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PLL NOT WORKING IN TEMPERATURE

Question asked by Jayaprakash on Oct 11, 2014
Latest reply on Oct 31, 2014 by Jayaprakash

Sir,

 

Pls help to find an unlocking issue in PLL ckt using AD4156 and HMC587 VCO.It became unlock b/w the temperature range of +17 to +20 C.Freq is 5.5GHZ.It is working fine above and below this range.

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