SteppIR SARK-110, User Manual

Page: 56 / 78

SteppIR
SARK-110
User’s Manual
Rev 1.1.7 October 29 th , 2014 - 56 - © Melchor Varela – EA4FRB 2011-2014
14 Specifications
Synthesizer
 Direct Digital Synthesis with 1Hz resolution
 Sine wave output
 Frequency range from 0.1 to 230Mhz
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
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