FIELD: physics; radio.
SUBSTANCE: invention relates to radio-electronics and can be used for controlling phase of high frequency oscillations in radar, communication apparatus with digital forms of modulation and in measuring equipment. The phase manipulator has high-pass and low-pass filter elements (1), (5), (7) and (8). Diodes (2) and (6) convert high-pass filters to low-pass filters during switching. Incidental amplitude modulation of reduced due to an additional diode (4) controlled through generation of short pulses (11), and a high-frequency signal amplitude limiter (12). Additional diode (4) increases rise time of the phase switching process, which significantly reduces the width of the output signal spectrum.
EFFECT: reduced incidental amplitude modulation and width of the output signal spectrum.
4 dwg
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Authors
Dates
2010-01-20—Published
2008-10-27—Filed