Microsoft LPF-00004 Betreibershandbuch Seite 136

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Seitenansicht 135
Page 118 SPECIFICATIONS
C
YBER
A
MP
380, COPYRIGHT MARCH 2002, AXON INSTRUMENTS, INC.
NOTCH FILTER
Frequency: Tuneable from 45-70 Hz.
Depth: 40 dB.
-3 dB width: 1 Hz.
AC COUPLING
Selectable coupling frequencies: 0.1, 1, 10, 30, 100, 300 Hz.
DC OFFSET & AUTOZERO: ±3 Volts in 100 µV steps, pre-filter gain = x1
DC offset adjustment: ±300 mV in 10 µV steps, pre-filter gain = x10
(input referred): ±30 mV in 1 µV steps, pre-filter gain = x100
Autozero lock-in range: Same as DC offset adjustment ranges.
NOISE
Input noise: 0.1 Hz - 10 kHz: 1.4 µV
rms
, 9 µV
p-p
0.1 Hz - 3 kHz: 1.0 µV
rms
, 6 µV
p-p
0.1 Hz - 1 kHz: 0.7 µV
rms
, 4 µV
p-p
0.1 Hz - 100 Hz: 0.6 µV
rms
, 3.5 µV
p-p
Output noise: 0.1 Hz - 10 kHz: 70 µV
rms
, 500 µV
p-p
Peak-to-peak noise is estimated using a factor of six times the measured RMS value. The RMS value
is determined from a one-second acquisition of ten thousand or more samples. The AC coupling
frequency (0.1 Hz) and the low-pass frequency are set in the CyberAmp itself.
COMMON MODE REJECTION RATIO Same 100 Hz signal to differential inputs
With equal source resistances: 110 dB, pre-filter gain = x100
100 dB, pre-filter gain = x10
70 dB, pre-filter gain = x1
With 1 k source imbalance: 60 dB, all gains
A higher CMRR is achieved in the presence of substantial source-resistance imbalances by use of one
of the AI 400 series differential amplifier probes as pre-amplifiers to the CyberAmp.
FREQUENCY RESPONSE DC-50 kHz, pre=filter gain = x1
DC-30 kHz, pre=filter gain = x10
DC-11 kHz, pre=filter gain = x100
GENERAL NOTE All specifications at 25°C ambient. Typical unless indicated
otherwise.
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