Other Parts Discussed in Thread: LMX2581
Hi,
Does someone else observe frequency offset of 40 kHz while trying to get a wanted signal out of LMX2581?
One example:
Wanted signal: 180 MHz
RFout A+ and RFout B+ used. Doubler: x1. R-counter 5. Phase detector frequency 20 MHz. Phase detector polarity -. Charge Pump Gain 2400microA. Charge Pump State Active. N counter 144. The final divider 16.
Output signal has frequency of 180.04 Mhz.
I observed similar situations on other output signals as well.
Thank you in advance!