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Chapter 24, Connector, Key, and Knob Descriptions
Connector Descriptions
DUPLEX OUT
This connection is an output for the RF Generator and Tracking Generator.
Operating Considerations
Output impedance = 50Ω
The RF Generator’s output is selected in the Output Port field. This field is
available in the RX TEST, DUPLEX TEST, RF GENERATOR, and SPECTRUM
ANALYZER screens.
CAUTION: Connecting an RF source of >200 mW to this connector can permanently damage the
instrument.
EXT SCOPE TRIGGER INPUT
This connector provides an external oscilloscope trigger.
Operating Considerations
Input threshold approximately 2.5 V
Maximum Input level approximately 20 V peak
Input impedance is:
100 kΩ for signals ≤5.6 V peak
5 kΩ for signals >5.6 V peak
When measured with no load on the input, a 5 Volt level is present on the
connector due to the internal pull-up resistor design.
See Also
Chapter 14, "Oscilloscope Screen"
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