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Marker
Assuming internal calibration signal is used to calibrate the
reference level at -10 dBm and the input attenuator is fixed at 10
When the error correction function is used, amplitude uncertainty
is introduced because additional IF gain is used to offset the
amplitude errors caused by resolution BW switching and display
scale switching errors.
Unaffected by error correction.
Usable reference level range is a function of resolution bandwidth.
Refer to Displayed Average Noise Level.
For IF-Display sections with serial prefixes 3014A and above,
specification applies over entire display.
The marker is a bright dot placed upon the display trace and is
positioned horizontally by the DATA controls. The marker amplitude
and frequency are read out continuously.
Marker
Normal
same as center frequency accuracy.
A
same as frequency span accuracy.
Marker
Normal
same as reference level accuracy plus scale fidelity
between the reference level and marker position.
A
same as frequency response uncertainty and scale
fidelity between two markers.
Frequency Accuracy
Accuracy
Amplitude Accuracy
Accuracy
Specifications 3-13
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