DocumentCode
2852938
Title
A microcircuit tone generator for push-button dialing
Author
Cowpland, M.
Author_Institution
Microsystems International, Ltd., Ottawa, Ont., Canada
Volume
XV
fYear
1972
fDate
16-18 Feb. 1972
Firstpage
76
Lastpage
77
Abstract
This paper will describe a microelectronic tone generator whose output level is adjustable and stable to better than 1 dB, with operating line voltage ranging from 4.5 to 35 V dc; minimum supply current is 2 mA. Tantalum thin-film techniques used for filter, amplitude filter and amplifier.
Keywords
Capacitors; Circuits; Filters; Impedance; Oscillators; Resistors; Resonant frequency; Schottky diodes; Temperature; Voltage;
fLanguage
English
Publisher
ieee
Conference_Titel
Solid-State Circuits Conference. Digest of Technical Papers. 1972 IEEE International
Conference_Location
Philadelphia, PA, USA
Type
conf
DOI
10.1109/ISSCC.1972.1155029
Filename
1155029
Link To Document