Ripple and droop reduction circuit
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United States of America Patent
Stats
-
Jul 21, 1987
Grant Date -
N/A
app pub date -
Mar 4, 1985
filing date -
Mar 4, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A radar transmitter includes a ripple and droop reduction circuit to reduce the ripple and droop of the beam (power) supply. A beam supply filter capacitor is connected to the source of power and an operational amplifier has its balanced input ac connected across the beam supply capacitor. A transistorized amplifier stage inverts the signal from the operational amplifier and amplifies its absolute value up to the same level appearing across the beam supply filter capacitor. A transistorized follower stage is connected to the transistorized amplifier stage for receiving the inverted signal and producing a low impedance output for insertion in series with the beam supply filter capacitor for ripple and droop cancellation. A traveling-wave-tube is connected to the supply power capacitor which receives the ripple and droop free capacitor output and produces substantially consistent pulses for transmission.
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