3900 Platform Specifications
Subject to Export Control, see Cover Page for details.
B-11
Audio & Modulation Measurements (cont)
SINAD Meter
Range
0 to 60 dB
Resolution
0.01 dB
Accuracy
±1 dB, ±1 count (SINAD >3 dB, ≤40 dB, 5 kHz LP AF Filter)
Signal Frequency
300 Hz to 5 kHz
Signal Level
3901 / 3902
0.1 to 8 Vrms
3920
0.1 to 30 Vrms
Front Panel Inputs
Audio 1 or 2
Unbalanced, Chassis reference
Audio 1 and 2
Balanced, 600 Ω differential input
Impedance
Hi-Z (> 10 k Ω) Unbalanced input
600 Ω Unbalanced input (8 Vrms Maximum input*)
600 Ω Balanced input
*600 Ω Unbalanced input auto-switches to Hi-Z @ 8 Vrms (3920 only)
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