Small Form Factor RF Cable Assemblies

SV Microwave small form factor RF cable assemblies deliver broadband 50 Ω performance in the most space‑constrained defense and aerospace systems. As part of the Amphenol Military & Aerospace portfolio, these assemblies extend the SMP, SMPM, and SMPS precision push‑on interface families into fully terminated cable solutions rated to approximately 67 GHz.

Compact RF Assembly Range

The family covers miniature push‑on and threaded interfaces including SMP, SMPM, SMPS, and Keyed SMA styles. Cable options in 0.047 in and 0.085 in diameters enable flexibility, minimal insertion loss, and stable impedance across microwave and early mmWave frequencies. Assemblies are built with controlled coaxial transitions to maintain low VSWR and mechanical reliability under vibration and temperature cycling.

Mechanical and Environmental Features

• Low‑Profile and Mini‑D assemblies for dense board‑to‑board or panel‑mount layouts with rugged aluminum shell options.
• UltraLite aluminum‑bodied connectors providing up to two‑thirds weight reduction compared with stainless steel designs.
• Keyed SMA variants offering repeatable alignment and four mechanical keying positions for high‑channel‑count modules.
• Non‑Magnetic assemblies with magnetic susceptibility ≤10⁻⁵ for sensitive quantum, medical, or instrumentation environments.
• Integrated low‑pass filter versions available for SMA and SMPM interfaces with 12–18 GHz passbands, maintaining identical form factors to standard bullets.

Engineering and Integration Guidance

These cable assemblies simplify layout and testing in airborne radar, electronic warfare, and OpenVPX/SOSA‑aligned modules where volumetric efficiency and consistent impedance are critical. Typical integration options include flexible or semi‑rigid cable terminations, straight or right‑angle connectors, and custom lengths defined through SV Microwave’s Cable Builder tool.

Applications

• Radar front‑ends and phased‑array modules
• Electronic warfare receivers and transmitters
• Quantum measurement and cryogenic systems
• Automatic test and calibration equipment
• Avionics and compact embedded computing platforms