I inherited a design that uses the following circuit to generate a 40MHz square wave clock signal:
KT2520K is a TCXO that outputs a clipped sine wave and the inverter has a peak output voltage of 3.3V. Is there any benefit to the inverter feedback configuration used here? In other designs I've seen one large-valued resistor used and without the C16 capacitor. I'm considering simplifying the design to use a single 931k resistor in place of R3, R8 and C16. Are there any drawbacks to this?