Frequency synthesizer - Wikipedia
A frequency synthesizer is an electronic circuit that generates a range of frequencies from a single reference frequency
Frequency Synthesizer | Types & Technologies | Tutorial
The Laplace Synthesisers cover both conducted and radiated RF immunity test requirements. The frequency coverage extends from 100KHz to 230MHz for conducted tests and 30MHz - 3GHz for radiated tests. They are all controlled from the users PC via a USB link, and powerful Windows software is included to enable the user to control all the parameters of the test, to monitor the test in progress, and to view the results.
These systems often require a source that provides several frequencies at a time with virtually no spurious content and significantly better phase noise than provided by the best commercial synthesizers. Low noise crystal oscillators are readily available but little or no phase noise data is provided for most RF functional modules and the processes of multiplying, dividing, mixing and amplifying can produce unwanted and unexpected spurious and harmonic content along with white and flicker phase noise. Block diagrams can grow unwieldy as additional power splitters, filters, and attenuators are included to control the undesired signals. Contracting the job out can be prohibitively expensive since virtually the whole system must be a custom design.
IET Digital Library: Frequency synthesisers
In this dissertation, we are interested in improving phase noise performance of integrated phase-locked-loop (PLL) based radio-frequency (RF) frequency synthesizers.
01/01/2018 · Frequency Synthesisers for HF
Patent EP0939492A1 - Frequency synthesisers - Google …
Frequency synthesisers - NIPPON ELECTRIC CO
Frequency-Modulation Synthesis, or FM Synthesis for short, works differently than what we’ve talked about so far
Frequency synthesiser - Hewlett-Packard Limited
ASY Miniature Frequency Synthesisers at AtlanTecRF
PLL frequency synthesisers cover 25MHz-27GHz …
Digital frequency synthesisers - a design history
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