, MIL-DTL-38999 and HD 38999, Very High Density and Custom Housings.

Phoenix’s newest product lines include: High Mating Cycle RF Contacts; rated to a minimum of 60,000 mating cycles, an array of High Density RF Contacts and Housings, and the expansion of the PkZ series of Blindmate Constant Impedance Contacts of varying sizes, frequencies, and non-magnetic materials.

       

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The PkZ Solution

The PkZ family of microwave contacts were designed specifically for multiport and blindmate applications.

They were designed to provide consistent performance by maintaining constant impedance over larger Z-axis mating gaps caused by system and connector tolerance challenges.

 

How Does the PkZ Work?

 

Impedance changes in a typical SMPM coaxial connector interface as a gap is introduced due to typical and expected mating tolerances.

(see figure 1)

 

The unique PkZ design provides constant impedance even as differences in mating profiles or gaps are created in the mating interface.

(see figure 2)

 

 

The following chart compares typical changes in VSWR due to differences in the mating interface between a standard SMPM type connector and the PkZ contact.

 

 

The PkZ provides a more constant impedance profile over wide gaps in
the mating tolerance thus minimizing negative effects on VSWR.

 

Depending on your requirements, we offer three different PkZ product family options for axial misalignment:

• Size 8 at 0.090”
• Size 12 at 0.070”
• Size 16 at 0.050”

 

 

Need more information?

Please contact the Phoenix Company of Chicago at: sales@phoenixofchicago.com