Can a clipped Sine wave input be used instead of LVCMOS? Should a clipped Sine wave input be AC or DC coupled for optimal performance? I would like to interface the following TCXO to the LMK1D1204 input. Both the TCXO and LMK1D1204 are operating at 1.8V supplies. I also have a 1.8V LVDS clock going to the other input of the LMK1D1024.
TG2016SMN 38.4000M-ECGNNM3
Hello Elliot,
As long as the input signal meets the specifications shown in the data sheet, the shape of the signal (clipped sine) wouldn't matter.
Since your TCXO frequency (38.4 MHz) is below the 2 GHz specification and your differential voltage swing (0.8 Vpp) is within the 0.3 to 2.4 Vpp specification, then you can utilize the TCXO as an input to the LMK1D1204.
Please AC-couple the input with a 0.1 uF capacitor for best performance.
Regards,
Kia Rahbar
