MWJ China MWJ China

RF & Microwave Industry News
RF & Microwave Industry News RSS Feed RSS

Coupled Triplets

A look at the trend toward using coupling between nonadjacent resonators to form finite attenuation peaks
February 1, 2000
Albert J. Klappenberger and William B. Lurie
0 Comments
Coupled Triplets Albert J. Klappenberger and William B. Lurie ALK Engineering Salisbury, MD As the state of the art in L-C filter design realization moves forward to satisfy the changing demands of today’s requirements, it appears that some of the more sophisticated techniques are giving way to older, less...
Read More

Integral Resistors in High Frequency Printed Wiring Boards

Integral resistors in the form of planar resistor technology in printed wiring boards that have become a tool of the circuit designer for addressing increasingly complex packaging demands
February 1, 2000
Bruce P. Mahler
0 Comments
Integral Resistors in High Frequency Printed Wiring Boards Bruce P. Mahler Ohmega Technologies Inc. Culver City, CA The growing need to eliminate discrete resistors is driven by design trends toward faster speeds, shorter trace lengths and smaller boards with higher component densities. Printed wiring boards (PWB) have become complex...
Read More

RF Receiver Requirements for 3G W-CDMA Mobile Equipment

Detailed specifications for a wideband CDMA (W-CDMA) receiver derived in terms recognizable by the RF designer
February 1, 2000
O.K. Jensen, T.E. Kolding, C.R. Iversen, S. Laursen, R.V. Reynisson, J.H. Mikkelsen, E. Pedersen, M.B. Jenner and T. Larsen
0 Comments
Technical Feature RF Receiver Requirements for 3G W-CDMA Mobile Equipment O.K. Jensen, T.E. Kolding, C.R. Iversen, S. Laursen, R.V. Reynisson, J.H. Mikkelsen, E. Pedersen, M.B. Jenner and T. Larsen Please click here to view the pdf file of the Technical Feature...
Read More

Around the Circuit

February 1, 2000
0 Comments
Around the Circuit INDUSTRY NEWS Radio-based solution and wireless telephony and data communication product manufacturer Allgon AB has acquired Wireless Solutions Sweden AB . Under the terms of the acquisition, the companies are expected to cooperatively develop products and services for third-generation systems for wireless communications, specifically EDGE and...
Read More

New Literature

February 1, 2000
0 Comments
New Literature Power Product Booklet This booklet, 10 Hints for Using Your Power Supply to Decrease Test Time , provides suggestions to help engineers speed up testing time by making the most of the company’s power products. Agilent Technologies Inc., a subsidiary of Hewlett-Packard Co., Palo Alto, CA (800)...
Read More

New Products - Components

February 1, 2000
0 Comments
Components Voltage-variable Attenuators The models AV109-73 and AV110-73 GaAs IC FET voltage-variable attenuators provide greater than 30 dB of relative attenuation range at 900 and 1900 MHz, respectively. Both voltage-variable attenuators feature good linearity performance with a linear transfer curve of 10 dB/V slope and input/output SWR of less...
Read More