mpig09
Full Member level 4
Dear all :
When I design a low pass filter for the pll, I can use MOS capacitor or double
poly capacitor, which capacitor is better to use for pll design ?
I only know MOS capacitor need have enough vgs(over vth) to keep the
capacitor value, but I don't know NMOS capacitor and PMOS capacitor other limit
conditions for use in circuit.
Thanks for your help!!
mpig
When I design a low pass filter for the pll, I can use MOS capacitor or double
poly capacitor, which capacitor is better to use for pll design ?
I only know MOS capacitor need have enough vgs(over vth) to keep the
capacitor value, but I don't know NMOS capacitor and PMOS capacitor other limit
conditions for use in circuit.
Thanks for your help!!
mpig