Texas Instruments ONET8501P-EV, Руководство пользователя, Страница: 6 / 11

ONET8501P-EV
11.3 GBPS RATE-SELECTABLE LIMITING AMPLIFIER – EVALUATION BOARD
Version 0.4 · October 2007
6
TI CONFIDENTIAL
www.ti.com
Symbol Connector / Jumper Function
DIN+ Non-inverted data input signal SMA connector for non-inverted input data signal. On board AC coupled and
on-chip differentially 100
Ω
terminated to DIN-.
DIN– Inverted data input signal SMA connector for inverted input data signal. On board AC coupled and on-
chip differentially 100
Ω
terminated to DIN+.
DOUT+ Non-inverted data output signal SMA connector for non-inverted output data signal. On board AC coupled and
on-chip 50
Ω
back-terminated to VCC.
DOUT – Inverted data output signal SMA connector for inverted output data signal. On board AC coupled and on-
chip 50
Ω
back-  terminated to VCC.
CALIN+ Non-inverted calibration line input SMA connector for non-inverted calibration line input.
CALIN– Inverted calibration line input SMA connector for inverted calibration line input.
Non-inverted calibration line output SMA connector for non-inverted calibration line output.
CALOUT– Inverted calibration line output SMA connector for inverted calibration line output.
J14 Power supply selection Place a jumper on pins 1 and 2 to select an external power supply through JP1
and JP2. Place a jumper on pins 2 and 3 to use supply through the USB cable.
D7 DIS LED is turned on if the output is disabled.
D8 LOS indicator LED is turned on if the applied input signal level is below the programmed
threshold level.
Table 1: Jumper and Connector Description