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Cal Test Electronics
Specifications
All specifications apply to the unit after a temperature stabilization time
of 20 minutes over an ambient range of 25°C ± 5°C.
Probe
Bandwidth
Rise Time
Attenuation
Accuracy
AC CMRR
Maximum Differential Input
Voltages
(DC + AC peak)
Absolute Maximum Rated
Input Voltage (each side to
ground)
Input Impedance
(Differential)
Input Impedance (each side
to ground)
Output Voltage Swing
Offset (typical)
Noise (typical)
Source Impedance
Power Supply
* Accuracy based on DMM with 10 M
11
Electrical Characteristics
CT4197
10x, 100x, 1000x
±40 V @ 10x
±400 V @ 100x
±4000 V @ 1000x
4000 Vrms
20 MΩ // 2 pF
10 MΩ // 4 pF
±8 Vpp (driving 1 M Ω oscilloscope input)
Ω input impedance.
caltestelectronics.com
100 MHz
3.5 ns
20x, 200x, 2000x
±2%*
80 dB @ 60 Hz
60 dB @ 100 Hz
50 dB @ 1 MHz
±8000 V @ 2000x
±5 mV
2 mVrms
50 Ω
9 V power adapter (included)
CT4198
±80 V @ 20x
±800 V @ 200x
8000 Vrms
30 MΩ // 1.5 pF
15 MΩ // 3 pF
450889-001 Rev. A
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