April 1969 Electronics World
Table of Contents

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.

April 1969

Vol. 81, No. 4

Ionospheric-Propagation Predictions, by H. Charles Wood	27
Importance of Filters, by A. H. Seidman	37
LC Filters, by Stephen Rosenfield	40
Practical Operating Limits for Filters	44
Filters for Microwaves, by Robert Felsenheld	45
R. F. Interference Filters, by Benedict Rosen	48
Crystal Filters, by Robert L. Kent	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
Mac's Service Shop: Keeping Abreast of Your Field, by John T. Frye	62
Tech-Themed Comic	63

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April 1969 Electronics WorldTable of Contents

April 1969 Electronics World
Table of Contents