Accession Number:

AD0266540

Title:

Improved Phase Modulator-Demodulator.

Descriptive Note:

Corporate Author:

INTERNATIONAL BUSINESS MACHINES CORP ROCKVILLE MD

Personal Author(s):

Report Date:

1960-09-05

Pagination or Media Count:

1.0

Abstract:

Effort concerns the transferring of digital data over voice communications channels. The contractor IBM will develop and construct a digital modulator-demodulator using transistor circuits, phase modulation, and bit synchronism. Progress is presented on the logic design and on the electrical design of each circuit. Progress was satisfactory. Almost all of the circuits were designed and most were tested.

Subject Categories:

Distribution Statement:

APPROVED FOR PUBLIC RELEASE