Look at the YTO alignment - put a detector on it and look at slope of RG
output (unleveled). If line is relatively smooth, alignment may work, if
you see "squiggles" possible YTO problem (still try alignment)
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On Mon, October 29, 2018 10:10, MARC CHRISTIAN wrote:
Afternoon HP Group
Trying to sort our HP8341B 20GHz Sweeper but Problem with Band 3 13.5 GHz
¨C 20 GHz Un-Levelled Light is ON . Setting 0.0dBm Level on Lower Bands is
OK (CW Mode) but Band 3 Levels go too ¨C13dBm to ¨C19dBm All Voltage Rails
are OK and done some Board Swaps with another Unit but not cured problem
yet.... any ideas ???
Kind regards
Marc Christian
Telford Electronics. Old Officers Mess. Hoo Farm. Humbers Lane. Horton
Telford. Shropshire. TF6 6DJ. UK
01952 605451
www.telford-electronics.co.uk
