These all smell a little musty or smoky. Ham Radio Magazine, 1970, 6 by 9 inches July, 96 pages, rusting staples, no mailing cover, cover starting to brown, edges bumped * Inductively-Tuned High-Frequency Tank Circuit. A method for achieving high efficiency in the "shadow region" between 14 and 54 MHz. William I. Orr * Versatile Solid-State Receiver. The answer to many receiver problems: a circuit featuring high selectivity for CW, SSB, and RTTY. George W. Jones * Compact Frequency Counter. A solid-state instrument featuring direct numerical readout to eight digits with four readout tubes. Bert Kelley * Low-Drive Kilowatt Linear for Two Meters. The Eimac 5CX1500A Pentode in a Grounded-Cathode Amplifier Using Strip Line Construction. Irwin R. Wolfe * Computer Processing Slow-Scan Television Pictures. A discussion of computer techniques used to enhance the quality of slow-scan television pictures. Theodore J. Cohen * Solid-State RF Signal Generator. This instrument features automatic level control and narrowband FM sweep> J. A. Koehler * Temperature Alarms for High-Power Amplifiers. Some simple circuits to protect expensive components from overtemperature damage. John J. Schultz * SCR Regulated Power Supplies. W. E. Chapple * Microwave Hybrids and Couplers for Amateur Use. Circuits borrowed from the microwave domain have many uses at the lower frequencies-here are some applications. Henry S. Keen (please look at our rules and privacy policy) |
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