SARK-110 Antenna Analyzer




         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

Measured Parameters

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

Operating Modes

Scalar Chart, Smith Chart, Single Frequency, Cable Test (TDR), Field, Multi-band, Signal Generator, Computer Control and Band Scan

Features Common To Most Modes

       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

Scalar Chart Mode

       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

Smith Chart Mode

       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

Single Frequency Mode

       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

Cable Test Mode

       Range: about from 2 to 250 m

       Displays step and impulse responses

Field Mode

       Graphical plot of one user-selected parameter in a scalar chart with enhanced legibility

       Display max and min values

Multi-band Mode

Display rectangular charts for four bands simultaneously

Signal Generator Mode

       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


Tracking modes: Peak Min, Peak Max, Absolute Min, Absolute Max , Value Cross Any, Value Cross Up, Value Cross Down


       Full color 3” TFT LCD 400 x 240 pixels

       4 dedicated buttons

       2 navigation keys

PC Interface

       USB Mini-B receptacle

       USB 2.0 Full Speed Composite Device:

        Mass Storage Class (internal disk)

        HID Class (Computer Control mode)


       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


       Automated Open/Short/Load calibration with up to eight stored profiles

       400 calibration points

       Frequency calibration

Measurement Architecture

       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


72 MHz STM32 MCU with 256KB Flash and 48KB SRAM


       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


Operating temperature: 0?C to 50?C


98 * 60 * 14.5 (mm)



Package Content

       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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