General
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Frequency range: 100 kHz to 230 MHz
Frequency resolution: 1 Hz
Frequency stability: ? 30 ppm
Sine wave output
RF Connector: MCX socket
Output power: approx. -10 dBm (0.1mW, 70.7mV rms) into a 50-ohm load
Sweep time (Scalar Chart/Smith Chart/Field Mode): 3 seconds (Normal/fast sampling), 5 seconds (Double/slow sampling), 1.5 seconds (Normal/low resolution)
Sweep time (FDR): 6 seconds
Frequency Resolution: 258 points per sweep (258 to 10000 in deep sweep mode)
Return loss dynamic range: 0 to -60 dB
VSWR dynamic range: 100:1 maximum
Impedance reading in open circuit: 60000 (@1 MHz)
Measurement limits: |Z| < 100K, |R| < 100K, |X| < 100K, |Rho| < 0.98, C < 100 nF, L < 100 mH, -180 < ? < 180
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Measured Parameters
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Complex impedance (series and parallel) and reflection coefficient in rectangular and polar form, VSWR, return loss, reflection power percentage, quality factor, equivalent capacitance, equivalent inductance
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Operating Modes
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Scalar Chart, Smith Chart, Single Frequency, Cable Test (TDR), Field, Multi-band, Signal Generator, Computer Control and Band Scan
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Features Common To Most Modes
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Presets for amateur radio bands
Adjustable reference impedance
Save to disk and recall functions
Three available fixed scale options and automatic scaling
Presets for popular coaxial cables
Add/subtract transmission line
Black or white color schemes
Adjustable plot trace widths
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Scalar Chart Mode
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Graphical plot of two user-selected parameters in a rectangular chart
Two markers with manual or automatic positioning
Display detailed parameters for center frequency or any of the two marker positions
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Smith Chart Mode
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Plots complex reflection coefficient in Smith Chart form
Two markers with manual or automatic positioning
Display detailed parameters for center frequency or either of the two marker positions
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Single Frequency Mode
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Display all parameters for a single frequency
Graphical representation of series and parallel impedance equivalent
VSWR Audio feedback
Circuit models and automatic LC matching network calculator
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Cable Test Mode
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Range: about from 2 to 250 m
Displays step and impulse responses
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Field Mode
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Graphical plot of one user-selected parameter in a scalar chart with enhanced legibility
Display max and min values
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Multi-band Mode
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Display rectangular charts for four bands simultaneously
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Signal Generator Mode
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Frequency range: 1 kHz to 230 MHz
Programmable output level from -73 dBm to -10 dBm into a 50-ohm load
Continuous, frequency sweep, AM and FM modulation modes
Linear, logarithmic, bi-linear, and bi-logarithmic sweep modes
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Markers
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Tracking modes: Peak Min, Peak Max, Absolute Min, Absolute Max , Value Cross Any, Value Cross Up, Value Cross Down
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Interface
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Full color 3” TFT LCD 400 x 240 pixels
4 dedicated buttons
2 navigation keys
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PC Interface
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USB Mini-B receptacle
USB 2.0 Full Speed Composite Device:
Mass Storage Class (internal disk)
HID Class (Computer Control mode)
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Storage
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2 MB internal disk FAT compatible
USB Mass Storage
Screenshot save and recall feature
Measurement data save and recall feature
Possibility of files with user definable frequency presets, scale settings, and three custom cable types
Measurement data files compatible with SARK Plots and ZPLOTS programs
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Calibration
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Automated Open/Short/Load calibration with up to eight stored profiles
400 calibration points
Frequency calibration
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Measurement Architecture
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Single conversion superheterodyne
Two independent measurement channels for simultaneous voltage and current measurement for precise phase measurement
Two synchronized 12-bit analog to digital converters
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Processor
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72 MHz STM32 MCU with 256KB Flash and 48KB SRAM
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Power
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3.7V 1000mAh Internal Lithium-Polymer battery
USB for operation and charging
Automatic Power Off functionality (disabled, 5, 10, or 30minutes)
Autonomy: approx. 2.5 hours
Charge time: approx. 3.5 hours
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Environment
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Operating temperature: 0?C to 50?C
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Dimensions
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98 * 60 * 14.5 (mm)
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Weight
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120g
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Package Content
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SARK-110 x 1 with built-in battery
MCX to SMA female connector adapter x 1
SMA plug to SMA female 8” (20-cm) cable adapter x 1
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