
Baseband Noise Measurement measurement type uses the HP 11848A
External Noise Input to direct the Noise Voltage to either the HP 3561A
Dynamic Signal Analyzer or to a configured RF Analyzer. This extends the
measurement range to 40 MHz. This measurement type also makes the
internal LNA and High/Low Pass Filters within the HP 11848A available
for the measurement.
NOTE
The Baseband Noise Measurement will only measure out to
2 MHz if a Phase Detector Input frequency was set to less
than 95 MHz in the previous measurement. To measure
offsets greater than 2 MHz, verify the Phase Detector
Input frequency is greater to 95 MHz before selecting the
Baseband Noise Measurement in the Type/Range display.
2-10 Type/Range
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