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RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while typing up your telephone line, and a nice lady's voice announced "You've Got Mail" when a new message arrived...

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February 1953 QST
Table of Contents

February 1953 QST

Table of Contents

Wax nostalgic about and learn from the history of early electronics. See articles from QST, published December 1915 - present (visit ARRL for info). All copyrights hereby acknowledged.

Visit the ARRL website today for a complete digital archive of QST and their other publications.

February 1953

Vol. XXXVII, Number 2

The Clapp Oscillator - and How!, by Rex Cassey	19
Mechanical Bandpass Filters for I.F. Ranges An Approach to the Ideal Selectivity Curve, by Ben Roberts	22
Practical Adjustment of the Gamma Match, by Warren H. Davis	32
Magnetic Ceramics: Ferrites The Latest in Magnetic Materials for R.F., by F. E. Vinal, W1GXJ	44

Posted May 7, 2015

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February 1953 QSTTable of Contents

February 1953 QST
Table of Contents