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14 Jul

Ham Radio Magazine April 1977

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Every weekend there are particular event stations on the air, depending what

they are representing galore are on the air for longer than just the week-end!

With all the new Ham Operators that are getting their license, Special Event

Stations are a good way to get their feet wet operating, and likewise good

experience. Ham operators that have had their license for a heap of time recognise

that it is a lot of fun, they get to talk to humans they normally do not talk

to. They in all likelihood even learn a little history or facts that they did not

know before.

Special Event Stations will send you either a card or something ordinarily on

an 8×10 piece of paper that says you have made contact with them on frequency

xxx.xxx, on date mm/dd/yyyy, and at what time and it may also include galore

other verbiage. To get this (it documents your connection) you ought to send

them your QSL card or something with your information, and a self addressed

stamped envelope.

Like I said before, this is very good experience for the new Ham. Some

stations run on multiple frequencies and modes of operation. They publish

in various Amateur Radio magazines a little block of a frequency that they

will operate on and what mode they will operate. One of the reasons that

they say someplace in this range is that they may have to move up or down a

couple of KHZ to stay clear from another station, noise, or a net that may be on that

or nearby frequency. Some of the Special Event Stations publish various

different frequencies such as 10, 20, 40, 70/80 meters along with the blocks

of KHZ that the Special Event Station will operate in. The modes may be

upper sideband, lower sideband, or numerous digital mode. Some have even been

known to operate RTTY and Morse Code!

Amateur Radio Operators have employed their contact with these Special Event

Stations for years to hone their radio operating skills. With the flood of

new Amateur Radio Operators coming into this hobby, contact with these

stations will give them a chance to operate on dissimilar frequencies, as

well as experience operating in dissimilar modes on their new radios.


Ham Radio Magazine April 1977

The extreme handbook on microwave circuit design with CAD. Full of tips and perceptivenesses from seasoned industry veterans, Microwave Circuit Design offers practical, proven counsel on bettering the design quality of microwave passive and active circuits-while cutting costs and time. Covering all levels of microwave circuit design from the elementary to the very advanced, the book systematically presents computer-aided methods for linear and nonlinear designs used in the design and formulate of microwave amplifiers, oscillators, and mixers. Using the most recent CAD tools, the book shows how to design transistor and diode circuits, and also details CAD’s usefulness in microwave integrated circuit (MIC) and monolithic microwave integrated circuit (MMIC) technology. Applications of nonlinear SPICE programs, now available for microwave CAD, are described. State-of-the-art coverage includes microwave transistors (HEMTs, MODFETs, MESFETs, HBTs, and more), high-power amplifier design, oscillator design including feedback topologies, phase noise and examples, and more. The proficiencies staged are illustrated with various MMIC designs, including a wideband amplifier, a low-noise amplifier, and an MMIC mixer. This unique, one-stop handbook also features a major case study of an actual anticollision radar transceiver, which is equated in detail versus CAD predictions; examples of actual circuit designs with photographs of finished circuits; and tables of design formulae.

Review”I would like to have this book for my graduate study…the book is unquestionably for graduate students or practicing engineers.” (IEEE Circuits & Devices Magazine, September/October 2006)

From the Back CoverThe uttermost handbook on microwave circuit design with CAD… Full of tips and perceptivenesses from seasoned industry veterans, Microwave Circuit Design offers practical, proven counsel on bettering the design quality of microwave passive and active circuits—while cutting costs and time. Covering all levels of microwave circuit design from the elementary to the very advanced, the book systematically presents computer-aided methods for linear and nonlinear designs employed in the design and construct of microwave amplifiers, oscillators, and mixers. Using the most recent CAD tools, the book shows how to design transistor and diode circuits, and also details CAD’s usefulness in microwave integrated circuit (MIC) and monolithic microwave integrated circuit (MMIC) technology. Applications of nonlinear SPICE programs, now available for microwave CAD, are described. State-of-the-art coverage includes microwave transistors (HEMTs, MODFETs, MESFETs, HBTs, and more), high-power amplifier design, oscillator design including feedback topologies, phase noise and examples, and more. The proficiencies staged are illustrated with assorted MMIC designs, including a wideband amplifier, a low-noise amplifier, and an MMIC mixer. This unique, one-stop handbook likewise features a major case study of an actual anticollision radar transceiver, which is equated in detail versus CAD predictions; examples of actual circuit designs with photographs of finished circuits; and tables of design formulae.

About the AuthorGEORGE D. VENDELIN is a technical advisor with 30 years of microwave technology experience with, among other firms, Texas Instruments and Avantek. He is the author of Design of Amplifiers and Oscillators by the S-Parameter Method. ANTHONY M. PAVIO is Technical Director of the Microwave Technology Products Division of Texas Instruments. ULRICH L. ROHDE is President of Compact Software and a collaborator of Rohde & Schwarz, a firm specializing in test instrumentation and innovative communications systems.

Ham Radio Magazine April 1977

Ham Radio Magazine April 1977 Pic

Ham Radio Magazine April 1977

Ham Radio Magazine April 1977 Image

Ham Radio Magazine April 1977

Ham Radio Magazine April 1977 Pic

Ham Radio Magazine April 1977

Ham Radio Magazine April 1977 Image


Most helpful client reviews

4 of 5 humans found the following review helpful.
5All you need is this book!
By Lambros Dermentzoglou
Undoubtedly, Microwave Circuit Design is a book of outstanding aid for any person who is directly involved on the high frequency design industry. Containing all you need to know, from basic parameters and conceptions to real design tips, Microwave Circuit Design is a book you cannot ignore. Its contents include all the basic transceiver building blocks, for front end and IF stage design.

0 of 1 persons found the following review helpful.
5Vendelin, Pavio & Rohde — Accept no substitutes!
By Mark W. Ingalls
We employed this book as well as Dr. Maas’s in graduate school. I own both, but through the years this is the more well-thumbed of the two.

I think this volume is more oriented toward the circuit designer, while Maas is purposed more toward underlying engineering analysis… but who actually needs to worry regarding arcane non-linear analysis, e.g. Volterra series analysis these days, anyhow?

I’d get both if you can, but if not this is *the one*.

See all 2 client reviews…

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