VC7203 GTX Transceiver Characterization Board
9
UG957 (v1.0) October 10, 2012
Detailed Description
•
Connector J131 which accepts an ATX hard drive, 4-pin, power plug
•
Jacks J29 (12V) and J28 (ground) (callout
,
)which can be connected to a
bench-top power supply
Caution!
Because jacks J29 and J2
8
provide no reverse polarity protection, use a power supply
with a current limit set at 6A max.
Caution!
Do
NOT
apply 12V power to more than a single input source. For example, do not apply
power to J2 and J131 at the same time.
Power Switch
Main board power is turned on or off using switch SW1 (callout
,
). When the
switch is in the ON position, power is applied to the board and green LED DS11
illuminates (callout
Onboard Power Regulation
shows the onboard power supply architecture.