IN MY OPINION
Two Sides of the DoD Coin: Budgets Slashed, UAV Market Soars

By Fred Ortiz, President
dB Control


As we embark on a new year, imminent cuts to the U.S. Department of Defense (DoD) budget are top of mind for those of us in the military electronics market. At a recent House Armed Services Committee hearing, the nation’s military chiefs cited a $600 billion defense cut as “catastrophic to the military” and having a “severe and irreversible impact.”

Read More...
FROM WHERE WE SIT

By Bob Pinato, Owner, ICCS, LLC.

LightSquared:
The Show’s Over
…Or Should Be
By Barry Manz

There are a lot of very technically astute people at the Federal Communications Commission. Many have decades of experience at every level of RF and microwave technology. How then might LightSquared’s proposal for a satellite/terrestrial LTE network have ever gotten past its first hurdle? Even a cursory inspection of the plan, in which the company's network would operate extremely close to GPS frequencies at L-band, makes interference to GPS devices almost a certainty. Read More...


CURRENT ISSUE PRODUCTS


Parallel Gap Welder
Model SMAPRO180 parallel gap welding machine can weld gold and silver ribbons as well as enameled wires without additional coating layer stripping steps. It eliminates the expensive and difficult stripping process and results in more reliable joints.

SW Tech Equipment

Signal and Spectrum Analyzer
The R&S FSW signal and spectrum analyzer comes in three models that cover the frequency ranges from 2 kHz to 8 GHz, 13 GHz and 26.5 GHz. The analyzer outperforms all other high-end instruments on the market, with phase noise values that are up to 10 dB lower.

Rohde & Schwarz

Externally Biased Balanced Mixer
Model SFB-15-N2 is a V-band, externally biased balanced mixer. The mixer employs high performance GaAs Schottky beamlead diodes, balanced configuration and proprietary bias circuitry to produce superior RF performance with very LO pumping level.
Sage Millimeter

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June 2011

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M-Series and H-Series Power Combiner/Dividers

The M-Series (75W) and H-Series (pictured above, 80 & 100W) Wilkinson high power combiner/dividers are available in 2-way through 8-way (M-Series – N and SMA) and 2-way through 4-way (H-Series – N and 7/16 DIN) configurations for wireless applications between 0.400 to 2.200 GHz. Features include high isolation (25 dB), VSWR of 1.15:1, and low insertion loss (less than 0.3 dB).
MECA ELECTRONICS
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VCO for Digital Radio Equipment, Fixed Wireless Access, Satellite Communications and Base Stations

Model CVCO55CC-0827-0840 is a VCO that operates from 827 to 840 MHz with a control voltage range of 0.2~4.7V. It features a typical phase noise of -124 dBc/Hz @ 10 KHz offset and has excellent linearity. Output power is typically -6.5 dBm. The unit comes in the industry-standard 0.5 x 0.5" SMD package.
Crystek Corporation
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Aluminum Diamond Heat Spreader for GaN Devices
With exceptionally high thermal conductivity, these aluminum diamond metal matrix composites (MMCs) can reduce GaN device junction temperatures by 25%. Their coefficient of thermal expansion is close to that of SiC and they are the first such MMCs to be cost-effective as thermal heat spreaders and available in large quantities.
NANO MATERIALS INTERNATIONAL
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SMPM Compatible Feedthroughs
Aluminum laser weldable 50 ohm SMPM compatible feedthroughs feature an exclusive Press-In flange knurl designed to align the feedthrough and maintain its position during welding. Benefits include ease of installation, improved RF performance, and stability.
SRI Hermetics
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Low Profile RF Micro Coaxial Connectors
The JSC series, said to be the world’s lowest profile RF micro coaxial connector series, has a maximum profile of 1.0mm, making it ideal for high-tech wireless products – tablets, smart phones, e-books and other mobile devices.
Murata Electronics NA
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Limiter
Model VLM-63-2W+ is a wideband (30 to 6000 MHz) limiter ideal for military and hi-rel applications. Features include low insertion loss, 0.4 dB typ.; fast recovery time, 5 nsec typ.; excellent VSWR, 1.05:1 typ.; and low leakage power, 11.5 dBm typ.
Mini-Circuits
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Ultra-Broadband Conical Inductors
These new conical inductors respond to market demand for more standard and custom conical design options for microwave applications. The “C” series includes standard flying lead and SMT designs with up to 150W power capability, excellent co-planarity, robust construction, and typical operation from 40 MHz to 40 GHz.
Gowanda Electronics
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Power-Efficient 16-Bit DAC
Said to be the industry’s most power-efficient 4-channel, 16-bit DAC (digital-to-analog converter) at 1.25 GSPS, the DAC3484 is 25% faster than the next fastest quad DAC while consuming as little as 250 mW per channel – 65% less than the closest competitor.
Texas Instruments
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Optical Polishing Pitch

A full line of contaminant-free pitch for optical lapping polishing that is ready to use without screening, filtering, or mixing additives is now available. Gugolz Polishing Pitch is made from all-natural wood resin rather than petroleum by-products.
Meller Optics
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LMR-SW Interconnect Product Line
The newest LMR interconnect offering, LMR-SW, includes low loss, seamless 50 ohm cable, field installable Type N and 7-16 DIN connectors, along with tools to install the connectors and all required installation accessories. Ideal for cellular, military, and other applications.
Times Microwave
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Broadband High Power SP4T Switch
Model RF1604, a broadband high power SP4T switch, features 2 kV HBM ESD protection on all ports, low frequency to 2.7 GHz operation, low insertion loss (0.4 dB at 1 GHz), very high isolation (40 dB at 1 GHz), and a compact package (QFN, 12-pin, 2.5 x 2.5mm).
RFMD
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Smaller Hybrid Coupler
The CA-88 series of hybrid couplers, with either N or DIN connectors, covers all the common bands between 698 and 2700 MHz with 25 dB isolation between inputs and low PIM <150 dBc. It has been designed to meet the special smaller size needs of the wireless market.
Microlab
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Low Phase Noise VCO

Model CRO2211B-LF in S-band is a voltage controlled oscillator (VCO) that operates at 2184 to 2238 MHz with a tuning voltage range of 0.5 to 4.5V. It features a typical phase noise of -110 dBc/Hz @ 10 KHz offset and a typical tuning sensitivity of 22 MHz/V. RoHS compliant.
Z-Communications
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Four New High-Linearity Products
Four low-noise amplifiers (LNAs) feature high linearity that improves an application’s ability to distinguish between desired signals and spurious signals received close together. Two are meant for WiFi and WiMAX data cards, handsets, etc., while the other two minimize component count for cellular infrastructure applications.
Avago Technologies
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Bessel Lowpass Filters
New 4th order tubular Bessel lowpass filters boast 3 dB cutoffs from 1 to 22 GHz. These filters should be regarded as compromise designs for pulsed systems where truthful reproduction of the pulse shape is important. Temperature range is -55ºC to +85ºC.
RLC Electronics
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MILITARY MICROWAVE DIGEST

September 2011

MMD September 2011

Previous issues click here

Click here for Military Products
WHITE PAPERS

Switch Solutions for Systems with Low PIM Requirements
Dow-Key Microwave has invested in R&D for new RF switch products designed specifically to reduce intermodulation (IM) in coaxial switches.
Dow-Key Microwave

How to Specify RF and Microwave Filters
Covers cavity, ceramic, LC, crystal and helical filters.
Anatech Electronics

Establishing An RF Safety Program
Topics include basic RF safety, standards, monitoring instruments, performing an emitter inventory, and the steps required to create a program.
Narda Safety Test Solutions

Mounting Considerations for Medium Power Surface-Mount RF Devices
Covers all factors that must be considered when mounting SMT devices.
TriQuint Semiconductor

Biasing MMIC Amplifiers
How to bias MMICs along with theory and techniques.
Mini-Circuits


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