Keysight Technologies Option 503 Service Manual page 19

Overview
Instrument Option Descriptions
Option Description
P13 Preamp, 100 kHz to 13.6 GHz
P26 Preamp, 100 kHz to 26.5 GHz
P43 Preamplifier, 43 GHz
P44 Preamplifier, 44 GHz
P55 Preamplifier, 50 GHz
RT1 or Real Time Analysis
RT2
YAV Screen Video (rear panel Analog Out connector)
N9030A PXA Signal Analyzer Service Guide
Notes
With Option 543 only
With Option 544 only
With Option 550 only
Requires option B1X or B85
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