| Investigation of Semiconductor Charge Devices. Part II. |
OCT 1973 |
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| Authors:
D. D. Buss; W. H. Bailey; TEXAS INSTRUMENTS INC DALLAS
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 | The report details the design, fabrication, and testing of the breadboard model of a binary spread-spectrum receiver. The objective of this portion of the program was to prove out the theoretical analysis reported in Part I of this Final Report. (Author) |
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| Some Applications of Hybrid Thick Film Technology. |
12 SEP 1973 |
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| Authors:
James L. Alford; Donald G. Jackson; ALEPH INC GARLAND TX
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| Hybrid thick film technology from its inception provided a capability that cannot currently be duplicated by any other solid-state active device process. This program explored the utilization of this technology by breadboarding various versions of low-power communications devices. It was established that the technology is capable of producing high yield, reasonable cost equipment of extremely miniature size, high efficiency and low power consumption. The potential applications explored were not all ... |
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| Low-Angle Target Tracking. |
JUL 1973 |
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| Authors:
R. VanDeusen; W. Steckenreiter; EATON CORP DEER PARK NY AIL DIV
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| This report describes an experiment that was performed to evaluate a new low-angle tracking (LAT) radar technique which uses array antenna technology. The process enables the radar to track targets in elevation in the low-angle region between one beamwidth and the horizon. The technique uses the array facility to form two beams, and a two-channel receiver system which forms the ratio of the signals from each beam. By design this ... |
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| Design and Development of a Free-Displacer/Thermal Compressor Cryogenic Refrigeration System. |
JUL 1973 |
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| Authors:
Barry Cohen; Alexander Daniels; PHILIPS LABS BRIARCLIFF MANOR NY
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| The program described in this report involved analysis, design and testing of a split-type, Vuilleumier cryogenic refrigerator capable of producing 2.0 watts at 77 K. The objective of the contract specifications was to arrive at a lightweight, self-running, silent refrigerator capable of being integrated into infrared imaging systems. Both analytical and experimental results showed taht the goals set for the cold side of the system i.e., the expander, could be ... |
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| Radio Set AN/URC-78 (XE-2)/V. |
MAR 1973 |
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| Authors:
Charles T. Shelton; Craig L. Whitman; RCA COMMUNICATIONS SYSTEMS DIV CAMDEN N J
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| The program encompasses the development of an ultra reliable, lightweight, manpack receiver/transmitter. The report describes the redesign for the advanced development models of the receiver/transmitter, and the fabrication of the brassboard models of the Vehicular Applique and power amplifier. It also describes progress in fabrication of the brassboard model of the vehicular antenna coupler and circuit development work on the aircraft applique. |
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| AN/URC-78(XE-1)/V Ultra-Reliable Lightweight VHF-FM Radio System. |
NOV 1972 |
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| Authors:
D. E. Kammer; G. R. Stump; AVCO CORP CINCINNATI OHIO ELECTRONICS DIV
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| The major effort was in design finalization of the exploratory model system based on the results of breadboard circuit evaluation and testing. PC card layout for the R-T was nearly completed and many designs have been fabricated prior to parts assembly. PC cards fabricated and/or assembled are the power supply, RF tuner, synthesizer and frequency control, power amplifier and harmonic filter, and the RF network and detector cards. The mechanical ... |
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| AN/URC-78(XE-1)/V Ultra-Reliable Lightweight VHF-FM Radio System. |
MAR 1972 |
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| Authors:
D. E. Kammer; G. R. Stump; AVCO CORP CINCINNATI OHIO ELECTRONICS DIV
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| The effort was directed toward continuation of breadboard verification of those concepts not yet idealized and conversion of firm breadboard circuit concepts to hybrid configuration for exploratory model packaging. The R-T unit basic circuit concepts are considered firm and verified by experimental data in most areas. More definitive data is given for the various system configurations which add significantly to the credibility of the system. |
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| 500 MHz Analog-to-Digital Converter Development Program |
MAR 1972 |
58 pages |
| Authors:
HUGHES AIRCRAFT CO CULVER CITY CA AEROSPACE GROUPS
|
 | The results of a high-speed Analog-to-Digital Converter (ADC) development program are described in this report. The report is divided into four sections as outlined below: 1. In the first section, Program Description and Results, a brief program description, the important conclusions, and results of the study are provided. 2. In the second section, Technical Discussion, the basic principle of ADC operation, terminology, basic components, and ADC configurations are described. A ... |
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| Test and Development of Flight Control Actuation System Components for Military Aircraft |
FEB 1972 |
232 pages |
| Authors:
Sanford M. Goldstein; Harry W. Schreadley; Dale G. Bazill; HYDRAULIC RESEARCH AND MFG CO VALENCIA CA
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| Test and development activities were conducted in the following nine areas: (1) Evaluation of a breadboard multiplexing system driving a fly-by-wire actuator; (2) Evaluate actuation system of six-degree of freedom motion base; (3) Evaluation of general purpose actuator test stand;; (4) Various design concepts were explored for the improvement of branch isolation techniques; (5) Evaluation of a Vickers Inc. integrated servopump actuator package; (6) Investigation of limit cycle characteristics of ... |
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| AN/URC-78(XE-1)/V Ultra-Reliable Lightweight VHF-FM Radio System. |
DEC 1971 |
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| Authors:
D. E. Kammer; G. R. Stump; AVCO CORP CINCINNATI OHIO ELECTRONICS DIV
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| The primary effort was in the area of breadboard work to evaluate the performance of the various circuits and technical approaches. The experimental work described represents considerable progress on frequency control and display systems, with the construction and test of a complete working model. Circuits and performance data are given for the most significant breadboard accomplishments during this interval. Interface design information is also given for the airborne and vehicular ... |
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| Evaluation of a Fly-by-Wire System, |
1968 |
37 pages |
| Authors:
V. C. Sethre; DOUGLAS AIRCRAFT CO LONG BEACH CA
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| The design of a Fly-By-Wire system is described which is based on applications of active redundancy and electrical feedback techniques. The replacement of mechanical flight control systems with Fly-By-Wire systems for flight control of large high-speed aircraft is advocated because of performance deficiencies in mechanical systems. The Fly-By-Wire system incorporates three redundant channels over which three electrical flight command signals are continuously transmitted to the aircraft control surface power actuator. ... |
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| Feasibility Study of a Fiber Optics Plotter. Volume I. Technical Aspects. |
12 OCT 1967 |
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| Authors:
Charles T. Tucker; INTERSTATE ELECTRONICS CORP ANAHEIM CALIF OCEANICS DIV
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| This study has established feasibility of a proposed fiber optics plotter system which produces bathythermograms on standard film aperture cards in both analog and digital form. Performance has been verified with a breadboard model. Outstanding features of the design are its all digital nature and the use of a new dry process film. Operational, reliability, production and cost aspects are considered based on a preliminary system design. (Author) |
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| DEACON BREADBOARD SUMMARY |
MAR 1964 |
50 pages |
| Authors:
Frederick B. Thompson; James A. Craig; Gregory D. Gibbons; John W. Gwynn; Jacque S. Pruett; GENERAL ELECTRIC CO SANTA BARBARA CA TEMPO
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| The DEACON Breadboard is a complete package of computer programs, syntactic and semantic rules, and data for establishing the feasibility of basic techniques for direct English access and control of a digital computer. The acronym DEACON is derived from Direct English Access and Control; the 'Breadboard' designation indicates the current experimental state of the system. The body of this report is divided into three parts. First, the general environment of ... |
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| DYNAMIC MMMEASUREMENT OF PROTECTIVE MASKS |
06 JAN 1964 |
5 pages |
| Authors:
SPACELABS INC VAN NUYS CA
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|
| Monthly Progress Report |
11 APR 1963 |
7 pages |
| Authors:
ALVIN N. BIRD JR; SOUTHERN RESEARCH INST BIRMINGHAM AL
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| The development of instruments for measuring particle size and concentration of chemical agents was continued. A breadboard model flash camera was assembled and experimental evaluation was started. Two special electrochemical cells were made to explore the relation between the response time of the cell and the thickness of the oxime layer. An analysis of thermal precipitation was made to determine the basic factors for designing a thermal precipitator for chemical ... |
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| AN L-BAND TUNNEL DIODE OSCILLATOR. |
28 FEB 1963 |
20 pages |
| Authors:
D.E. NELSON; R. Gold; E.T. Casterline; RADIO CORP OF AMERICA HARRISON NJ
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| Efforts were continued on the development of a tunable tunnel diodes oscillator giving 25 mu power output in the frequency range 1660 to 1700 Mc for radios and applications. A breadboard model oscillator was delivered. Tunnel diodes were fabricated from a more highly doped crystal having peak currents of 500 ma with cutoff fre quencies in excess of 9 kmc. Several of the diodes made from the highly doped crystals ... |
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| The Panchromatic Principle in Optical Filtering. |
30 JAN 1963 |
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| Authors:
Ross E. Williams; COLUMBIA UNIV DOBBS FERRY NY HUDSON LABS
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| The panchromatic optical correlator is one attempt at satisfying a particular requirement of high data rate receivers matched to the transmitted waveform. The technique is presently still in a breadboard stage and its applicability is not fully proven as yet, but it offers a reasonably promising expectation for the simultaneous processing of variously Doppler-distorted signals. This simultaneous approach would obviate the need for a sequential scan of all the Doppler ... |
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| NO-GIMBAL FEASIBILITY FLIGHT TEST PROGRAM |
NOV 1962 |
79 pages |
| Authors:
James Xenakis; SPERRY RAND CORP LONG ISLAND CITY NY FORD INSTRUMENT DIV
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| The program successfully demonstrated the feasibility of a strap-down inertial navigation system and verified the predicted performance of the breadboard model of the system. The report describes the results of eight flight and two ground tests during which approximately 40 hours of system operation, including 20 hours in the air and 20 hours on the ground, were accumulated. A complete description of the flight test and data processing procedure is ... |
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| Design, Development and Fabrication of One (1) Low Temperature Test Chamber with Instantaneous Diameter Measurement Device. |
18 JUL 1958 |
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| Authors:
LITTLE (ARTHUR D) INC CAMBRIDGE MA
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| Ultrasonic Testing of Special Cast Armor with the Watertown Arsenal Ultrasonic Flaw Plotting Equipment. |
13 JUN 1955 |
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| Authors:
Ross W. Buchanan; S. A. Lopilato; WATERTOWN ARSENAL LABS MA
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| Ultrasonic Flaw-Plotting Equipment: A New Development for Ordnance Corps Testing, |
08 JUN 1954 |
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| Authors:
C. H. Hastings; R. W. Buchanan; WATERTOWN ARSENAL MA
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| Ultrasonic Flaw-Plotting Equipment. A New Development for Ordnance Corps Testing, |
08 JUN 1954 |
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| Authors:
C. H. Hastings; R. W. Buchanan; WATERTOWN ARSENAL MA
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| Ultrasonic Flaw Plotting Machine. |
06 OCT 1952 |
|
| Authors:
Donald C. Erdman; ELECTROCIRCUITS INC PASADENA CALIF
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| Mercury Trapped-Ion Frequency Standard for the Global Positioning System |
|
11 pages |
| Authors:
R L Tjoelker; B Tucker; G Sprague; S Sepulveda; T Radey; N Raouf; J D Prestage; L Maleki; L Lim; R Hamell; R Glaser; S Chung; E Burt; B Young; CALIFORNIA INST OF TECHNOLOGY PASADENA JET PROPULSION LAB
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| We report on progress towards the development of a small, low-mass and -power, high-stability mercury trapped-ion frequency standard for the Global Positioning System. The design performance goal is a frequency stability reaching into the 10(-16) range using technologies that allow for more than 10 years of continuous operational life. Key features include using a multi-pole ion trap to minimize sensitivity to ion-number-dependent effects and a nitrogen buffer gas for long ... |
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| Development of a Spaceborne Hydrogen Maser Atomic Clock for Quasi-Zenith Satellites |
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9 pages |
| Authors:
Hiroyuki Ito; Mitsumasa Kitayama; Yasuaki Numata; Shigenori Mattori; Shouichirou Yokota; Kazuhiro Kimura; Shin'ichi Hama; Hitoshi Ishida; Takao Morikawa; Kenichiro Takahei; NATIONAL INST OF INFORMATION AND COMMUNICATIONS TECHNOLOGY (NICT) TOKYO (JAPAN)
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| A Bread Board Model of a spaceborne hydrogen maser atomic clock for the satellite positioning system using Quasi-Zenith Satellites has been developed. Analysis and experiments for technical problems such as miniaturization, achievement of long life, mechanical vibration proofing, and space environment characteristics have been performed, and technical data necessary for EM development have been obtained. |
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Reports by Keyword(s)
BREADBOARD MODELS
