J. H. Felker
ABSTRACT
At the Joint Computer Conference in February 1952, I presented a paper on the transistor as a digital computer component. My talk at that time was based upon some early experience with transistors which led to the TRADIC program. This paper will present a progress report on what has come out of those early experiences. In 1951 we had a high-speed point-contact transistor. We also had an amplifier using that transistor which could regenerate digital data at a pulse rate of 1 mc. At the request of the Air Force, a program was started to lead to a transistor digital computer for an air-borne application. The application can probably best be characterized by saying that it required a series of extensive computations to be performed periodically upon less than 20 input numbers. The number of outputs required from the machine is even less than its inputs. The computer was to become a part of a military machine; that is, its inputs were not numbers from an electric typewriter or a punched tape but rather were from shafts and special dials. Its outputs similarly were not printed sheets of paper but were shaft positions and operational signals to other machinery. Thus, a large number of problems which we faced had to do with conversions from analogue data to digital data and conversely.
- The Transistor as a Digital Computer Component, J. H. Felker. Review of Electronic Digital Computers, Joint AIEE-IRE Computer Conference, New York, N. Y., February 1952.Google Scholar
- Regenerative Amplifier for Digital Computer Applications, J. H. Felker. Proceedings, Institute of Radio Engineers, New York, N. Y., vol. 40, no. 11, November 1952, p. 1584.Google Scholar
- A Transistor Pulse Amplifier Using External Regeneration, J. H. Vogelsong. Ibid., vol. 41, no. 10, October 1953, p. 1444.Google Scholar
- A Junction Transistor Tetrode for High-Frequency Use, R. L. Wallace, L. G. Schimpf, E. Dickten. Ibid., vol. 40, November 1952, pp. 1395--1400.Google Scholar
- P-N-I-P and N-P-I-N Junction Transistor Triodes, J. M. Early. The Bell System Technical Journal, New York, N Y., vol. 23, no. 3, May 1954, p. 517.Google Scholar
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