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PNA Error Message

Question asked by ulw on Nov 28, 2011
Latest reply on Nov 29, 2011 by jvall
Hi all,
We have PNA E8364B and see error message "Phase lock lost". "Operators check" and "Phase-Lock IF Gain Adjustment" programs was done wrong. We set at PNA output fixed frequency 10 MHz and observed about 200 MHz. So it goes up to output frequency 100 MHz. We checked frequency and level RF, LO and IF signals (A11, A12, A20 boards). Frequencies YTO (3810 - 3890 MHz) set wrong. Where we can find service program to re-compute the phase lock coefficients, and re-write its. Thanks.