fe65-p2 adapter revb - twiki.cern.ch€¦ · fe65-p2 adapter card rev. b user guide - may 6th 2016...

UNIVERSITY OF CALIFORNIA

Timon Heim - LBNL

FE65-P2 Adapter Card rev. B

User Guide - May 6th 2016

1

Timon Heim 2 FE65-P2 Adapter Card

Disclaimer

• The following presents a default setup of the boards bandits features.

• There are known issues with this revision, see at the end of these slides.

• Refer to the schematic for more details.

• Instead of a vertical PCIe header a right angled one can be mounted!

Timon Heim 3 FE65-P2 Adapter Card

Connections

VHDCI to YARR

External Injection input

External Iref input

Micro USB for Power (5V)

Molex for VDDA & VDDD

FE65-P2 SCC connector

Sensor Bias3.3V CMOS debug header

LVDS debug header

1 2

3 4

1 = VDDA2 = VDDD3 = GND4 = GND

Timon Heim 4 FE65-P2 Adapter Card

Jumper

Switch between internal & external injection source

Switch between internal & external reference current

Switch between internal & external

VDDA/VDDD

Short VSSA to GND

Short HV return to GND

Timon Heim 5 FE65-P2 Adapter Card

General layout

LVDS to CMOS CMOS level

shifter

IRefPulser

LDOs

LVDS buffer

LVDSdriver

Timon Heim 6 FE65-P2 Adapter Card

Settings

• Minimum

• 5V via micro USB

• Jumper set to INT for INJ, IREF, VDDA and VDDD

• Recommended:

• 5V via micro USB

• 1.2 V VDDA & VDDA via Molex

• External IREF

• Internal INJ

Timon Heim 7 Meeting Name

IssuesCurrent mirror sources

current. Need to connect Iref calib. resistors to

VDDA!

DAC CS signal also used to load register. Pin can not be

connected to GND (bend away) and needs to be connected to a

specific pin of the VHDCI connector.

1.2V LED will not light up, as forward voltage is not

high enough.