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Table 9: Electrical specifications (cont.)
Characteristic
Overload indicator range
6
(Typical)
1
The difference between the measured DC gain and the nominal DC gain, divided by the nominal DC gain and expressed as a percent.
2
The input referred offset error voltage when the input is shorted and the probe input offset is set to 0 volts
3
User adjustable input referenced referred DC Offset Voltage Range. It is independent of range and clamp settings.
4
The 800 MHz bandwidth is achieved with the 50X and greater attenuation tips (MMCX50X, MMCX250X, SQPIN100X, SQPIN500X, WSQPIN1000X, or
WSQPIN2500X).
5
This product is designed to be used in the circuit with expected transient overvoltage up to 5000 V peak.
6
The Overload indicator is active when the sensor head input DC/LF voltage exceeds the limits in this table. This overload detection will not detect mid and high
frequency voltage transients that can damage the sensor head. This overload detection will not detect an overvoltage condition when the sensor head's DC
Reject (AC coupling) is enabled. The limits are independent of range and clamp settings.
Common mode rejection
ratio graphs
TIVH Series Measurement System User Manual
Description
Sensor tip cable/adapter
Sensor head input SMA
tip cables
The ability to measure common mode rejection ratios (CMRR) of the IsoVu
system below 100 kHz is limited by the dynamic range of test systems. Due to the
optical isolation of the IsoVu sensor head, the DC CMRR performance of all tip
cables is expected to be greater than 160 dB.
The following figure shows the typical CMRR values for the SMA cable and the
MMCX10x, MMCX50X, and MMCX250X probe tip cables.
Figure 21: Typical CMRR values for 1X SMA cable and MMCX series probe tip cables
Overload indicator On
V
< -25 V or V
> +25 V
in
in
V
≤ (Maximum tip voltage) or V
in
Example: for MMCX10X:
V
≤ 250 V or V
≥ 250 V
in
in
Reference information
≥ (Maximum tip voltage)
in
33
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