The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 19, 1988
Filed:
Feb. 24, 1987
Applicant:
Inventor:
John J Price, Jr, Mesa, AZ (US);
Assignee:
Motorola, Inc., Schaumburg, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K / ;
U.S. Cl.
CPC ...
307362 ; 307491 ; 307494 ;
Abstract
A bit switch is provided for use in a digital-to-analog converter for providing a bit current to a summing bus. A first differential pair of switching devices are responsive to a digital input signal and provide first and second output signals to a second differential pair of switching devices that provide the bit current. First and second drive circuits are coupled between the first and second differential pair of switching devices for respectively slowing down the voltage transition of the first and second output signals for reducing glitches in the bit current.