H - Electricity – 03 – K
Patent
H - Electricity
03
K
H03K 19/0175 (2006.01) H03K 19/0185 (2006.01)
Patent
CA 2245757
A translation circuit for mixed logic voltage signals is comprised of a first pair of self-biasing common-mode level shifters for receiving positive and negative polarity input signals respectively of a balanced input signal, each level shifter having a control input for receiving a ratio control signal, and having first level shifter nodes for providing the same polarity output signals, a second pair of self-biasing common-mode level shifters, each connected in parallel with a corresponding variable ratio level shifter, the second pair of level shifters having fixed level shift ratios, a circuit connected to level shifter nodes of the second pair of level shifters for providing and storing a signal which is a sum of voltages appearing at the level shifter nodes, and a circuit for applying the stored signal to the control inputs.
Candage Anthony B.
Deliyannides George
Pmc-Sierra Ltd.
Shapiro Cohen
LandOfFree
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