Signal converting receiver having constant hysteresis, and method therefor
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United States of America Patent
Stats
-
Oct 10, 2000
Grant Date -
N/A
app pub date -
Jul 9, 1999
filing date -
Jul 9, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A LVDS receiver (200) converts a differential input signal (15) at an input (201/202, e.g., voltage difference V.sub.1 -V.sub.2) to a single output signal (20) at an output (295). The receiver (200) has a signal distributor (205), first and second transistor pairs (220,210), a combiner (260), and an output trigger (250). The distributor (205) either forwards the differential input signal (15) to the first transistor pair (220) when the common mode portion of the input signal (15, e.g., V.sub.CM =(V.sub.1 +V.sub.2)/2) of the first and second input signal components is in a first magnitude range (e.g., V.sub.CM >V.sub.REF) or to the second transistor pair (210) when the common mode portion is in a second, different magnitude range (e.g., V.sub.CM
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