SRS Labs SR446, Руководство пользователя

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SR446 Specifications
Specification Min Typ Max Units
Inputs (driven by 50- Ω source)
Input signal level -500 +500 mV
AC mode cutoff (-3 dB)
50 Ω
500 Ω
200
20
kHz
kHz
Impedance (at DC)
50 Ω
500 Ω
49
497
51
508
Ω
Ω
Input clamp levels -1.5 +1.5 V
Protection (DC) -4 +4 Vdc
Input-referred noise (@1 MHz,
Maximum gain)
3.3
nV/
√𝐻𝐻𝐻𝐻
Noise (1 Hz to 400 MHz) 40 μVrms
Amplifier
Gain 1 (0) 100 (40) V/V (dB)
Gain accuracy (at 1 MHz) -0.5 +0.5 dB
Gain flatness (DC to 100 MHz) 0.3 dB
Bandwidth (-3 dB) 400 MHz
Rise/fall time 1 ns
Propagation delay 4.5 ns
Gain drift
Gain = 1
Gain = 100
0.07
0.1
%/°C
%/°C
Outputs (driving 50- Ω load)
Source impedance 49 50 51 Ω
Offset* -1 +1 mV
Offset drift
Gain = 1
Gain = 100
0.4
0.8
mV/°C
mV/°C
Linear operation per channel
Differential
-0.65
-1.3
+0.65
+1.3
V
V
Overload level detect -0.7 +0.7 V
Limit level -0.9 +0.9 V
Skew bOut and -Out 20 ps
Overload recovery time 12 ns
General
Number of input channel 1
Number of output channels 2
USB port type B 1
Operating temperature (non-condensing) +5 +40 ºC
Mains voltage 85 264 VAC
Mains power 0.36 5 15 Watt
Mains frequency 47 63 Hz
Weight 1.1 (2.3) kg (lb)
Dimensions (W × H × D) 213 mm × 45 mm × 230 mm (8.4” × 1.8” × 9.1”)
*After DC calibration.