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Let the Reference period be T. Added delay can be:
0T to 65534T in steps of T
65540T to 655350T in steps of 10T
Bus Access and
Connectors
Front Panel Connectors (BNC) :
Channel 1 Inputs : 50
Ω/75Ω single-ended
1 M
Ω (+)
1 M
Ω (-)
Channel 2 Inputs : as for channel 1
Ext 1 : In : Arm, Trigger
Out: Arm, Trigger, Reference, Ready for Trigger, Pre-Arm Count
Complete
Ext 2 : In : Trigger, Reference
VXI ECLTrig: In: Arm, Trigger, Reference
Out: Arm, Trigger, Reference, Ext 1 BNC signal
VXI TTLTrig: In: Arm, Trigger
Out: Arm, Ready
VME Bus: The HP E1429A can be used as either a VXI Message-Based
or register-based instrument.
Message-Based operation: Uses Standard Commands for
Programmable Instruments (SCPI). This provides easy operation with
an industry-standard programming interface.
Register-Based operation: Registers controlling the hardware
are directly accessible, providing the highest possible throughput,
at the cost of programming effort. Documentation provided
includes descriptive material and "C" source code. Some functions,
such as calibration, can only be performed with the assistance of the
on-board 68000 processor.
Appendix A Specifications 327