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G E T T I N G S T A R T E D

 Atten – Controls the internal device attenuation. It is recommended to keep this value set

to Auto.

 Decimation – Controls the overall decimation of the IQ data capture. For example, a

decimation of 2 results in an IQ sample rate of 20MS/s. A decimation of 64 results in an

IQ sample rate of 625 kS/s.

 IF BW – (Intermediate Frqeuency Bandwidth) Controls the bandwidth of the passband

filter applied to the IQ data stream. The bandwidth cannot exceed the nyquist frequency of

the IQ data stream, and can be set down to 100kHz.

 Auto IFBW – When set to Auto, the IF Bandwidth passes the entire bandwidhth of the

IQ data capture.

 Swp Time – (Sweep Time) Controls the length of the zero-span data capture. The length is

relative to the sample rate selected by decimation. Sweep times are clamped when the

resulting capture contains less than 20 samples, and and at the upper end, when the

resulting capture contains more than 32768 samples.

Trigger Settings 3.2.3.2

 Trigger Type – Select a trigger type for the data capture. When a trigger type is selected,

the captures are synchronized by the presence of a trigger.

 Trigger Edge – Select whether to trigger on a rising or falling edge. Applies to both

external and video triggers.

 Video Trigger – Select the amplitude for the video trigger to trigger on. This value is

ignored if video triggering is not selected.

AM/FM Modulation Analysis 3.2.3.3

 Enabled – Enables the modulation analysis display.

 Low Pass – Set the audio filter bandwidth.

See Taking Measurements:Modulation Analysis for more information.

Sweep Toolbar

3.3

The sweep toolbar is visible when the device is operating in the normal sweep mode and real-time mode.

The toolbar is located above the graticule and contains controls for displaying and controlling traces.

 Spectrogram – Enables the display of two and three dimensional spectrogram displays.

See Display Modes: Spectrogram.

 Persistence – Enables the persistence display. See Display Modes: Persistence.

 Persistence Clear – Clear the contents of the persistence display.

 Single – Request the software perform one more sweep from the BB60 before becoming

pausing.

 Continuous – Request the software to continuously retrieve sweeps from the BB60.

 Preset – Restores the software and hardware to its initial power-on state by performing a

device master reset.

Signal Hound BB60C User Manual

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