FIELD: radio engineering.
SUBSTANCE: device comprises a frequency-tuned signal source, a generator of control commands and serially connected units of frequency tuning range expansion, every of which comprises a divider with a switched division ratio, a mixer and a band-pass filter.
EFFECT: increased width of frequency tuning range with provision of high purity of output signal spectrum and high speed of frequency tuning.
4 cl, 10 dwg
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Authors
Dates
2012-05-10—Published
2011-07-12—Filed