Load controlled ECL transient driver
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United States of America Patent
Stats
-
Aug 14, 1990
Grant Date -
N/A
app pub date -
Nov 3, 1988
filing date -
Nov 3, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An ECL transient driver discharges a capacitive load at the output of an emitter follower with a pulse whose amplitude and duration is determined by the charge on the load. A pull-up transistor is coupled to an output terminal for selectively supplying a voltage thereto in response to a first signal from a logic circuit. A pull-down transistor is coupled to the output terminal for selectively sinking a current therefrom in response to a second signal. A comparator circuit is coupled to the pull-down transistor, the logic circuit, and the output terminal, for selectively providing the second signal in response to the first signal and an output voltage on the output terminal.
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