Appendix C — EA21 Imager
104 ED40 Decode Board Integration Guide
EA21 + ED40 Inrush Currents
This section provides inrush currents for an EA21 imager used with the ED40
decode board. The information is divided in to 2 sections depending on the
interface used:
• RS-232 cable
• USB cable
Using an RS-232 Cable
Power-Up with Vcc Inrush Current
EA21 + ED40 Power-Up with Vcc Inrush Current (RS-232): Power enable and trigger low.
Note: Inrush currents vary depending on many parameters. The graphs in this
section are measurements used to indicate approximate values.
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