Focus Microwaves - Bi-Directional Couplers 5-120 GHz
Focus Microwaves' bi-directional couplers, available in 40, 67, 110 and 120 GHz models, offer high directivity and low insertion loss. These couplers provide precise measurements, making them ideal for advanced RF and microwave testing, ensuring accuracy and efficiency in both R&D and production environments.
Model |
Input/Output Connector |
Coupling Port |
Frequency Range |
Insertion Loss |
Directivity |
Coupling |
Datasheet |
---|---|---|---|---|---|---|---|
BC-40 |
2.9 mm (FM) |
2.9 mm (F) |
5 GHz - 40 GHz |
0,3 dB |
10 / 15 dB |
30 dB |
|
BC-67 |
1.85 mm (FM) |
1.85 mm (F) |
5 GHz - 67 GHz |
0,4 dB |
10 / 15 dB |
30 dB |
|
BC-110 |
1 mm (F) |
1 mm (F) |
5 GHz - 110 GHz |
1,5 dB |
10 / 15 dB |
20 dB |
|
BC-120 |
1 mm (F) |
1 mm (F) |
5 GHz - 120 GHz |
1,5 dB |
10 / 15 dB |
20 dB |
More Product Information

The PHD1200 and PHD2000, with advanced pulser-circuit technology, offer unmatched speed, accuracy, and resolution for precise dynamic on-resistance measurement of transistors. Paired with the AU-5 Pulsed IV/RF System, this compact solution delivers exceptional performance.

Unlock precise nonlinear transistor behavior representation with our Cardiff Model portfolio. Improve accuracy across a wide impedance space effortlessly.

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Type APS-H CMOS sensor
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IEEE 1588 PTP
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Power over Ethernet
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4.59 fps at full resolution
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Extended near-infrared (GT5120NIR) model
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GigE Vision interface with Power over Ethernet
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Screw mount RJ45 Ethernet connector for secure operation in industrial environments
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Supports cable lengths up to 100 meters (CAT-6 recommended)
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Trigger over Ethernet Action Commands allow for a single cable solution to reduce system costs
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Comprehensive I/O functionality for simplified system integration
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Planarity adjusted (PA) EF Lens Mount (option -18) for electronic control of aperture and autofocus
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Easy camera mounting via standard M3 threads at all sides and 1/4-20 tripod mounting hole
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Easy software integration with Allied Vision's Vimba Suite and compatibility to the most popular third party image-processing libraries.
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Enhanced Defect Pixel Correction feature with a new Defective Pixel List Manager tool that allows you to load different user defined defective pixel lists to match your application and optimize the life cycle of the camera

Focus Microwaves' Harmonic Tuners are engineered to enable precise control of impedance at the fundamental and harmonic frequencies (typically f₀, 2f₀, and 3f₀), making them essential for nonlinear device characterization and power amplifier design.
These tuners feature multiple cascaded probes within a single tuner body, allowing independent or simultaneous tuning at multiple frequencies. Their robust design ensures high tuning accuracy, minimal insertion loss, and excellent repeatability across a broad frequency range. Harmonic tuners are the ideal solution for advanced Load Pull measurements where harmonic control is critical.

The Focus Phase Stable Cable is an advanced RF cable designed for superior performance and reliability in demanding applications. Engineered with meticulous attention to detail, this cable features high-quality materials and precise manufacturing standards to ensure exceptional phase and amplitude stability, low insertion loss, and robust environmental resistance. Suitable for a wide frequency range from DC to 110GHz, it is ideal for applications requiring stable electrical performance under dynamic conditions.

4U and 5U expansion chassis with ample power to run lots of PCIe slots and host multiple option cards. Provide total bidirectional throughtput between a host system and a target expansion system, delivering expanded I/O capabilities needed to support evolving workloads.
- Up to 18 Additional PCIe 3.0 Slots - Incorporate up to 18 additional PCIe 3.0 slots, allowing you to scale your system in response to your most complex application or program needs.
- System Design Flexibility - Connect host card to any system with a x16 slot. Easily add or remove I/O devices or make changes to existing components.
- Performance Optimization - Offload tasks from the host system and dedicate specific tasks to separate option cards, reducing congestion, latency, and resource contention.

- Part of the MicroBrite™ family of high performance, compact machine vision lights.
- Our DF196 Series delivers direct illumination at a low angle to cast shadows used to identify surface defects, embossed text, etc.
- This dark field ring light is more directional and less diffuse than the DF198.
- Available in 4 sizes with an intesity of 72kLux (working distance of 25mm with DF196-100)

Discover Focus Microwaves' wideband fundamental tuners. The C-Series (Computer-Controlled Microwave Tuners) feature one to three wideband probes, enabling exceptionally broad frequency coverage—ideal for high-power and wideband noise applications.
Designed for precision, the tuner's long-lasting RF probes ensure optimal tuning accuracy while eliminating spurious resonances. The integration of multiple probes within a single tuner provides ultra-wideband coverage, making it a versatile solution for demanding RF applications.

Calibrating tuners for Network Analyzers presents challenges due to high reflections and low losses, affecting S-parameter measurements. At Focus Microwaves, we advocate for TRL (Thru-Reflect-Line) calibration as essential for precise results, unlike the less reliable SOLT and ECal methods. Our comprehensive TRL calibration kits cover 0.3 to 110 GHz and support connector types including 7/16, N, APC-7, 3.5mm, 2.9mm, 2.4mm, 1.9mm, WR-15, and WR-10. Compatible with all commercial network analyzers, these kits ensure reliability and accuracy, crucial for dependable VNA measurements.

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
