Method and apparatus for synthesis of wideband low phase noise radio frequency signals
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United States of America Patent
Stats
-
Nov 8, 2016
Grant Date -
Jul 28, 2016
app pub date -
Jan 6, 2014
filing date -
Jan 9, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An apparatus for synthesizing wideband radio frequency signals in the microwave region has mostly digital components. The apparatus processes and converts a signal from a stable single-frequency electrical oscillator into a lower or higher frequency electrical signal without using analog multiplier or mixer circuits. An apparatus for synthesizing a fixed phase-stable RF reference signal for use in a radar transceiver includes a phase-stable electrical oscillator which produces a single frequency sinusoidal reference signal. The apparatus converts the reference signal to an arbitrary higher or lower fixed frequency using digital logic and signal delays. The apparatus comprises low-jitter comparator, an impulse former, a gearbox retiming circuit and a recirculator circuit. An apparatus for providing wideband FM modulation of an RF signal includes circuitry for synthesizing a radio frequency signal having arbitrary tuning of center frequency and dynamic command of wideband FM and retaining low phase noise performance of the synthesized signal.
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International Classification(s)
- 2014 Application Filing Year
- H03L Class
- 712 Applications Filed
- 648 Patents Issued To-Date
- 91.02 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- H03L Class
- 0 % this patent is cited more than
- 9 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | May 8, 2028 |
