Empower's tested and field proven rugged design is
common across all our
Next Generation Family of amplifiers and is the result of our patented
architecture and design goal to minimize RF power losses along the internal signal path, simplify
manufacturing and provide for ease of servicing. The consequence of this elegant electro-mechanical
compact structural design is a COTS amplifier that is inherently durable. Empower's family
of solid state power amplifiers is thermally and structurally designed to meet today's stringent ...
Revised ARRL Frequency Chart Now Available
chart is now available for printing and downloading. The chart has been updated to include
the new bands at 2,200 and 630 meters. The new chart is available for printing in the following
PDF formats: 8.5" x 11" gray scale, 8.5" x 11" B&W, 8.5 x 11 color, and 11" x 17" color ...
KR Electronics part number
3012-455 is a
160 MHz bandpass filter designed for Positive Train Control (PTC) applications. Encapsulated
for enhanced shock and vibration resistance, 50 Ω source and load, N(F) to N(M) connectors.
The filters are encapsulated/ruggedized for enhanced shock and vibration resistance. Thousands
are currently installed and operating successfully in the field with major rail companies.
Other frequencies and bandwidths are available ...
Here is a prime example of how a primitive and outmoded
form of communication like over-the-air
FM broadcast radio can make its value apparent. "FCC Chairman Ajit Pai
renewed his call for Apple to activate support for FM radio in its iPhones, citing safety
concerns in the wake of a rash of hurricanes. But Apple said some of its latest iPhone models
simply can't receive FM broadcasts. Like almost all smartphones, iPhone models include a chip
that could enable users to access broadcasts ..."
Pasternack, a leading provider of RF, microwave and
millimeter wave products, has unveiled a new series of low insertion loss repeatability
electromechanical switches. Test and measurement applications require
signal processing component performance to be highly accurate and repeatable over long periods
and under extreme conditions. In automated test systems where electromechanical switches are
used for signal monitoring and routing applications, every switch will add repeatability error ...
"I would like
to die on Mars... just not on impact." -
Elon Musk, SpaceX
CEO, during 2013 South by Southwest (SXSW) interview. Begins at 44:15 in video ...
Even in the early days of "computer-designed"
printed circuit boards, the software was sophisticated enough to take a circuit net list
and perform a rudimentary auto-routing all of metal traces, component solder pads and through
holes, using a set of defined design rules for line width and spacing, component size, number
of layers, etc. Manual tweaking was usually needed after the initial run, but even today,
especially for high frequency PCBs, some manual adjustment is needed to help ensure first-pass
success of a layout. According to author Bauer, as many as 22 layers had been accomplished
at the time of the article's printing in 1969. Numerically controlled ...
Did you know that General Electric introduced the first
silicon-controlled rectifier (SCR) for commercial use? It was in 1957. The SCR was one
of the first really high power devices in the semiconductor industry, not for its voltage
and power gain, but for its ability to switch very large currents on and off while have a
relatively low "on" voltage drop. This article gets into the basic theory, operation, and
application of the SCR. The S-band airport surveillance radar that I worked on in the USAF
originally used a vacuum tube thyratron to trigger the magnetron's pulse forming network,
but that tube was replaced with a solid state SCR circuit that plugged directly ...
Sibling Startup Movandi Offers RF for 5G
brings innovative RF front end technology to emerging high frequency, millimeter wave networks
for 5G and beyond. Internationally recognized siblings, leaders and innovators, Maryam and
Reza Rofougaran introduce innovative approach to RF and antenna design, announce new company,
Movandi, a venture-backed startup with
a mission to revolutionize millimeter wave networks, today announced BeamX technology, a scalable
RF front ..."
include nanoscale spintronics sensors that further enhance the areal density of hard disk
drives, through MRAMs that are seriously being considered to replace embedded flash, static
random access memories (SRAM) and at a later stage dynamic random access memories (DRAM).
Spintronics is the concept of using the spin degree of freedom to control electrical current
to expand the capabilities of electronic devices ..."
"Researchers from Finland and Taiwan have discovered
how graphene, a single-atom-thin layer of carbon, can be forged into three-dimensional objects
by using laser light. A striking illustration was provided when the researchers fabricated
a pyramid with a height of 60nm, which is about 200 times larger than the thickness of a
graphene sheet. The pyramid was so small that it would easily fit on a
single strand of hair. The research was supported by the Academy of Finland and the Ministry
of Science and Technology of the Republic of China ..."
NR is ascending rapidly as the
5G technology of choice, but it turns out lots can be done to get ready
as it goes through the formal 3GPP channels. The Qualcomm-led 5G New Radio initiative is accelerating
through the 3GPP wormhole and should start emerging as a formal specification in two stages
in 2018. But how do we test to it in the meantime? Well, I asked the experts at Keysight.
This isn't a new problem, of course. Designers and developers have been ..."
"Laser weapons experts at Lockheed Martin Corp. are helping the U.S. Air
Force develop a compact, ruggedized, high-power laser to defend tactical aircraft flying at
or above the speed of sound from enemy aircraft and missiles. Officials of the Laser Division
of the Air Force Research Laboratory's Directed Energy Directorate at Kirtland Air Force Base,
N.M., announced a $26.3M contract Tuesday to Lockheed Martin Aculight ..."
"The Air Force Research Laboratory at Kirtland Air
Force Base, N.M., is turning to radio frequency and microwave experts at companies such as
Raytheon and Booz Allen Hamilton to conduct experiments with high power electromagnetic (HPEM) technology for such applications as disrupting computers, aircraft,
or electric grids. HPEM EW has attracted the attention of the U.S. Air Force's Directed Energy
"As the industry struggles to get small cells and related
infrastructure deployed across the U.S., it was reminded that some barriers are about more
than aesthetics or registration fees. There's a pending action at the FCC to take another
RF emissions, and that can be a great shield for local government officials,
said Steve Traylor, executive director, National Association of Telecommunications Officers
and Advisors, during a panel hosted by Telecommunications Industry Association ..."