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Using ADF4159 with ADF4351

Question asked by lguancho on Jul 9, 2015
Latest reply on Jul 10, 2015 by rbrennan

Hi.  I would like to know whether ADF4159 (with ramp generation capability)  could be used with ADF4351 (as a wideband VCO)?  I want to design a programmable LFM generator, and ADF4159 seems to be suitable.    I want to use ADF4351 as a wideband VCO with tuning voltage from 0 to 3V.  Is it possible to get LFM signal at the ADF4351 output. Specifically,  my requirement is:

 

Output Frequency:  1550 to 1600MHz

Ramp:  50MHz over 20us. (positive sweep)

 

Regards

 

Lim

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