PhaseStation 53100A User’s Manual V1.04 25-Apr-2022
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multichannel measurement
Narrowband Mode
Narrow acquisition bandwidth option
New t0
Most recent tau-zero interval specified for resampled phase data
Notes
Additional notes that apply to a measurement, as specified at
acquisition time or edited with Edit->Trace Properties
Optional Filters
True if optional filters in use
Options
Option codes associated with instrument
Output Decimation
Final decimation ratio for output samples
Output Sample Rate
Rate at which data samples are generated by the TimeLab driver
Overlap %
Overlap percentage between successive FFT buffers
Overlapped
True if overlapped FFT processing is enabled for faster measurement
Pathname
Pathname under which the .TIM file associated with each plot was
most recently saved
Phase
Incoming data consists of phase-difference values
Phase Record
Maximum allocated size of in-memory phase data record used for
stability and deviation plots
Pilot
True if pilot tone in use
Pilot Freq
Pilot tone frequency in Hz
PN Max Offset
Maximum offset for SSB noise graph (which will be rounded up to the
nearest decade)
PN Min Offset
Minimum offset for SSB noise graph (which will be rounded down to
the nearest decade)
Port
IP port of instrument used to acquire data
Port Configuration
Configuration string for RS-232 COM port or other interface, if
required
Precision
Precision of incoming floating-point data (e.g., 0=single, 1=double)
Prologix Compatibility Mode
True if serial ports with FTDI D2XX drivers should be treated as
Prologix GPIB-USB adapters
Property Page
Selected property page number
Query Instrument ID
True if TimeLab should request the instrument's ID string
Rate Index
Index or other identifier for a given sample interval (device-
specific)
Read Existing Data
True if any existing text from the file or device should be skipped
prior to acquiring new data
Ref Amplitude
Approximate reference amplitude in dBm
Ref Ch
Physical channel(s) acting as reference
Ref Estimated
True if the reference frequency is a low-precision estimate that
should be rounded for display purposes
Ref Freq
Frequency of signal applied to primary reference input jack, often
rounded for display
Ref Precision
Round reference input frequencies to the specified # of digits to
the right of the decimal point
Remaining
Remaining time in the current measurement or measurement stage
Rescale Factor
Most recent user-supplied rescale factor for phase data
Residual FM
Displays blue vertical cursors in the phase noise graph which can be
moved by left/right-clicking with Control held down. The residual
FM between these limits of integration will be displayed in units
of Hz.
Rev
Detailed information available for plots acquired with certain
instruments, including firmware version and/or options
RMS Integrated Noise (Degs)
Displays blue vertical cursors in the phase noise graph which can be
moved by left/right-clicking with Control held down. RMS jitter
between these limits of integration will be displayed in degrees.
RMS Integrated Noise (Rads)
Displays blue vertical cursors in the phase noise graph which can be
moved by left/right-clicking with Control held down. RMS jitter
between these limits of integration will be displayed in radians.
RMS Time Jitter
Displays blue vertical cursors in the phase noise graph which can be
moved by left/right-clicking with Control held down. RMS jitter
between these limits of integration will be displayed in units of
seconds.
Role
Selected instrument configuration for a given measurement role
Sample Interval
Time in seconds between successive data points
Sample Rate
Incoming raw data rate from instrument in samples per second, where
applicable
Scale Factor
Numeric scale factor used to convert acquired data, e.g., TI
readings to seconds or frequency readings to Hz
Scale Jitter to DUT
True if jitter and carrier/noise values should be adjusted to
compensate for external frequency conversion
Scale PN to DUT
True if phase noise values should be increased by 20 * log10 (DUT
frequency / input frequency)
Scale Stability to DUT
True if stability measurements should be adjusted to compensate for
external frequency conversion
Secondary stability plots
True if a copy of the secondary phase record for a cross ADEV
measurement should be stored in a separate plot; false if only one
plot should be generated
Segment Table
User-specified tag field from segment table used for noise
acquisition
Setup String
ASCII text string(s) transmitted to device prior to acquisition
Source A
User-assignable label for first variance source in stability
measurement
Source B
User-assignable label for second variance source in stability
Summary of Contents for PHASE STATION 53100A
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