The answers to the Circuit Cellar 274 Engineering Quotient are now available. The problems and answers are listed below. Problem 1—What is wrong with the name “programmable unijunction transistor?” Answer 1—Unlike the original unijunction transistor—which really does have just a … Continue reading →

As head of the Computer Science and Software  Engineering department at Penn State Erie, The Behrend College, Chris Coulston is busy. But not too busy to surf the ‘Net for design inspiration. And one of his latest projects may earn … Continue reading →

Location: Menlo Park, CA Education: BS and MS, University of Utah Occupation: Software Developer Member Status: John has been a subscriber since 2002. Technical Interests: His interests include user interfaces for embedded systems, field-programmable gate array (FPGA) development, and embedded … Continue reading →

Clive “Max” Maxfield is an engineer who has written more than a half-dozen engineering books, contributes to several blogs, and enjoys learning and relating information to others. Max and I recently discussed his journey from hardware design engineer to prolific … Continue reading →

The answers to Circuit Cellar’s May electronics engineering crossword puzzle are now available.Across 1.            MOSIPROTOCOL—Adds a state indicating ownership [two words] 3.            SPECTROMETER—Measures wavelengths 8.            SHELL—Protects an operating system’s kernel 10.          CHARGE—Q 12.          ASSIGN—A FORTRAN control statement 13.          HALL—American physicist (1855–1938) … Continue reading →