Coded data generation or conversion – Analog to or from digital conversion – Digital to analog conversion
Patent
1994-08-23
1996-09-10
Gaffin, Jeffrey A.
Coded data generation or conversion
Analog to or from digital conversion
Digital to analog conversion
341145, 341127, H03M 146, H03M 166, H03M 178
Patent
active
055549888
ABSTRACT:
An apparatus is provided for generating a multiple-level amplitude modulated data signal. The circuit provides accurate data signal level control while minimizing transient errors. A controlling level, relative to an analog reference level is provided. Multiple bit reference levels are generated from the controlling level and analog reference level. A method is provided for selecting one of the reference levels.
REFERENCES:
patent: 5134398 (1992-07-01), Yasutake
Muehlfeld Alan D.
Retzer Michael H.
Buford Kevin A.
Gaffin Jeffrey A.
Jean-Pierre Peguy
Maddox Donna R.
Motorola Inc.
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