Chapter 1 Specifications RIGOL
Service Guide for DM3068
[4]
The basic DC accuracy specifications include RMS noise at 100 NPLC. For <100 NPLC, add “
” to the basic DC accuracy
SFDR & SINAD
[1]
Spurious-Free Dynamic Range (SFDR)
Signal-to-Noise-and-Distortion (SINAD)
Typical value. -1dBFS, 1kHz single tone. 100us aperture time, zero trigger delay, auto zero off and 4096 samples.
Measuring Characteristics
200mV, 2V, 20V ranges: Selectable 10MΩ or >10GΩ
(For these ranges, input beyond ±26V are clamped through 106kΩ (typical) )
200V and 1000V ranges: 10MΩ±1%
℃
CMRR (common mode
rejection ratio)
140dB for 1 kΩ unbalance in LO lead, ±500VDC peak maximum.
Selectable 4-wire or 2-wire resistance
Current source referenced to LO input
Max. Lead Resistance
(4-wire)
10% of range per lead for 200 Ω, 2 kΩ ranges, 1 kΩ per lead on all other ranges