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About RF Cafe
1996 - 2016
BSEE - KB3UON
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 Internet was still largely an unknown entity at the time and not much was available in the form of WYSIWYG ...
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|October 1952 Radio & Television News|
[Table of Contents]
These articles are scanned and OCRed from old editions of the Radio & Television News magazine. Here is a list of the Radio & Television News articles I have already posted. All copyrights are hereby acknowledged.
Ryan Aeronautical Company was founded in 1934, and became part of Teledyne in 1969, eventually being owned Northrop Grumman in 1999. Ryan, which produced many airplanes and drones, was perhaps most famous for building the Spirit of St. Louis (Ryan NYP) used by Charles Lindbergh on his historic transatlantic flight. Ryan also dabbled in jet engines and electronics. The 'packaged radar' concept described in this 1952 article was the precursor to modular circuit assembly commonly used in military systems to facilitate rapid field repair.
By William Wagner
Ryan Aeronautical Company
Flying radar stations for use in extremely advanced-type aircraft are being built experimentally at Ryan Aeronautical Company in "packages" so small they could almost fit into a briefcase or handbag.
The flying radar station consists of an "intelligence" head, electronic circuitry, and a power supply which provides the various voltages required. Tubes, resistors, and coils no larger than a fingernail, a paper clip, or a key are packaged amidst an intricate maze of wiring, some strands of which are as small as 3/1000th of an inch. The cylinder housing the brain is likely to be less than a foot in diameter and perhaps two feet long.
The "brain" contains the transmitter and receiver. The information reflected back to the unit is received by a midget equivalent of the "dish" style antenna of larger radar installations. The information thus received is channeled to two locations - the "brain" to determine the navigation required, and the aircraft controls for making the necessary flight adjustments.
The problems involved in producing such equipment include not only all of the problems inherent in miniaturization but also problems encountered because of the extremes of temperature at which the equipment is to operate and those which arise because of the vibration and shock to which the gear is subjected.
The time-consuming and painstaking procedures necessary to develop this equipment have been worked out satisfactorily and "packaged radar" is now a reality.
Posted November 15, 2016