lijulia
Member level 3
vco leakage
In the measurement of pll chip, there is leakage current is being drawn into the vco tune port ( vco on), which result in leakage current to the loop filter and cause large reference spur and worse noise performance.
Anybody has suggestion about this?
thanks
In the measurement of pll chip, there is leakage current is being drawn into the vco tune port ( vco on), which result in leakage current to the loop filter and cause large reference spur and worse noise performance.
Anybody has suggestion about this?
thanks