IN MY OPINION
Octagon Names Eileen Rocco Publisher of MPD /Microwave Product Digest
By Founder Doug Markhouse to Continue as President of Octagon Communications
In 1989, I was selling advertising space in the RF and microwave world. I had always had a desire to be my own boss and had a strong interest in starting my own publication in this field. There was no Tabloid-size publication and none were dedicated mainly to new products. Read More...
MILITARY MICROWAVE DIGEST


MMD March 2014

Previous issues click here


ON THE MARKET


Band Reject Filter Series
Higher frequency band reject (notch) filters are designed to operate over the frequency range of .01 to 28 GHz. These filters are characterized by having the reverse properties of band pass filters and are offered in multiple topologies. Available in compact sizes.
RLC Electronics


SP6T RF Switch
JSW6-33DR+ is a medium power reflective SP6T RF switch, with reflective short on output ports in the off condition. Made using Silicon-on-Insulator process, it has very high IP3, a built-in CMOS driver and negative voltage generator.
Mini-Circuits


Group Delay Equalized Bandpass Filter
Part number 2903 is a group delayed equalized elliptic type bandpass filter that has a typical 1 dB bandwidth of 94 MHz and a typical 60 dB bandwidth of 171 MHz. Insertion loss is <2 dB and group delay variation from 110 to 170 MHz is <3nsec.
KR Electronics


Absorptive Low Pass Filter
Model AF9350 is a UHF, low pass filter that covers the 10 to 500 MHz band and has an average power rating of 400W CW. It incurs a rejection of 45 dB minimum at the 750 to 3000 MHz band, and power rating of 25W CW from 501 to 5000 MHz.
Werlatone


LTE Band 14 Ceramic Duplexer
This high performance LTE ceramic duplexer was designed and built for use in public safety communication and commercial cellular applications. It operates in Band 14 and offers low insertion loss and high isolation to enable clear communications in the LTE network.
Networks International

See all products in this issue


  Saturday, August 01, 2015 - Featured Cover Products
 
  • The ADF5904 is a highly integrated, 4-channel, 24 GHz receiver downconverter MMIC with the industry’s best combination of low noise performance, high linearity and low power consumption. - more...

    ANALOG DEVICES, INC.
  • Peregrine Semiconductor offers the industry’s first RF switch operating at 0 Hz. The PE42020 SPDT integrates RF, analog and digital functions using patented UltraCMOS technology to provide coverage from 0 Hz to 8 GHz. - more...

    RFMW, LTD.

  • The C-FTRM is a tactical frequency and time reference module in a small 2.40 x 2.66” form factor. The module includes a 50-channel GPS receiver, low g-sensitivity 10 MHz double-oven crystal oscillator - more...

    TRAK MICROWAVE

  Feature Articles

The End of the Limiter as We Know It?
By Dr. Charles J. Trantanella and Paul Blount - Custom MMIC

The Design of Microwave GaN PA ICs
By Liam Devlin, Stuart Glynn, & Andy Dearn - Plextek RFI

Moving to GaN for Commercial Markets
By Tom Kole, Director of Business Development, RF & Microwave - MACOM

GaN: Surviving Harsh Environments and Living to Transmit About It
By Dr. Doug Reep, Senior Director of Research - Qorvo

Real-Time Record and Playback System Has 1 GHz Instantaneous Bandwidth
By Jim Taber, Director of Sales and Marketing, X-COM Systems

• To Everything There Is a Season…
By Karen Hoppe, Editor, Microwave Product Digest

Advertisement

  Featured in July On The Market.
xxx Vector Signal Generator
The VSG25A vector signal generator features a frequency range of 100 MHz to 2.5 GHz, output amplitude from -40 to +10 dBm, and 100 MHz of modulation bandwidth. It covers most telecom frequencies and two major ISM bands, at a cost that breaks price barriers.
SIGNAL HOUND
xxx Between-Series NMD Adapters
The RMAD.BS.NMDxx series is available in N18, 3.5mm, 2.92mm, 2.4mm and 1.85mm and has an operating frequency range of DC to 65 MHz. Typical insertion loss is 0.2 dB, VSWR is 1.15:1, and operating temperature range is 0 to +85ºC.
RESPONSE MICROWAVE
xxx Resistive Power Divider Series
Model series 151-215-XXX is a family of resistive power dividers in 2, 4, 6 and 8 way configurations. These 50 ohm, 1W average power devices have an operating frequency range of DC to 6 GHz. Maximum VSWR is 1.50:1 and the RF connectors are SMA female.
BROADWAVE TECHNOLOGIES
xxx TWT Amplifier
Model 187Ka TWT amplifier was designed to operate pulsed traveling wave tubes up to 200W peak power at frequencies in the 34 to 36 GHz range. Grid pulse performance provides flat topped RF pulses from 50 ns to 100 µs, up to 50% duty cycle, with rise and fall times of less than 15 ns, and PRF up to 100 kHz.
APPLIED SYSTEMS ENGINEERING
xxx Programmable PIN Diode Attenuator
Model DTA-2G18G-64-10B-SFF is a 10-bit programmable 64 dB PIN diode attenuator with a step resolution of 0.06 dB over the frequency range of 2.0 to 18.0 GHz. Insertion loss is 5.25 dB (max.), VSWR is 2:1, and it has a +15 Vdc power supply at 150mA maximum.
PLANAR MONOLITHICS IND.
   Industry News
NRAO and Mini-Circuits Forge New Partnership to Enable Commercial Development of Cascadable Absorptive RF Filters
RFMW Announces Two Appointments
The Next Generation Space Interconnect Standard (NGSIS)
DHS and NASA Show Off Radar FINDER System
Microwave Radiation Tasty Solution for Killing Pesty Snails?
Navy Launches UAV “Swarms”
FCC May Open Up Radar Bands for Cellular on Shared Basis
France Military Says Wind Turbines Are Threat to Security
Samsung, Apple Lead Smartphone Sales in First Quarter
U.S. Navy Leads All Governments for Patent Filings for Sixth Straight Year
FCC Offers %1.65 to Wireless Carriers for Rural Broadband Deployment
Sprint Inks Deal with Boingo for Wi-Fi Offload at Airports
   
Author's Note Regarding "Nonlinear Circuit Analysis in Time and Frequency Domain -- Example: The Forced Van-der-Pol Oscillator," MPD, April 2015
   White Papers

The Design of Ultra Narrowband Amplifiers Using Small-Signal Varactor Upconverters
This paper presents a method of realizing tunable microwave amplifiers with ultra narrow bandwidths that can be less than 0.5% by the use of a varactor up-converter (UC).
Planar Monolithics

Directivity and VSWR Measurements
Return loss and VSWR measurements are complicated by the finite performance of the directional device used to measure the reflected power. The only accurate and convenient way to make return loss measurements is with a well matched high directivity directional coupler or bridge.
Marki Microwave

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

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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FROM WHERE WE SIT

Uncertain Times for DefenseWill OpenRFM Shake Up the Microwave Industry?
By Barry Manz

Throughout the history of the RF and microwave industry there has never been a form factor standardizing the electromechanical, software, control plane, and thermal interfaces used by integrated microwave assemblies (IMAs) employed in defense systems. Rather, every system has been built to meet the requirements of a specific system, which may be but probably isn’t compatible with any other system. It’s simply the way the industry has always responded to requests from subcontractors that in turn must meet the physical, electrical, and RF requirements of prime contractors. Read More...


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