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These all smell a little musty or smoky. I haven't typed all the small articles, columns or the reviews without schematics. July, 96 pages, 6 by 9 inches, bottom right corner bumped with some dog ears, couple smudges on front of mailing cover * How To Use Double-Balanced Mixers on 1296 MHz. Modern commercial UHF double-balanced mixer modules improve the performance of 1296-MHz converters. Paul Shuch * Universal Tone Encoder for VHF FM. A straight-forward tone encoder which provides both Touch-Tone signaling and tone-burst operation. Larry McDavid * Low Profile Three-Band Quad. The low profile quad offers several mechanical advantages over the usual three-band design. John P. Tyskewicz * Phase Modulation Principles and Techniques. When phase modulators are used in VHF FM systems, frequency-shaping circuits must be tailored for maximum intelligibility. Ian Hodgson * High Performance Sync Generator for Amateur Television. High performance television sync generator uses National MM5320 IC to provide all pulse signals needed for both black-and-white and color TV. Robert C. Wilson * Multiplexed Seven-Segment Readouts. Surplus calculator digital readouts may be easily adapted for other uses. E. R. Lamprecht * Low-Noise UHF Preamplifier and Converter. A simple, easy-to-build converter and low-noise preamplifier for the 450-MHz amateur band. Jerry Vogt (1975 jul amateur ham radio magazine shortwave technical was posted and is owned by: Jeannie Fitzgerald) |
J-fitzgerald@chicagopartsnetwork.com (Jeannie Fitzgerald) for more information.
