. The Bell System technical journal . Fig. 19 — Electrostatic storage tube. 1010 THE BELL SYSTEM TECHNICAL JOURNAL, SEPTEMBER 1956. Fig. 20 — Ferroelectric array. access speeds must be comparable in speed if they are not to become thespeed bottleneck. All portions of the system must be in balance time-wise. Devices and techniques for use in the design of high speed logic cir-cuits are available.^^ With such devices information processing pre-viously carried out by complex relay circuitry may be carried out inmicroseconds instead of milliseconds. Devices such as semiconductordiodes and transist
. The Bell System technical journal . Fig. 19 — Electrostatic storage tube. 1010 THE BELL SYSTEM TECHNICAL JOURNAL, SEPTEMBER 1956. Fig. 20 — Ferroelectric array. access speeds must be comparable in speed if they are not to become thespeed bottleneck. All portions of the system must be in balance time-wise. Devices and techniques for use in the design of high speed logic cir-cuits are available.^^ With such devices information processing pre-viously carried out by complex relay circuitry may be carried out inmicroseconds instead of milliseconds. Devices such as semiconductordiodes and transistors seem to be pointing the way to the future in per-forming these ^ Previously, hot cathode tubes with highpower consumption were needed to achieve the same functions at simi-lar high speeds and for a long time this has been one of the greatestdeterrents to electronic switching. Semiconductor diode gate circuits are now quite familiar^* and take ELECTRONICS IN TELEPHONE SWITCHING SYSTEMS 1011 the place of the conventional make and break contacts in the electro-mechanical switching art (see Fig. 23 for the AND fu
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