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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:
o Mass Storage Class (internal disk)
o 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: 0ºC to 50ºC
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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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