Westford, MA – – NexTek, LLC. has been a World -Class leading designer, developer, and manufacturer of standard and custom coaxial surge protectors and high current AC/DC EMI filters for Commercial, Medical, Avionics, SATCOM, Power Supply, Military and Government markets for over 30 years, and proudly announces a new product series for immediate release.
The “RF Sampler” is a valuable device for monitoring RF Signals, carrier RF imbalances and power outs, noise, and interference. Ideally, the device should be integrated permanently into the cable run, so that it can quickly assist with troubleshooting should the need arise. This unit can also be utilized while passing DC on the center pin. Because the monitoring device is permanently mounted, it allows a technician to easily diagnose many cell-site issues without interrupting service.
Type N Connectors – Male to Female
DC – 3.0GHz Pass
Integrated SMA Sampler Port for Safe Measurements
Measure Signals During Radio System Operation @ -38dB between 700-900MHz
Measure Signals During Radio and System Operation @ -30dB at 2.0GHz
This new product further demonstrates NexTek’s commitment to growth and innovation, while maintaining and delivering the highest quality products to our customers.
For additional information please contact your local sales representative, or get in touch with us directly!
SAMPLER Datasheet (.PDF)
Sampler Press Release (.PDF)
NexTek is proud to announce the release of a new line of standard products, engineered specifically to protect Coaxial RF lines and systems against Lightning Damage as required to meet DO-160G, Section 22.
Available in a variety of pass bands, packages, and with multiple connector options; these designs are based on years of experience providing solutions to the Aerospace and Avionics sectors. When compact size and light weight are critical, but effective and serviceable/replaceable protection is required; The FPD series of lightning protection devices can meet all of these performance points, in a highly reliable and robust package.
D0-160G, Section 22 – All Waveforms and Test Levels
MIL-STD 461G, CS 117 – All Waveforms and Test Levels
Connectors – Type N, TNC, SMA, 2.92mm, MCX, MMCX, and others available
DC Power – DC Pass or DC Short/Block Options available
Frequency – Pass Bands between DC and 18GHz available, across the entire range of designs (not within a single design.)
NexTek is proud to announce the availability of a new ultra-wideband surge protection device for Radio and RF communication systems. With a compact design, an extremely wide pass band, and the ability to pass DC power in addition to RF energy this unit is well-suited for a multitude of bands, applications, and systems that require high-performance lightning protection in a compact package.
Wideband – DC to 12.5GHz
Compact – Ultra-Small Footprint
Robust – High Performance Gas Discharge Tube
Weatherproof – IP68 Dust and Waterproof
Value – Perfect for a wide array of uses, at a good value
The PTCONMONF20G [male-female] and PTCONFONF20G [female-female] units provide a single device that can be used to protect most RF Applications with a single solution. This should allow users with a wideband or multi-band system, or users who have a wide variety of pass bands available across their products or systems, to use a single arrestor and reduce P/Ns, stocking costs, etc.
This unit is also perfect for users who need Type N protection but have no room to add a bulky arrestor. In this case, simply replace a normal un-protected feedthrough connector with this protected version…and you’ll have integrated high-performance lightning and surge protection with virtually no space or weight penalty!
Product Page (datasheets can be found here)
Contact NexTek or your local NexTek Partner directly for more information, samples, and a quote!
As we continue to expand our product offerings, look out for more new Product Releases!
We are proud to announce that we are releasing two new “D Series” Fine Protection (FPL Series) devices for protecting GPS and other Global Navigation Band Receivers.
These products will completely replace the existing “B Series” Fine Protection Devices for GPS applications, the FPLNFNFBxxx and FPLTFTFBxxx units, in the near future. Form, Fit, and Function details remain the same between the existing and new devices in order to allow for a simple and painless transition for existing users.
The Type N version is available now, and the TNC version will be available later in 2018;
Click the Product Photos below to learn more about each device
If you have any questions, comments, or concerns… Just get in touch with us directly!
Now Available on our website… Preliminary Datasheets for our brand-new C-L-C Pi Filter designs. Available in normal C-L-C configuration, or with optional Transient Suppression integrated into the Filter for complete EMC protection!
High Current Pi Filters – Home Page
We have been designing and building feedthrough EMI Filters for high current (30Amps and above) AC and DC applications for nearly 30 years now. There have been multiple design iterations and some important innovations over this time period, but our filter products have been limited to C-Type filters only.
However, this is all about to change! Coming soon, we have a brand-new Pi Filter design for high-current applications. C-L-C Circuit Design means a sharper Insertion Loss curve once the filter turns on, and higher maximum filtering figures approaching 100dB of Loss.
A Small Preview of Design Features:
- C-L-C aka Pi Filter Configuration
- Extremely Compact Package for 180Amperes of Thru-Current
- Available in a Wide Range of AC and DC Voltage Ratings
- Optional Transient Suppression Available
Expect to learn more over the coming months as Datasheets, Product Pages, and more information will be available soon!
Although probably our best-known type of solution, we wanted to take the opportunity to start off 2017 by highlighting Lightning Protection for coaxial RF applications. Fundamentally, the purpose of these devices is to provide high-performance Lightning & Surge Protection for Radio and Electronic Systems and their Users. This can be as simple as protecting a radio itself, or as complex as providing protection to the entire platform or system the protection is being installed upon.
You can see the common areas where protection is installed called out as A, B, and C in the diagram above. This is an over-simplification and does not exactly represent most actual installations, but it does a good job representing the various ways and reasons that a coaxial cable can be installed outside and therefore represent a potential ingress path for Transient Lightning Energy.
Lightning damage is a leading cause of radio damage in many locations and systems around the world. Anywhere a coaxial cable or radio antenna is run outside in an exposed location, there is a potential need for an arrestor/protector on the line as well.
While we do specialize in coaxial connectorized solutions where RF Energy must be passed during normal usage, we also do have many years of experience in designing and consulting on all sorts of Surge Protection devices… From Lightning Arrestors for AC, DC, or Serial/Comms lines, to providing multi-faceted protection that is as effective against Static/ESD and HEMP/NEMP energy as it is against standard Lightning transients.
Lightning – Threat Type Page
Coaxial Lightning Arrestors – Product Family Page
Technical Resources – Technical Note, Articles, and More Info
The Neverending Quest For Size Reduction
As with most technologies, RF and Wireless system design is an ever-changing and shifting world. As certain technologies or RF bands become popular, others fade away.
However, the one ever-present force on the industry is the steady, but relentless, push towards smaller size and better integration over time.
Lightning/Surge Protection at the PCB Level?
Here at NexTek we understand the desire to bring things into the box, or even all the way onto the Radio PCB… However, we also know that Lightning Transients contain too much energy to deal with safely at the PCB Level… Trace widths, ground place areas, and the components themselves all become limiting factors that will prevent complete and effective protection.
Given this reality, the last place where it is reasonable and safe to protect against Lightning or other Surge events is at the radio’s box or chassis level. By replacing the normal I/O connector with a protected version, designer can ensure that they have high-performance protection without paying any significant size or weight penalty. As long as the radio’s chassis is grounded well, the bulk of the Transient Energy will be drained safely to ground before entering the box and/or the PCB itself.
It may still be advisable to install some simple protection on the PCB, but only for final clean-up…Something like a small Protection Diode coupled with a DC Blocking Capacitor (if possible for your application) would provide plenty of protection against any residual energy that gets past the Protected I/O Connector.
Maximum Protection in the Minimum Amount of Space
Below, you can see an array of our Ultra-Compact protection options… They all include high-performance lightning protection, and are available in a wide variety of connector configurations on both the Input and Output side.