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Appendix A
Specifications
Appendix Contents
This appendix contains the HP E1429A/B 20 MSa/s 2-Channel Digitizer
operating specifications. Except as noted, the specifications apply under the
following conditions:
• Period: 1 year
• Temperature: 0° - 55° C
• Relative humidity: ≤ 65% @ 0° - 40° C
• Warm up time: 1 hour
References to the Local Bus Interface apply ONLY to E1429B; otherwise,
E1429A and E1429B are identical except as noted. Characteristics given as
"typical”, “nominal”, or "supplemental" are non-warranted; they provide
additional information for application assistance.
NOTE (4.1.2.1) and similar notation refer to sections of "IEEE Standard 1057:
Trial-Use Standard for Digitizing Waveform Recorders", published
July 21, 1989. This document prescribes standard measurement procedures
for several performance characteristics.
NOTE "Full-scale" refers to the entire two-sided range (+ and -) of the A/D, NOT
to the one-sided interpretation customarily used by HP. The usage here
conforms to that defined by IEEE 1057.
Memory
Characteristics
Architecture Equal amounts of memory are dedicated to channel 1 and channel 2.
During measurements, both channels sample simultaneously and send data
to their respective portions of memory. Memory is not dual-ported, and
may not be read while it is being filled. However, data being routed to the
memory may simultaneously be routed to the Local Bus or the VME Bus,
according to their respective speed capabilities.
Appendix A Specifications 317