The answers to Circuit Cellar’s April electronics engineering crossword puzzle are now available.
Across
1. BITDENSITY—Bits per inch of magnetic tape, for example [two words]
3. KALMANFILTER—aka LQE [two words]
5. EMBEDDEDSECURITY—Circuit Cellar columnist Patrick Schaumont covers this topic with articles about authentication, encryption, and electronic signatures [two words]
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7. HAMMING—Error-correcting code
8. SPURIOUS—Unintentional
11. LAND—Electronics and Computer Engineering professor at Cornell University and Circuit Cellar frequent contributor (many of his students contribute to Circuit Cellar as well)
13. CLAPP—American inventor who developed an oscillator frequency standard
14. ELECTRODE—Able to interact with nonmetallic circuit parts
16. RINGOSCILLATOR—A feedback structure with an odd number of digital inverters [two words]
17. PLESIOCHRONOUS—A system that’s not quite in synch
18. OSCILLOGRAPH—Takes electric current measurements
19. REFLECTEDBINARYCODE—Created by Bell Labs physicist and researcher Frank Gray [three words]
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Down
2. DEADBAND—Potentiometer’s part shortened by a tap [two words]
4. BECHTOLSHEIM—Electronics engineer and co-founder of the company that created Java
6. CHIPBIOMETRICS—Digital fingerprints [two words]
9. INCANDESCENT—Illuminating
10. ALOHANET—Computer networking system from the 1970s
12. EEVBLOG—Where to find electronics engineer David L. Jones’s off-the-cuff online videos
15. EULERMETHOD—Solves equations [two words]
17. POPOV—Helped make electromagnetic radio waves more useful
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Circuit Cellar's editorial team comprises professional engineers, technical editors, and digital media specialists. You can reach the Editorial Department at editorial@circuitcellar.com, @circuitcellar, and facebook.com/circuitcellar
