Keysight N9038A MXE Service Guide 219
RF Downconverter Section
RF Downconverter Section Description
The RF section is designed to convert all input signals to an intermediate
frequency of 322.5 MHz. The components of the RF section discussed in this
chapter are:
— A11 RF Switch / High Band Preamp
— A12 YTF Preselector
— A13 RF Front End Assembly
While all of these assemblies are used for all of the different frequency range
options, the Option 544 instruments use a different part number assembly than
the Option 503, 508, and 526 instruments for each.