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Industry News

Beyond the 1GHz Barrier with Thick-Film Ceramic

Using a ceramic multichip module to achieve high frequency performance beyond what is capable in a printed circuit board
Daniel I. Amey, Samuel J. Horwitz, Stephen Sekel, Jeff Powell and Brian Durwood
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Beyond the 1 GHz Barrier with Thick-film Ceramic Daniel I. Amey and Samuel J. Horowitz DuPont Electronic Materials Research Triangle Park, NC Stephen Sekel Tektronix Inc. Beaverton, OR Jeff Powell and Brian Durwood Maxtek Components Corp. Beaverton, OR Design challenges change at frequencies beyond 1 GHz. Circuits begin to...
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Appendix A: A PCB vs. MCM-c Comparison Matrix

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Appendix A: A PCB vs. MCM-c Comparison Matrix Problem Description PCB solution MCM-C solution Cost Final design must meet cost targets Reinforced BT epoxy or GETEK can meet high frequency performance requirements, but costs are higher than for conventional FR4 boards, heat sinks and special wire-bondable conductors add to...
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Around the Circuit

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Around the Circuit INDUSTRY NEWS Microwave multifunction module (MFM) manufacturer REMEC Inc. and microwave component and MFM provider Q-bit Corp. have signed a letter of intent to merge for common stock. The agreement is subject to satisfaction of customary conditions. In related news, REMEC has completed the sale of...
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New Literature

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New Literature Interconnect Product Brochure This four-page brochure (CompactFlash™ Interconnects for OEMs) describes the company's line of CompactFlash interconnect products for original equipment manufacturers (OEM). Technical drawings and ordering information are provided. Specifications are listed. 3M Electronic Products Division, Austin, TX (800) 328-0016, ext. 114. RF and Microwave Radio...
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COMPONENTS

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COMPONENTS Broadband, Low Video Transient Switches The models SWN-AKG-1DR-12-HS-LVT and SWN-AKG-1DR-12X-LVT SPST PIN diode switches cover the frequency band of 0.5 to 18 GHz and are available in either reflective or absorptive versions. Isolation is typically 100 dB at 0.5 GHz and 80 dB at 18 GHz. Switching speed...
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MATERIALS

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MATERIALS Waterproof Microwave Absorber The type MAC-6200 waterproof lowband flexible microwave absorber covers the band from 3 to 12 GHz with an attenuation of 12 dB or better. The absorber features standard panel dimensions of 36" x 72" and good flexibility with tear-resistant durable outer surfaces. Typical thickness is...
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PACKAGING

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PACKAGING High Frequency Alumina/Glass Sidewall Flatpack This high frequency alumina/glass sidewall flatpack now features two different grounding techniques to achieve higher frequencies. Base-to-seal-ring grounding straps are provided that reduce radiation effects generated at the top cover caused by extraneous coupling. In addition, the packaged base (circuit ground) is grounded...
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SYSTEMS

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SYSTEMS Digital Microwave Radios These QAM radios enable video, voice and data transmission across wireless point-to-point microwave communication links from 6 to 11 GHz and at data rates from 4DS1 to DS3. The radios are equipped with a small digital interface unit that fits into a single rack unit....
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AMPLIFIERS

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AMPLIFIERS Laboratory and Special-purpose Amplifiers These laboratory and special-purpose amplifiers offer variable and automatic gain control; input-limiting protection; rack and remote mounting; power supply integration with cooling fans; phased and amplitude matching or tracking between units; tower-top applications; and detector and temperature sensing outputs. The model ACAM-7910 laboratory power...
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ANTENNAS

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ANTENNAS DAB Omnidirectional Antenna The model GDVK 1400 digital audio broadcasting (DAB) vertical polarized omnidirectional antenna operates from 1452 to 1492 MHz and can be installed upright or upside down. The unit is available with down tilts in 2° steps and achieves a gain of more than 10.5 dBD,...
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