Samtec BE70A User manual

INSTALLATION
FULL ASSEMBLY TO BOARD
Press-t Nuts Match Pin 1 Indicators Tighten Gradually
Conrm Footprint / Specications
samtec.com?BE70A or samtec.com?BE40A
1. Signal vias are back-drilled
2. PCB pads are hard gold
3. Stiffener plate: Recommended for PCB thicknesses < .093”
1. Unthread the two nuts from
the assembly
2. Press-t the two nuts into the
hardware holes on the bottom
side of the PCB
3. Orient the cable assembly
so the Pin 1 indicator on the
board and cable match
4. Gradually tighten, alternating
between each thumbscrew
5. Torque: 2 in-lbs.
SINGLE CABLE TO BLOCK
To Install
• You will need the supplied tool
• Tool P/N: CAT-EX-SCC-03
• BE70A to 70 GHz: Ideal for testing the latest 112 Gbps PAM4 silicon chips.
• BE40A to 50 GHz: Ideal for testing 56 Gbps PAM4 silicon chips.
To achieve these product advantages, it’s important to properly install
Bulls Eye® assembly to the board.
Board Attach
BE70A & BE40A SERIES
INSTALLATION & REMOVAL
Bulls Eye® Test Assembly
STRIPLINE MICROSTRIP
Align, Insert Cable
1. Align keying on cable and block
2. Insert cable
Insert Tool
3. Insert tool into notch
4. Make sure notch is parallel
to long edge of block
Push Down - Rotate 90o
5. Push down to compress the
spring and rotate 90o
6. Cable is locked when notch is
facing long edge of block
BE40A shown.
Then, continue with board attach.

Replacement components:
Contact Samtec if replacement components are needed.
• 70 GHz, BE70A Components: Block: BE70B Series / Cable: BE70C Series
• 50 GHz, BE40A Components: Block: BE40B Series / Cable: BE40C Series
REMOVAL
REMOVING FULL ASSEMBLY
Loosen Thumbscrews Lift Off PCB
1. Loosen the thumbscrews,
alternating between
each thumbscrew
2. Carefully lift the assembly
off the PCB
REMOVING INDIVIDUAL CABLES
To Remove Insert Tool Push Down - Rotate 90o
samtec.com/BullsEye
March 2022
Contact [email protected] for assistance.
There are a variety of series within Samtec's BullsEye® product family. While the installation/removal
process for these are similar, each have unique specications that need to be observed.
• You will need the supplied tool
• Tool P/N: CAT-EX-SCC-03
1. Insert tool into notch 2. Push down to compress the
internal spring then rotate 90o
3. Release the insertion tool