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Electronics Theme Crossword Puzzle
January 15th, 2023

This custom made Electronics theme crossword puzzle for January 15th is provided compliments of RF Cafe. All RF Cafe crossword puzzles are custom made by me, Kirt Blattenberger, and have only words and clues related to RF, microwave, and mm-wave engineering, optics, mathematics, chemistry, physics, and other technical subjects. As always, this crossword puzzle contains no names of politicians, mountain ranges, exotic foods or plants, movie stars, or anything of the sort unless it/he/she is related to this puzzle's technology theme (e.g., Reginald Denny or the Tunguska event in Siberia). The technically inclined cruciverbalists amongst us will appreciate the effort. Enjoy!

Reproduction of this puzzle without the express permission of RF Cafe is prohibited.

acr. = acronym, abbr. = abbreviation, pl. = plural, wds. = words

Electronics Theme Crossword Puzzle for January 15th, 2023 - RF Cafe

2. The "E" in BER
6. Chemical symbol for helium
7. Unit of frequency (archaic, abbr.)
9. Direct Memory Access (abbr.)
12. Innovative Power Products, Holbrook, NY (abbr.)
15. Chemical symbol for antimony
16. Chemical symbol for scandium
18. ISDN BRI channel (abbr.)
20. Opposite of a LO
21. 1E6 nanoseconds
23. A BPF specification (abbr.)
24. Unit of inductance (abbr.)
25. Chemical symbol for silver
27. Akin to an EE, CE, AE, etc.
28. Stage in a receiver in which the modulation is recovered from the RF signal
31. Another word for a directional radiating device (2 wds.)
37. Dimension from wing LE to TE
38. The "D" in CD (pl.)
40. Chemical symbol for lanthanum
41. Compliment to a pole in a transfer function
43. Modern battlefield technique (abbr.)
44. Read-only (abbr.)
46. Chemical symbol for krypton
47. Chemical symbol for gadolinium
49. Chemical symbol for neon
51. Centimeter (abbr.)
53. One cutoff frequency specification for a bandpass filter
55. Amateur radio operator who is qualified to administer Amateur Radio licensing examinations (abbr.)
56. The highest level Amateur Radio license rating,The "E" in EHF
57. Chemical symbol for terbium
59. Unlicensed FCC Part 95 realm for personal and business radio use (abbr.)
61. The "A" in BAW
64. Front edge of a wing (abbr.)
65. The "O" in ROM
67. Degree of closeness of measurements of a quantity to that quantity's true value
70. Chemical symbol for californium
71. Chemical symbol for molybdenum
72. Chemical symbol for erbium
73. Finite Element Analysis (abbr.)
74. One type of electron spin
75. Chemical symbol for radon
76. Type of component package (abbr.)
77. Filter type that blocks lower frequencies (abbr.)
79. Radio signals from the cosmos (abbr.)
80. Chemical symbol for strontium
82. European equivalent to the U.L.
84. ________ _____ - Degrees of separation between two lines meeting at a common vertex (2 wds., abbr.)
85. Type of logic gate
86. Electromagnetic (abbr.)
87. Engineering Change Order (abbr.)
89. Chemical symbol for tantalum
90. One port of an amplifier
92. Semiconductor and calculator company (abbr.)
93. Type of interference to stations on nearby frequencies due to overmodulation
96. Type of data storage IC (abbr.)
97. Amateur radio abbreviation for the Oceania region (abbr.)
98. Met the specification requirements
102. Galilean moon
103. 1E6 nanoseconds
104. Wireless phone regions
105. Chemical symbol for thulium
106. Physical unit used to measure capacitance
107. Type of matrix barcode used with laser scanning(abbr.)
108. Morse Code for "from"
110. Chemical symbol for neodymium
111. Chemical symbol for platinum
113. Chemical symbol for thallium
114. Chemical symbol for mendelevium
116. Miniature threaded RF connector (pl.)
119. Cyanide (abbr.)
120. Unit of time (pl.)
123. International phonetic alphabet letter "A"
125. The "A" in ASIC
128. Component that only allows RF signal flow in one direction (pl.)
131. Type of current
132. Chemical symbol for ruthenium
133. Chemical symbol for lutetium
134. Electronics manufacturer with "meatball" logo
135. Word used in describing 2-D and 3-D object dimensions; i.e., 10 mm __ 25 mm
136. Chemical symbol for polonium
137. Time Division Multiple Access
140. Chemical symbol for tin
141. Unit of inductance (abbr.)
143. Powers pneumatic devices
145. Specialized mobile radio (abbr.)
146. 1.602E-19 Joules
147. A common battery cell size
148. Front end of a rocket (pl.)
1. Chemical symbol for nickel
3. International phonetic alphabet letter "R"
4. Unix, Linux or Windows (abbr.)
5. Chemical symbol for rubidium
6. High-speed circuit-switched data (abbr.)
8. Study for a test just before taking it
9. Ham abbreviation for "distant station"
10. Chemical symbol for mendelevium
11. Mechanical engineering organization (abbr.)
13. It can follow an MS
14. _____-wise linear
16. Miniature RF connector (pl.)
17. Part of CRC
19. Physicist after whom a law describing the direction of EMF and current resulting from induction is named
22. Code used for automating software task
23. Chemical symbol for francium
26. Immense star system
29. Code for a type of electrical wire insulation (abbr.)
30. Time delay (abbr.)
32. Airport Surveillance Radar (abbr.)
33. 1e-6 mA
34. After Uranus
35. Chemical symbol for argon
36. Web's most popular radio frequency engineering site (2 ltrs. + 1 wd.)
39. Logic gates to flip logic level
42. Switch position
44. Extracted information from a modulated signal
45. Type of logic gate
47. Projecting data points on an axis or axes
48. Type of data conversion device (abbr.)
50. ECM response
52. Unit of frequency (archaic, abbr.)
53. Unit of time (abbr.)
54. Spurious RF products created by metal joints (abbr.)
56. Polymer having the elastic properties of natural rubber
58. Filter type that blocks frequencies in a specified band (abbr.)
60. Word used in describing 2-D and 3-D object dimensions; i.e., 10 mm __ 25 mm
62. Number system which uses only the digits 0 to 7
63. Unit of capacitance (abbr.)
64. Mr. de Forest's first name
65. The UK's equivalent of the FCC
66. Chemical symbol for neon
68. Error checking scheme (abbr.)
69. Computer character set (abbr.)
77. Change out a plug-in module while power is still applied (2 wds.)
78. Period between radar transmitter's output waveform (abbr.)
81. Radio Amateurs of Canada (abbr.)
83. Apollo 11 astronaut Buzz ______
84. Apple's popular media playing device
88. Chemical symbol for cobalt
91. Type of logic gate
92. Chemical symbol for thallium
93. Chemical symbol for silicon
94. Modulation type (abbr.)
95. Engineering Change Notice (abbr.)
96. Existing in only 2 dimensions
99. Powerful mathematics software used by engineers
100. Chemical symbol for palladium
101. Equalizer (abbr.)
106. Unit of length (abbr.)
109. Chemical symbol for einsteinium
111. Greek letter often used to represent an angle
112. Device to assist in the performance of a chore (pl.)
114. Unit of admittance
115. Defense Advanced Research Projects Agency
117. 1/000 of an amp (abbr.)
118. Switch configuration (abbr.)
119. Unit of volume (abbr.)
121. Balun with both ports unbalanced
122. Greek letter, used to indicate summation
123. Chemical symbol for aluminum
124. Positively doped silicon
126. Smartphone display (abbr., pl.)
127. The Brits call it a valve
129. Chemical symbol for selenium
130. Semiconductor On Insulator (abbr.)
138. Unit of length (abbr.)
139. Chemical symbol for argon
141. Chemical symbol for manganese
142. Chemical symbol for holmium
144. Type of flip-flop

See solution below


2023 Crosswords Archive

Visit the Crossword Express website - RF CafeTake a well-deserved break and try your hand at some of these goodies. Every word in the RF Cafe crossword puzzles is specifically related to engineering, mathematics, and science. There are no generic backfill words like many other puzzles give you, so you'll never see a clue asking for the name of a movie star or a mountain on the Russia-China border.

All of these crossword puzzles were created using the fabulous Crossword Express (now called "Magnum Opus") software.

2024 | 2023 |2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 | 2007 | 2006 | 2005 | 2004 | 2003 | 2002 | 2001 | 2000 | Sudoku


A cruciverbalist is a person who is skilled at creating or solving crossword puzzles. The term is a combination of "cruci-" from "crucifix," meaning cross, and "verbalist" from "verbal," indicating a person who deals with words. cruciverbalists are often responsible for designing crossword puzzles, and they possess a deep knowledge of wordplay, vocabulary, and the techniques used in constructing and solving crosswords. They aim to make puzzles that are both challenging and enjoyable for crossword enthusiasts.

December 31

December 24

December 17

December 10

December 3

November 26

November 19

November 12

November 5

R-E Puzzler - August 1967 R-E

October 29

October 22

October 15

October 8

October 1

September 24

September 17

September 10

September 3


August 27

August 20

August 13

August 6

Electronic Numbers - May 1961 R-E

July 30

July 23

July 16

July 9

R-E Puzzler - Oct 1967 R-E

July 2

June 25

June 18

June 11

June 4

May 28

May 21

May 14

May 7


April 30

April 23

April 16

April 9 - Easter

R-E Puzzler - Jan 1967 R-E

April 2

March 26

March 19

March 12

March 5

February 26

February 19

February 12

February 5

January 29

January 22

January 15

January 8

January 1
















Electronics Theme Crossword Puzzle Solution for January 15th, 2023

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