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April 1969 Electronics World
Table of Contents
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April 1969 Electronics World
Table of Contents
Wax nostalgic about and learn from the history of early electronics. See articles
from
Electronics World, published May 1959
- December 1971. All copyrights hereby acknowledged.
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April 1969
Vol. 81, No. 4
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Ionospheric-Propagation Predictions, by H. Charles Wood |
27 |
| Importance of Filters,
by A. H. Seidman
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37 |
| LC Filters, by Stephen Rosenfield |
40 |
| Practical
Operating Limits for Filters |
44 |
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Filters for Microwaves, by Robert Felsenheld |
45 |
| R. F. Interference Filters,
by Benedict Rosen
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48 |
| Crystal Filters, by Robert L. Kent
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50 |
| Ceramic Filters,
by Reg Zimmerman |
53 |
| Beads Block Noise
|
55 |
| Mechanical
Filters, by Donovan A. Southworth |
56 |
| Active Filters,
by James L. Hogin |
58 |
| UJT
Monocycle Multivibrator |
61 |
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Mac's Service Shop: Keeping Abreast of Your Field, by John T. Frye |
62 |
| Tech-Themed Comic |
63 |
Posted December 8, 2017
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