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A major defense electronics company was under contract from a low earth-orbiting satellite manufacturer to supply a 90 multi-port "Quick-Switch Matrix".  In order to support the challenging production rate, automated testing was required to meet the aggressive throughput targets — while accurately measuring and documenting each unit’s performance.  

The measurement requirements and the physical lay-out of the QSM presented quite a challenge. The QSM (36×54 cross strapped matrix) was configured through a digital data stream which allowed for more than 1280 pathways. In addition to verifying over 1,000,000 data points (and the specified 90 millisecond switching time), the ATE system had to test insertion and return loss versus frequency; port- to-port isolation; gain flatness and slope; in-and-out-of-band spurious emissions; phase shift; amplitude linearity; and switching transients — within a 25 microsecond measurement time.  

In-Phase Technologies was contacted by this repeat customer to provide a quotation to produce a fully automated test set that was capable of rapidly calibrating, connecting, and measuring production QSMs in a nominal ambient bench set-up as well as a thermal vacuum environment. The proposed ATE system included its own input and output switch matrix to route any of the 36×54 paths to the measurement equipment with minimal insertion loss and full 12 term error-corrected calibration. In addition, the test system was also required to have a test fixture which provided a method of rapid connection/disconnection to the 90 blind mate microwave connections on the QSM.  

The measurement system delivered to the customer met all of the specified requirements with single-port test times of less than 6 seconds.

A major defense electronics company was under contract from a low earth-orbiting satellite manufacturer to supply a 90 multi-port "Quick-Switch Matrix".  In order to support the challenging production rate, automated testing

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Fast Switch Matrix Test System 

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A leading medical device manufacturer had existing cardio-rhythm management devices that they wanted to upgrade to include a radio transceiver. With this innovation, they became the first medical device manufacturer to integrate a radio transceiver into an implantable medical device. The new RF transceiver allows physicians to query and adjust implantable devices remotely via an RF transceiver versus an inductive-coupled method where the doctor must place an inductor on the patient’s chest. To accommodate the redesigned device, the company had to revamp their production lines from an inductive communications system to an RF communications system. While they had the in-house engineering talent to develop the new device, they realized they needed a test engineering partner to help with the design and development of a transceiver test set.  

They approached In-Phase Technologies, and after several meetings and exchanges of information, we submitted a proposal that they found acceptable from both a technical and financial standpoint. We were eventually chosen over competition, primarily because of our superior knowledge of RF testing techniques, the technical approach that we proposed, and the overall experience that we offered.  

In-Phase designed two versions of test sets. One was for lower-level board testing which required probing and simulation of a human body environment. The second system was for testing the final assembled implantable device. The final device test set required motion control to remove the device from the production line and automatically insert it into an anechoic chamber for RF air link testing. In-Phase Technologies used its custom designed pneumatic motion system to perform this task. In addition, the system had to simulate impedances’ of the human body for proper transceiver antenna matching. We met this technical challenge using an antenna impedance matching test fixture. Finally, these systems had to pass FDA approval — and they passed with no issues..

A leading medical device manufacturer had existing cardio-rhythm management devices that they wanted to upgrade to include a radio transceiver. With this innovation, they became the first medical device manufacturer to integrate a radio

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Medical Device Test System

In-Phase Technologies Model PCT306 is a self-contained, computer-controlled measurement system for testing RF and microwave passive devices used in helicopters, aircraft, ships, submarines, and militarized vehicles.  

The 50 Ohm system, covering the frequency range of 30 KHz to 26.5 GHz, accurately measures all S parameters, scalar insertion loss, VSWR, and distance to fault (DTF) of RF and microwave cable assemblies under harsh environments. It is designed to withstand vibration, shock, and varied temperature and humidity conditions. The system is self contained within a small transit case and is capable of running off its own internal battery supply or can be connected to any AC outlet. The portable test set is ideal for rapid integrity checks or troubleshooting coaxial cable runs, antennas, and other passive devices from the flight line, in-vehicle, in-depot, and field maintenance facilities.  

The design of the Model PCT306 is based on the field proven In-Phase Technologies cable test systems, used for over a decade on the CH-47 Chinook and V-22 Osprey rotorcraft production facility. Each test set can be pre-programmed with scores of antenna, coaxial cable, and other device performance specifications. These specifications are used by a test operator to test and verify performance of critical cables and devices used in C5ISR avionic systems.

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In-Phase Technologies Model PCT306 is a self-contained, computer-controlled measurement system for testing RF and microwave passive devices used in helicopters, aircraft, ships, submarines, and militarized vehicles.

The 50 Ohm system, covering

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Microwave Vector Test System

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This power supply test system was developed and manufactured to evaluate DC-DC power supplies. Electronic loads and custom UUT control electronics were also provided in accordance with the customer’s needs. Our other systems have included: Equipment to monitor and record telemetry, digital data streams, and evaluate packet data using a variety of VME, VXI, PXI, and LXI equipment.

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This power supply test system was developed and manufactured to evaluate DC-DC power supplies. Electronic loads and custom UUT control electronics were also provided in accordance with the customer’s needs.

Case Studies

Fast Switch Matrix Test System

Medical Device Test System

Microwave Vector Test System

Power Supply Test System