IMPROVEMENTS IN OR RELATING TO SCALING CIRCUITS
Patent
·
OSTI ID:4253830
A binary scaling circuit is described which operates at higher speed by elimination of the capacitative memory of the Eccles-Jordan circuit. Two electronic switches (tubes, transistors) are connected by their emitters of cathodes with resigtive coupling between the collector or anode of the first and the control grid or base of the second, and connection of the base or control grid of the first to a fixed potential. Thus when one conducts the other is non- conducting. When both are rendered non-conducting by an input pulse to the emitters or cathodes, the control grid of the second is biased during the pulse and conducts after the pulse. An inductor is connected in series with the anode of the second switch, and an a-c coupling is provided between the inductor and the control grid or base of the first switch so that the preferential bias is reversed by voltage generated in the inductor when the second switch is switched from conducting to non-conducting. The inductor is the primary of a transformer whose secondary is the a-c coupling. This circuit can be series connected as several stages to give a higher scaling factor. (T.R.H.)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-13-016187
- OSTI ID:
- 4253830
- Report Number(s):
- GB 815999
- Country of Publication:
- United Kingdom
- Language:
- English
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