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.
HMC587
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The HMC587LC4B is a wideband GaAs InGaP Voltage Controlled Oscillator which incorporates the resonator, negative resistance device, and varactor diode...
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HMC587 on Analog.com
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.