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Here are 2021 press release archive pages:
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 ConductRF LSA series of Low Loss, Performance
flexible RF cable assemblies, provide microwave system designers with a versatile
solution for most applications. Here we offer customers a solution for 0.086" dia.
cable that facilitates greater flexibility and handling or, 0.141" dia. that
exploits the same great performance but with almost half the loss. Connector options
include SMA, Type-N, TNC & SMP that provide excellent VSWR between DC and 18 GHz,
also solutions for MCX & SMB are available in a wide array of configurations.
These assemblies are built using our own double shielded, FEP jacketed cable, that
was developed specifically for performance solutions. With shielding effectiveness
exceeding 90 dB through 18 GHz, these cables minimize the threat of cross-talk
effect...
 Axiom Test Equipment, an electronic test
equipment rental and sales company has published a new blog post that informs people
about the versatility of an
electronic
load. When an AC or DC supply must be evaluated, during design or even for maintenance,
an electronic load provides much needed capabilities. Electronic loads provide insights
into how the power source behaves under different load conditions for AC or DC power
sources. By keeping an electrical parameter such as voltage, current, power, or
resistance fixed, it can measure voltage/current or power/resistance under constant-voltage
(CV), constant-current (CC), constant-power (CP), and constant-resistance (CR) conditions.
Starting the search for an electronic load usually begins by understanding an application's
requirements, for AC or DC testing...
 Exodus Advanced Communications introduces
the
AMP2123P-4KW, a robust 400-1000 MHz, 4 kW Pulse Amplifier for Pulse/HIRF,
EMC/EMI Mil-Std 461/464 and Radar applications. Up to 100 μsec pulse widths,
up to 6% duty cycles with a minimum of 66 dB gain. Providing superb Pulse fidelity,
excellent rise/fall times, monitoring parameters for Forward/Reflected power in
Watts & dBm, VSWR, voltage, current, temperature sensing for unprecedented reliability
and ruggedness, and local LCD & remote flexible interfaces, all in a compact
10U chassis 17.5"H x 19"W x 22"D nominally, weighing in at 45 kg 45 kg...
 Modelithics is pleased to announce the release
of version
21.6 of the COMPLETE+3D Library for use with Ansys HFSS. The library contains
nearly 350 highly scalable Microwave Global Models™ for capacitor, inductor, and
resistor families from many popular vendors, plus Modelithics' collection of nearly
500 3D geometry models for inductors, capacitors, filters, packages, and connectors.
This library now represents a total of more than 24,000 individual components with
circuit and 3D electromagnetic (EM) models. Version 21.6 adds 6 new part value-,
pad-, and substrate scalable Global Models for circuit models and 88 new full wave
3D EM models. New 3D EM models are available for 5 ATC capacitor series, 13 AVX
capacitor series, 18 Barry Industries packages, Johanson's R05L and R07S capacitor
series, 5 Kemet capacitor series, 11 Murata capacitor series...
 Artech House today announced the publication
of
Circularly Polarized Dielectric Resonator Antennas, by Raghvendra Kumar Chaudhary,
Rajkishor Kumar, and Rakesh Chowdhury. This unique resource introduces wideband
circular polarization radiation in dielectric resonator antennas (DRA). It presents
five key feeding techniques, including coaxial probe, microstrip, conformal strip,
aperture, and coplanar waveguide. It also covers different shapes of dielectric
resonator antennas, which will lead to improvement of circularly polarized (CP)
performance and explores the advantages and disadvantages of each feeding technique.
Important characteristics of DRA, including high radiation efficiency, high gain,
wide range of bandwidth, low ohmic losses, high power handling capability, and 3D‐design
flexibility, are discussed. New techniques that generate broadside circular polarization
(CP) by using sectored DRAs...
 Precision Ruggedized VNA Cables from ConductRF
offer RF Engineers great alternatives to costly OEM cables that are now past their
best days. We have standards for applications at 18 GHz, 27 GHz, 40 GHz,
50 GHz & 70 GHz. Our torque resistant connector heads and phase stable
constructions ensure great performance for many tests to come. ConductRF VNA series
provides customers with reliable ruggedized solutions for Lab and Production Vector
Network Analyzer testing. With options for 18 GHz, 26.5 GHz, & 40 GHz,
these cables offer cost leading alternatives to original OEM VNA cable solutions.
VNA Series cables are enhanced with a stainless steel spiral armor, providing protection
from excess bending and crushing forces. A black non-conductive outer cover completes
the product. These cables are phase stable during flexing and have an operating
life cycle...
 Skyworks is pleased to introduce its
L, S and
C Band Ceramic RF Band Pass Filters for GPS, TCAS, Portable Transceiver, Homeland
Security Radio, 5G, IOT and medical-based systems. These products are in production
and loose samples are currently available. Skyworks offers a family of ultra-small
profile filters available in surface-mount technology (SMT) designs. We can design
and manufacture filters from 200 MHz up to 8 GHz, with high power handling ability
up to 10 W, continuous wave (CW). We also offer rapid response times on all filter
design requirements. The small-profile ceramic filter designs offer customers the
option to go with a lighter weight, and reduced X-Y-Z dimensions as solutions to
their requirements. These ceramic filter solutions allow design flexibility beyond
traditional ceramic styles...
 Planar Monolithic Industries (PMI) introduces
a 6.0 to 18.0 GHz low noise amplifier with a 2 dB noise figure, model
number PE2-19-6G18G-1R6-16-12-SFF.
PMI Model No. PE2-19-6G18G-1R6-16-12-SFF is a low noise amplifier which operates
between 6.0 to 18.0 GHz. This LNA provides 19 dB of small signal gain while
maintaining a low noise figure of only 2 dB. The P1dB output power of 15 dBm
enables the LNA to function as a LO driver for balanced, I/Q or image reject mixers.
This model also features I/O's that are DC blocked and internally matched to 50 ohms...
 The following article entitled "Top
5 Clever Solutions to Common Problems of RF and Microwave PCB Designs" was prepared
for and submitted to RF Cafe by its author, Ken Ghadia, of TechnoTronix Electronics
Manufacturing Services. He wrote asking whether he could provide an article on an
aspect of PCB design relevant to RF Cafe visitors, so I suggested addressing the
issue of placing digital and analog / RF signals on a common substrate. TechnoTronix
has a state of the art facility here in the United States that enables clients to
successfully overcome production and PCB fab challenges to produce the innovative,
cutting-edge electronics products and providing PCB prototype services, PCB, PCB
assembly service, PCB manufacturing service, PCB fabrication service & more
in U.S. and around the world...
 Exodus Advanced Communications introduces
our compact 2.0-8.0 GHz Module, model number
AMP1146A.
This ideal TWT replacement produces 70-watts minimum, 80-90 W nominal power.
The minimum power gain is 48 dB with <-20 dBc harmonics. Included are current &
temperature sensing and built-in protection circuits for optimum reliability &
ruggedness for all applications. The nominal weight is 3 lbs., and dimensions
of 4.3" W x 7.8" L x 1.0" H. Class AB linear GaN design. Suitable
for all single channel modulation standards. Built-in protection circuits...
 ConductRF is now making many standard
VITA67 RF Cable
assembly options available immediately through DigiKey. We are supporting SMPM,
SMPS and NanoRF insertable coax connector configurations with standard validated
performance up to 18 GHz. Each assembly is built utilizing our highly stable
coax cable. Solutions include options for both 0.086" and 0.047" Coax Cable. A robust
and powerful solution for Multi-Port RF interconnect. An new industry standard for
backplane Blind Mate solutions. Also support mixed signal requirements. SMPM, SMPS &
NanoRF contacts supports from DC to 18 GHz. Phase matching available. 100%
Test Validated...
 Sam Benzacar of Anatech Electronics, an RF
and microwave filter company, has published his August 2021 Newsletter that features
his short op-ed entitled "The Millimeter-Wave Debacle
Revisited," where he notes, "there are good reasons why few have dared to tread
there, not the least of which are extremely challenging propagation characteristics,
very short range, and the need to rely on complex technologies to make communications
possible. I found it interesting that, except for a few bold journalists, hardly
anyone has asked whether, with all these challenges, it will be economically feasible,
at least initially, to use these frequencies." Sam also presents some relevant industry
news items as well...
 Triad RF Systems, a leading designer and
manufacturer of innovative RF/Microwave amplifiers and integrated radio systems
for challenging environments, presents their newest Blog entry entitled, "3
Practical Steps to Begin the Custom RF Power Amplifier Design Process." It outlines
the process to Research and Plan with Size and Performance in Mind; to Design, Simulate,
Manufacture; and to Test, Tune and Repeat. "It takes years of expertise to push
the boundaries of linearizing RF Solid State Power Amplifiers (SSPAs) while maintaining
a price structure that allows RF amplifier solutions to meet cost targets. So, due
diligence is crucial. Please feel free to contact us with any question." You can
also download our paper entitled "Key Considerations for a Successful Custom RF
Amplifier Design."
 We know, many times you want to just buy
your RF assemblies to plug in to your
Circular
D38999 Connector or your VITA67 module. Well know ConductRF offers multiple
solutions for both styles of Multi-Port connector all available on short lead times
based on our on hand materials stock.D38999 integrates BMA, SMPM & SMPS Connectors,
also other #8, #12 & #16 coax contact solutions. VITA67.1/2 uses SMPM solutions,
but the new VITA67.3 also offers SMPS and NanoRF to support your coax. These are
100% factory tested to exacting VSWR and Loss standards because, We know, Results
Count!
 Exodus Advanced Communications, a multinational
RF communication equipment and engineering service company serving both commercial
and government entities and their affiliates worldwide, introduces the AMP2085-2.
Exodus AMP2085-2, a rugged SSPA replacing aging TWT technology. Ultra-broadband,
class A/AB design for all industry standards. 2.0-8.0 GHz, 50 W Minimum, >70 W
typical and 47 dB gain. Excellent power / gain flatness compared to TWT's.
Forward / Reflected power monitoring in dBm & Watts, VSWR, voltage / current
/ temperature sensing for superb reliability and ruggedness. The nominal weight
is 40 lbs. in a compact 3U chassis, 5.25"H x 19"W x 22"D...
 Royal Circuit Solutions combines decades
of manufacturing experience with the cutting edge in technology - from software
automation to the most advanced machinery in the world. Design engineers come to
us because, simply put, "we find a way to get the job done." Visit us anytime at
either our 50,000 sq.ft. shop in Hollister, CA or our newest manufacturing
facility outside of L.A. We manufacture quick-turn prototype printed circuit boards
(PCBs) - rigid, rigid-flex, and flex - for thousands of customers nation-wide, including
engineers at some of the world's biggest tech companies. Royal Circuits was founded
in 1998 - 21 years ago - to provide engineers with high-tech circuit boards incredibly
fast...
 ARCTURUS is the new
flexible antenna
for 5G/4G LTE/3G/2G/NB-IoT/CATM applications designed by Synzen Precision Technology.
In today's tech and electronics world, where the modern mantra is to think bigger
and make smaller, we've designed perhaps the most compact and versatile 5G FPC antenna
on the market. Measuring just 88 mm x 14 mm, ARCTURUS can be placed internally
in devices which require an integrated antenna solution. Its ultra-small form factor
doesn't compromise on performance, covering a hugely impressive array of wideband
frequencies from 617-5000 MHz. Arcturus can be easily integrated with its "peel
and stick" self-adhesive backing...
 Sam Benzacar of Anatech Electronics, an
RF and microwave filter company, has published his July 2021 newsletter that features
his short op-ed entitled "Wi-SUN: The Most Pervasive
Wireless Technology You May Not Heard Of," where he notes "Like ZigBee, WirelessHART,
ISA100, SNAP, and 6LoWPAN, Wi-SUN (doesn't even have a Wikipedia entry yet) is based
on the IEEE 802.15.4 standard and employs a mesh-type rather than star topology,
making it inherently self-healing. There is no need for base stations because each
node talks to the others, eliminating a single point of failure." Not only haven't
I heard of Wi-SN, but I haven't heard of WirelessHART (HART = Highway Addressable
Remote Transducer) or ISA100. Sam also presents some relevant industry news items
as well...
 Teledyne Relays today announced availability
of four new reed relay product families, all offering extremely long life of up
to 1 billion cycles, ideal for applications where high reliability is essential.
The new product lines complement the already broad array of rugged switching solutions
the company has been supplying for more than 60 years.
Reed relays offer a compact and lightweight solution for switching of AC or
DC signals. Contacts are hermetically sealed inside a glass envelope which protects
them from corrosion. Compared with other mechanical-based relays, reed relays offer
low power consumption, low contact capacitance and faster switching speeds...
 Antenova Ltd, UK-based manufacturer of antennas
and RF antenna modules for M2M and the IoT, is announcing a compact high performing
antenna for the 5G bands worldwide, including LTE band 74 1420-1520 MHz and
617-698 MHz.
Lutosa is a flexible antenna measuring 95 x 15 x 0.15 mm, making it ideal
for smaller designs, as it can be curved or folded and inserted into the device
The antenna is linear polarised and showed high efficiency in tests. Antenova has
designed Lutosa for easy integration into a device, the antenna does not require
a ground plane or a matching network, and is simply fixed in place using its own
self-adhesive strip...
 Axiom Test Equipment, an electronic test
equipment rental and sales company, has published a new blog post entitled "Spectrum
Analyzers Check 5G Occupied Bandwidth" that informs people on how the right
spectrum analyzers can help locate the interference of additional signal energy
that can interfere with 5G service. With a suitable spectrum analyzer, occupied
bandwidth measurements reveal the total integrated all signal energy within the
bandwidths that concern 5G system designers, service providers, and users and when
any interfering signals are at high enough power levels to be a concern. Selecting
a spectrum analyzer for occupied bandwidth testing is a matter of matching the equipment's
capabilities to the limits of the OBW measurements. An analyzer's frequency range
and amplitude range are good starting points for 5G OBW measurements...
 Exodus Advanced Communications, a multinational
RF communication equipment and engineering service company serving both commercial
and government entities and their affiliates worldwide, introduces the
AMP2053A-1.
Model AMP2053A-1 is a rugged solid state power amplifier (SSPA) replacing aging
TWT technology. It is a broadband class A/AB amplifier design for all industry standards,
with a wide 6.0-10.0 GHz bandwidth, a minimum power output of 100 W Minimum
(>120 W typical) and 50 dB of gain. The SSPA features excellent power
and gain flatness as compared to TWT's. Forward and reflected power monitoring,
VSWR, voltage/current and temperature sensing are provided for superb reliability
and ruggedness. The nominal weight is 45 lbs. in a compact 4U chassis, 7"H
x 19"W x 22"D...
 Bittele Electronics, a Toronto-based manufacturing
firm specializing in prototype and low-to-mid volume printed circuit board (PCB)
assembly, announced today that it has expanded its
Full Turnkey Services to help more companies reduce costs and save money. By
combining PCB Fabrication, Parts Procurement, and Assembly into a one-stop Full
Turnkey Service, Bittele will provide dramatic time and cost savings to its customers.
Bittele's Full Turnkey Services save customers time and money with a free Design
for Manufacturing (DFM) check, which eliminates manufacturability issues before
PCBs are fabricated and also reduces the chances of costly re-spins. Amidst today's
global semiconductor shortage, Bittele realizes the importance of keeping costs
low. Bittele's Full Turnkey Service includes a BOM pricing team to check prices
from authorized vendors to ensure customers receive the lowest cost. "With no markup
on component pricing, you not only receive the lowest possible BOM price, you also
save the time and resources of managing...
 Modelithics, Inc. today announced plans to
expand the highly-demanded
Modelithics Qorvo
GaN Library of high accuracy non-linear models for Qorvo transistors. The current
GaN library version (v21.4.5) includes a total of 82 models containing 59 packaged
power models, 17 GaN die power transistor products and 6 small-signal models. The
expansion will now add more than 20 new high-power Qorvo GaN transistor models to
the library. The Modelithics Qorvo GaN Library is a set of non-linear models for
Qorvo package and die GaN devices, designed for excellent accuracy, and validated
with broadband S-parameters and load pull data at multiple frequencies. Each model
has a detailed datasheet summarizing model features, development details, and model
performance plots. Some devices are also represented with small-signal and noise
models in addition to non-linear models. "This long-term relationship on GaN power
transistor modeling, now in its 8th year, has been an outstanding model of multi-company
collaboration under the Modelithics Vendor Partner (MVP) Program...
 Qorvo® (Nasdaq:QRVO), a leading provider
of innovative RF solutions that connect the world, today unveiled a family of
high efficiency power amplifiers (PAs) designed for 5G small cell infrastructure
applications. These new PAs help small cell base station OEMs deploy 5G networks
and services in densely populated, urban indoor and outdoor areas. Qorvo's new family
of high efficiency PAs offers customers high power-added efficiency (PAE), greater
than 30% in most cases, and covers major sub-7 GHz 3GPP frequency bands. These
devices are designed to handle true 5G New Radio (NR) signal bandwidths of up to
200 MHz with dynamic spectrum sharing (DSS) in a small, 50 Ω-matched,
5 mm x 5 mm SMT package. Qorvo's extensive global manufacturing capabilities
and high-volume production support the ongoing global deployment of 5G...
 Signal Hound, a developer of highly optimized
solutions for RF signal test and measurement, has announced the
SM435B 43.5 GHz
RF spectrum analyzer and monitoring receiver. This new product indicates the
company's entry into millimeter-wave spectrum analysis. With broad application ranging
from 5G cellular, to military, aerospace, and a host of other uses, this next-level
production unit expands the company's reach into this next tier of the market. "We
have taken a big step in the development of the SM435B," said Bruce Devine, CEO
at Signal Hound. "Investment into 50 GHz test equipment, refining layout and
design at a higher millimeter wave frequency, and stepping up our PCB technology
were all part of bringing this unique product to our market segment...
 Sam Benzacar of Anatech Electronics, an RF
and microwave filter company, has published his May 2021 newsletter that features
his short op-ed entitled "More Interference to Come – in Vehicles," where he discusses
the increasingly hostile electromagnetic environment present in and around cars
and trucks as wireless electronics gains an ever increasing presence. Says Sam,
"This problem will only worsen with the 'digitalization' of vehicles that, in the
not-too-distant future, will make them rolling IoT platforms." I like that rolling
IoT platforms comment. Fortunately, the art and science of RF filter design and
manufacturing is advancing to enable coexistence of multiple platforms - at least
for now - and Anatech is at the front line of the battle. Sam also presents some
relevant industry news items as well.
 Signal Hound, a manufacturer of highly-optimized
solutions for RF test and measurement equipment, announces the BB60D - a much anticipated
6 GHz
real-time spectrum analyzer with significant performance improvements as compared
to the highly regarded industry favorite BB60C. The new BB60D has a fully integrated
preselector covering 130 MHz to 6 GHz, 10 dB more dynamic range,
and 10 dB better phase noise from 100 Hz to 10 kHz offsets. With
selectable IF bandwidth from 27 MHz down to 4 kHz, 24 GHz/sec sweep
speeds, and exceptionally clean spurious responses, the BB60D fits in your hand
for accurate, clean, and fast RF analysis on the go...
 Passion Radio Shop proprietor Alexandre wrote
to request that I post a notice here on RF Cafe regarding their Amateur Radio equipment
supply service. Based in Paris, France, Passion Radio Shop is able to provide worldwide
shipping on products. I suppose the company name including the word "Passion" is
apropos for a company located in "The City of Love,"
and a company run by Hams radio enthusiasts for Ham radio enthusiasts. Transceivers,
antennas, cables, connectors, test equipment, and many other items are available
for immediate shipment. Please take a little time to visit Passion Radio Supply.
I have no affiliation with them, but provide this as a service to both them and
RF Cafe visitors.
 Ceramic PCBs are the printed circuit boards
using ceramic as the substrate.
PCBONLINE provides alumina
PCB, aluminum nitride PCB, COB LED (chip on board), DOB LED (drive on board), 3D
aluminum products, etc. These types of circuit boards are used for high-power electronic
modules, automotive electronics, aerospace, military electronics, high-power LED
lighting products, etc. Compared with the normal FR4 and metal core PCBs, ceramic
PCBs have these advantageous characteristics： Stable shape warping and low expansion
coefficient | Large current carrying capacity and good insulation performance |
Higher thermal conductivity and lower thermal resistance | Stable high-frequency
performance and lower AK and DK values | Have good insulation and can achieve a
better conductivity and insulation effect...
 Planar Monolithic Industries (PMI) introduces
six new products for June in their extensive line of
RF and microwave components.
Included are a 1.0 to 2.0 GHz limiter, a 1.0 to 12.0 GHz threshold detector, a 50
MHz to 4.0 GHz, SP32T absorptive switch, an 8.0 to 22.0 GHz highpass filter, a 0.5
to 18.0 GHz frequency divider, and an 18.0 to 40.0 GHz bi-phase modulator. Contact
PMI today for more information...
 Mark it on your calendar! On Wednesday, June
30th at 1:00 PM EDT, Berkeley Nucleonics will be hosting a live webinar that will
dive into the immersive world of
High-Performance Arbitrary Waveform Generators. Admission is free. Arbitrary
waveform generators (AWG's) are built to handle the most complex experiments and
innovative applications, from advanced research, RF-Wireless to quantum computing.
Join Edgar Guzman with Berkeley Nucleonics and Stefano Parma with Active Technologies
to discuss AWG's and their role in the electrifying advancements in waveform development
and signal generation. The High-Performance Arbitrary Waveform Generator that will
be demonstrated is the Model 685 from Berkeley Nucleonics, which offers some of
the most exciting advancement...
 Qorvo, a leading provider of innovative RF
solutions that connect the world, is now shipping the world's first commercially
available family of
electronically reconfigurable dual-band (S- and X-band) GaN power amplifiers.
These patented PAs support a revolutionary shift in radar architecture for defense,
weather and commercial avionics. The QPA0007 and QPA0004 are the first commercially
available GaN PAs that can be rapidly reconfigured for operation between S- and
X-bands. This enables a single radar platform to be used across multiple applications,
offering precise long-range and short-range capabilities. This eliminates the need
for independent systems, saving size, weight, power and cost (SWaP-C). Now designers
can dramatically reduce the BOM and footprint by as much as 50% while improving
overall performance. The QPA0007 and QPA0004 are available in surface mount technology
(SMT) packaging and offer higher saturated power...
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