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Appendix A: Specifications
VX4101A MultiPaq Instrument User Manual
A–9
Table A–20: Arm Characteristics
Characteristic Description
Arm Sources VXI TTL Trigger lines, front panel arm, Channel 2, DMM, SurePath, Software, and an
internal timer
Arm Start/Stop Except for channel 2, the arm can be a level or a pulse to start and a second pulse to
stop. The start and stop pulses may be different sources. Channel 2 is high speed arm
that is a level
Front Panel Arm Polarity Positive or Negative
Threshold Programmable
Measurement Time-out Programmable time-out to abort measurements in case no input signal is present
Table A–21: Channel 1 and 2 Trigger Level
Characteristic Description
Trigger Level Range ±4 mV to±225 V
Trigger Level Accuracy For DC or 1 kHz 100 MHz:
Resolution: 0.2 mV * (Gain/Attenuation)
Error =±7.5% of setting ±25mV *Attenuation
Table A–22: Channels 1 and 2 Autotrigger
Characteristic Description
Auto Trigger Range Same as user selected for continuous waveforms v 1 kHz
Table A–23: Front Panel Connectors
Characteristic Description
Connector Types BNC (Ch1, Ch2), SMA (Ch3), SMB (Arm)