Ask Harlan: Question of the Month - April 2006
Published April 6, 2006
In an effort to better combine the editorial content of our magazine with our newly developed and retooled on-line presence, we have decided to expand Harlan's RF and microwave engineering advice into a monthly feature that appears in Microwave Journal.
Harlan has selected one question from his "Ask Harlan" column to be featured in the April issue. Harlan will be monitoring the responses and will ultimately choose the best answer to the question. Although all of the responses to the featured question will be posted on our web site, we plan to publish the winning answer in the May issue.
You be the expert: Please take a few moments and provide an answer to this month's featured question. Good luck and we look forward to reviewing your answer.
All responses must be submitted by May 5, 2006, to be eligible for the participation of the April question.
Renuka Wekhande from RF Arrays Systems India Pvt. Ltd. has submitted this month's question:
1. What are the various parasitics that should be considered when designing a monolithic microwave integrated circuit (MMIC) for standard quad flat no-lead (QFN) packages?
2. What are the advantages of using a gallium arsenide (GaAs) heterojunction bipolar transistor (HBT) over a pseudomorphic high electron mobility transistor (PHEMT)?
The winning response will win a free book from Artech House, along with an "I Asked Harlan!" t-shirt. In addition, everyone who submits a legitimate response will be sent an "I Asked Harlan!" t-shirt.
If your response is selected as the winner, you'll receive a free book of your choice from Artech House. Visit the Artech House on-line bookstore at www.artechhouse.com for details on hundreds of professional-level books in microwave engineering and related areas (maximum prize retail value $150).
Disclaimers: Microwave Journal reserves the right to determine the legitimacy of all responses. The determination of the winning response is not based on any set criteria and is based only on the opinions of the editors of Microwave Journal.
Questions and answers submitted to Ask Harlan are collected for sole use by Microwave Journal and www.MWJournal.com. Names and company affiliations will be published with questions and answers that qualify according to our editorial policies. Email addresses are collected in case we need to contact you.
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