Focus Microwaves - RF Test Fixtures DC-26 GHz
Focus Microwaves provides modular microstrip, high-power, and ultra-low-loss coaxial fixtures designed for load pull testing of packaged transistors. Equipped with TRL calibration standards, these fixtures support transistor packages from under 0.1” to 1” wide. Special features include decade-wide Klopfenstein transformers (Fmax:Fmin ~10:1), water- and air-cooling options, and on-substrate bias networks. Microstrip fixtures (PTJ-x*) offer 50Ω lines, λ/4 or taper transformers, harmonic traps, and DC bias networks, while Minimum Loss coaxial Test Fixtures (MLTF-x*) feature low insertion loss (< 0.03 dB at 2 GHz) with connectors including 7mm, N, and 7/16, spanning up to 18 GHz. Both types support water cooling for RF power up to several hundred Watts.
Model |
Frequency |
Connector |
---|---|---|
MLTF-C |
Up to 6 GHz |
N type, APC-7 |
MLTF-Ku |
Up to 18 GHz |
N type, APC-7 |
MLTF-X |
Up to 12 GHz |
N type, APC-7 |
PTJ-C |
DC - 6 GHz |
SMA, N type, 3.5 mm, APC-7 |
PTJ-Ka |
Up to 26 GHz |
3.5 mm |
PTJ-KLOP |
Up to 8 GHz |
N type |
PTJ-Klopf-404 |
Up to 4 GHz |
APC-7 |
PTJ-Ku |
Up to 18 GHz |
3.5 mm, APC-7 |
PTJ-S |
DC - 4 GHz |
SMA, N type, 3.5 mm, APC-7 |
PTJ-X |
Up to 12 GHz |
N type, 3.5 mm, APC-7 |
More Product Information

- Accommodates a combination of up to four Cascade Microtech probes
- Configurable for mixed-signal RF/mmW testing
- Quick and easy repairs to be performed in the field, by simply replacing individual probes
- Adaptable to new device layouts by exchanging individual probes

The NS1310 is a robust, compact data server and storage unit specifically designed for the challenging conditions of airborne environments.
This versatile system functions as a Network Attached Storage (NAS) unit and is equipped with a high-capacity Removable Memory Module (RMM).
The ENERTEC™ mission data processing and distribution units offer cost-effective and dependable solutions for field and mission data tasks, such as data acquisition, processing, storage, exploitation, and distribution. These units are suitable for use on both manned and unmanned ground, air, and sea vehicles. They undergo rigorous validation and formal qualification testing, adhering to standard test methods like DO-160 and MIL-STD-810.

EMC test equipment to evaluate the resistibility of electronic devices and components when energy charged on a human body or object is discharged to the electronic devices and components. NoiseKen brand ESD simulator is available to see malfunctions or function declines of electronic equipment for appropriate evaluations compliant with IEC 61000-4-2 Ed.2 Test Standard, ISO 10605 Ed.2 Test Standard & ISO 10605 Ed.3 Test Standard.
The ESS-S3011A features a function which enables the user to pre-program test settings to minimize setup errors as well as having the unit be incorporated into a remote or autonomous testing setup. Another feature that sets apart NoiseKen ESD guns to that of competitors is the discharging gun separation design which helps achieve the lightweight.
For conventional ESD guns, that have generators that are inseparable from the gun, you may experience having to replace the whole unit even only when certain parts of the unit are broken. However, with the NoiseKen’s separation design, replacement parts can be minimized to lower the running cost.

The RTR-X4 is one of the most advanced digital telemetry receivers on the market with its well-recognized RF performance and signal processing capability.
The 4U chassis-based RTR-X4 can support up to four channels providing flexibility and capability as well as a rich set of features for different frequency bands, modulations, decoders and output formats.
Not only does the CORTEX RTR provide an extensive set of features for different frequency bands, modulations, decoders and output formats, but the user can easily upgrade the equipment in the field to access additional and new features. The RTR-X4 is an excellent fit for flight test ranges, offering full flexibility and easy access to settings through its user-friendly GUI on the embedded 8.4-inch screen.

Power Subsystem for Transportable Military test stand
- Provides eight channels of programmable DC power with output isolation function
- Output disconnect function
- Total control via Ethernet within power supply
- Mounted in custom in transportable shock-mount case

The VS1410 is a video & data recorder/server packaged in a rugged compact chassis (3.75” x 5.75” x 7.36” / 6.4 lb), for recording on a Removable Memory Module (RMM).
Recorded data can be replayed in a standard PC/Windows® environment, using specific or COTS mission debrief solutions for post mission analysis. In addition, typically for ISR applications, data can be replayed while recording on board.
The ENERTEC™ mission data processing and distribution units offer cost-effective and dependable solutions for acquiring, processing, storing, exploiting, and disseminating field and mission data.
These units are suitable for both manned and unmanned ground, air, and sea vehicles. They undergo rigorous validation and formal qualification testing, adhering to standard test methods such as DO-160 and MIL-STD-810.

Auriga’s Bias Tees balance impressive RF performance with heavy-duty power handling across multiple frequency bands ranging from 0.1 GHz to 67 GHz. They are designed for rigorous usage without sacrificing RF performance.

- Superior phase stability against bending and temperature fluctuations makes this cable assembly perfect as a vector network analyzer connector for measurement.
- Continuous operation temperature range: -30 to +85°C.
- 7 cables with different maximum usage frequencies (26.5 GHz, 50 GHz, 67 GHz, 70 GHz, 110 GHz, 120 GHz and 145 GHz) are available.

- Power bypass inductance: 8 nH
- Standard DCQ probes have flat tip needles available in nickel-plated tungsten or BeCu with diameters of 0.75 mil, 1.0 mil and 1.5 mil.
- Supports collinear and non-standard needle configurations
- Up to 16 DC for standard; maximum of 24 DC for custom
- Ideal for probing the entire circuit for functional test
- DC probes can provide power or slow logic to circuit under test

Focus Microwaves
Focus Microwaves is a pioneering engineering company, built around the innovations of its founder Dr. Christos Tsironis who developed his first manual tuner in 1973 and is the inventor of most existing electro-mechanical tuner families. The success of Focus is based on the engineering and manufacturing skills of its highly motivated and experienced team of engineers and technicians, who have been trained and encouraged to develop new technologies. In addition, listening to our customers needs and insights helps us discover and develop new and measurement methods on an ongoing basis, relentlessly pushing the limits of what is possible.
From humble beginnings in 1988, Focus has become the main supplier of advanced Load Pull and Noise Tuner Systems. Our mission is to provide effective, reliable and innovative solutions for non-50 Ohm testing (Noise and Load Pull) of RF microwave transistors, thus enabling our customers to compete in the marketplace with better designs and to advance the understanding and knowledge of the field.
Contact Details
Focus Microwaves Inc. Main Head Office
4555 Chem. du Bois-Franc, Saint-Laurent, QC H4S 1A8, Canada
Phone: +1-514-684-4554
Test & Measurement
