Take a break and work this week's RF Engineering-themed crossword puzzle. All the words are pulled from a hand-built list of terms, names, and abbreviations that have only to do with science, mathematics, and engineering. If you want a crossword with names of movie stars and obscure countries, try the local newspaper. Reproduction of this puzzle without the express permission of RF Cafe is prohibited.
acr. = acronym, abbr. = abbreviation, pl. = plural, wds. = words 
1. _____ _____ Maxim, founder of the ARRL (2 wds.)
6. Type of current
8. BASIC looping keyword
10. Java server pages (abbr.)
12. Unit of atmospheric pressure (abbr.)
14. Automatic network analyzer (abbr.)
16. Erbium Doped Fiber Amplifier (abbr.)
18. Chemical symbol for holmium
19. Switch position
20. Light ray
21. Chemical symbol for silicon
23. Greek letter
24. 1E6 nanoseconds
25. Crystal surface
26. Coefficient of temperature (abbr.)
27. A disk operation
30. Type of high frequency circuit substrate (abbr.)
31. Indium phosphide
32. Abbreviation for minimum voltage
33. Enhanced Datarates for Global Evolution
35. Cause a circuit breaker to open
36. Chemical symbol for krypton
37. Amplifier linearity specification (abbr.)
38. Einstein's paradoxical traveler
39. Cause a voltage or current waveform to gradually die out
41. Unit of length (abbr.)
43. Circuit path with very high or infinite impedance
44. Type of component package (abbr.)
45. Radio frequency interference (abbr.)
46. Unit of length (abbr.)
47. Temperature-compensated crystal oscillator (abbr.)
48. Chemical symbol for neptunium
50. Type of flip-flop
51. Inventor of the pre-quantum atomic model
52. Rotate about the vertical axis
54. Silicon transistor type (abbr.)
55. Intermodulation distortion (abbr.)
56. Type of logic gate (pl.)
58. Logarithmic ratio (abbr.)
62. Extract information from a carrier signal | 1. 3 MHz to 30 MHz
2. PC follower
3. Permeability-tuned oscillator (abbr.)
4. __ + 7 Down, this website's title
5. Type of reconfigurable memory (abbr., pl.)
7. 4 Down + ____, this website's title
8. Type of modulation (abbr.)
9. Chemical symbol for radium
10. Intel x86 command for " jump if above"
11. Measure of ability of a receiver to detact weak signals
13. Chemical symbol for tantalum
15. Irradiated cosmic gas
17. The "IP" in IP2 and IP3 (2 wds.)
18. Amateur radio operators
22. The star Alpha Geminorum
28. Singulated piece of IC wafer
29. Elements of a scattering matrix (hyph.)
34. He developed a "counter" for measuring radiation levels
35. Time division duplex (abbr.)
40. Luminous atmospheric phenomenon
42. Miniature RF connector (pl.)
44. Alter the relations between the parts of a structure or shape by applying an external force
49. Glue together
51. Filter type that blocks frequencies below and above a specified band (abbr.)
52. Yard (abbr.)
53. Write-Once (abbr.)
54. Unit of time (abbr.)
57. Unit of length equal to 5.5 yards
59. Centimeter (abbr.)
60. Electrical safety organization (abbr.)
61. Chemical symbol for helium |
Reproduction of this puzzle without the express permission of RF Cafe is prohibited.
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