The answers to Circuit Cellar’s April electronics engineering crossword puzzle are now available.
Across
1. BEAMFORMING—Signal processing technique
7. HETERODYNERECEIVER—Converts a signal to an intermediate frequency [two words]
8. AMIGA—A high-resolution PC based on Motorola’s 6800 microprocessor family
9. NAGLING—Creates “Russian doll”-type packets to improve a TCP/IP network’s performance
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10. SERVERBLADE—A thin circuit board designed for one specific application [two words]
15. FUZZING—Tests for coding and security errors
17. PHASECHANGE—Nonvolatile RAM [two words]
18. WALLEDGARDEN—Restricts access to Web content and services [two words]
19. SERIALBACKPACK—A PCB interface that goes between a parallel LCD and a microcontroller [two words]
20. SLACKWARE—Open-source, Linux-based OS
Down
2. ROOTMEANSQUARE—Determines an AC wave’s voltage [three words]
3. ROENTGEN—IBM’s active matrix LCD
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4. KERNELPANIC—Happens when a fatal error is detected [two words]
5. BIPHASEENCODING—Requires a state transition at the end of every data bit [two words]
6. PERMITTIVITY—Ability to be polarized
11. VOODOO—Helps create realistic 3-D graphics
12. FLANGING—An audio process that combines signals to create a comb filter effect
13. BREADBOARDING—Used for circuit design experimentation
14. STATOHM—Five of these equal approximately 4.5 × 1012 Ω
16. TELEDACTYL—Utilizes human speech to code
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