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11.3 Gbps Rate-Selectable Limiting Amplifier Evaluation Board
FEATURES ________________________________________________________________________
•
Easy to use Evaluation Board for 11.3Gbps
Limiting Amplifier ONET8501P
•
Easy Device Programming with USB to I2C
Interface
•
GUI to Control Functionality
GENERAL DESCRIPTION ____________________________________________________________
The ONET8501P-EV evaluation board is designed
for easy quick-test as well as comprehensive
evaluation of the ONET8501P 11.3Gbps rate-
selectable limiting amplifier.
This fully assembled and factory tested evaluation
board allows complete validation of all device
functions.
For optimum performance, the board is equipped
with 50Ω SMA connectors and well-controlled 50Ω
impedance microstrip transmission lines.
In order to account for measurement inaccuracies
caused by inevitable line loss, calibration lines are
provided, consisting of the same type of SMA
connectors and microstrip transmission line layout.
Using the GUI, the bandwidth, output amplitude,
output pre-emphasis, input threshold voltage (slice
level) and the loss of signal assert level can be
adjusted.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments
semiconductor products and disclaimers thereto appear at the end of this data sheet.
11.3 GBPS RATE SELECTABLE LIMITING AMPLIFIER – EVALUATION BOARD
TI CONFIDENTIAL
•
Includes Calibration Path
•
Fully Assembled and Tested
Figure 1: ONET8501P-EV Evaluation Board.
1
ONET8501P-EV
Version 0.4 · October 2007
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Summary of Contents for Texas Instruments ONET8501P-EV
- Page 1 Figure 1: ONET8501P-EV Evaluation Board. Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appear at the end of this data sheet. TI CONFIDENTIAL...
- Page 2 ONET8501P-EV 11.3 GBPS RATE-SELECTABLE LIMITING AMPLIFIER – EVALUATION BOARD Version 0.4 · October 2007 www.ti.com EV BOARD SCHEMATIC DIAGRAM ____________________________________________________ The EV board schematic diagram is given in Figure 2 Signal Path and Control Circuitry Supply Filtering and Calibration Lines...
- Page 3 ONET8501P-EV 11.3 GBPS RATE SELECTABLE LIMITING AMPLIFIER EVALUATION BOARD Version 0.4 · Revised October 2007 www.ti.com USB Interface Figure 2: ONET8501P-EV Evaluation Board Schematic PRODUCT PREVIEW information concerns © Copyright 2003, Texas Instruments Incorporated products in the formative or design phase of development.
- Page 4 DOUT-. please refer to the ONET8501P data sheet. The ONET8501P-EV is set-up for full control and monitoring through the two-wire interface. Manual control of such features as external rate selection and output disable can be done by cutting traces at...
- Page 5 ONET8501P-EV 11.3 GBPS RATE-SELECTABLE LIMITING AMPLIFIER – EVALUATION BOARD Version 0.4 · October 2007 www.ti.com JUMPER AND CONNECTOR LOCATION AND DESCRIPTION The location of all connectors and jumpers are shown Follow the guidelines in the measurement setup in Figure 3 below.
- Page 6 ONET8501P-EV 11.3 GBPS RATE-SELECTABLE LIMITING AMPLIFIER – EVALUATION BOARD Version 0.4 · October 2007 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 100Ω terminated to DIN-.
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Page 7: Measurement Setup
ONET8501P-EV 11.3 GBPS RATE-SELECTABLE LIMITING AMPLIFIER – EVALUATION BOARD Version 0.4 · October 2007 www.ti.com MEASUREMENT SETUP Follow this procedure quickly setup 7. Apply a +3.3V supply to the +3.3V banana measurements. The board is pre-set for open loop jack and the supply ground to the GND operation. - Page 8 ONET8501P-EV 11.3 GBPS RATE-SELECTABLE LIMITING AMPLIFIER – EVALUATION BOARD Version 0.4 · October 2007 www.ti.com Figure 4: ONET8501P GUI Figure 5: ONET8501P I2C Diag Page TI CONFIDENTIAL...
- Page 9 ONET8501P-EV 11.3 GBPS RATE-SELECTABLE LIMITING AMPLIFIER – EVALUATION BOARD Version 0.4 · October 2007 www.ti.com Figure 6: Output Eye-Diagram at 10.3125Gbps, Highest Bandwidth Setting and 600mVpp Output Setting with 10mVpp, 2 -1 PRBS Input Figure 7: Output Eye-Diagram at 10.3125Gbps, Highest Bandwidth Setting...
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Page 10: Revision History
ONET8501P-EV 11.3 GBPS RATE-SELECTABLE LIMITING AMPLIFIER – EVALUATION BOARD Version 0.4 · October 2007 www.ti.com REVISION HISTORY Rev # Date Description Author 02/22/2007 Initial Draft. Alex Davidson 02/26/2007 Added GUI interface Fig. 4 and changed Fig. 5 A. Davidson 02/28/2007 Updated Figures 4 and 5 A. -
Page 11: Important Notice
IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications, enhancements, improvements, and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete.
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