The ADF5509 is a GaAs MMIC VCO, packaged in an industry standard 32-lead 5 mm × 5 mm LFCSP package. The ADF5509 utilizes a push-push VCO architecture and outputs both the fundamental and half frequency output. The VCO's phase noise performance of -115 dBc/Hz at 100 kHz offset allow it to meet the requirements of demanding radio systems like microwave point-to-point links. The divide-by-2 output can be input directly into Analog Devices PLLs such as the ADF4156, ADF4106 or ADF4150HV. The ADF5509 operates off a +5V supply and outputs +15 dBm typical.
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|ADF5509: 7.8 GHz to 8.8 GHz GaAs VCO Preliminary Data Sheet (Rev PrD, 10/2012) (pdf, 1088 kB)||Data Sheets|
Fundamentals of Frequency Synthesis, Part 2: Direct Digital Synthesis (DDS)
This month we conclude our two-part series on frequency synthesis, with an introduction to Direct Digital Synthesis. We will give a basic review of how a direct digital synthesis system works, touching on the inner workings of the DDS engine at a relatively high level. We will also discuss the tradeoffs between PLL and DDS technology as a base choice for frequency synthesis needs.
|Analog Devices Expands its Microwave IC Product Portfolio with New Family of High-Performance Voltage Controlled Oscillators (29 Oct 2012)||Press Releases||HTML|
RF Source Booklet
(pdf, 815 kB)
RF IC Product Overview - Version O (11/2012)
|Glossary of EE Terms||Glossary||HTML|
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