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Caliber Interconnect Solutions (Pvt) Ltd No 6 ,1st Street Gandhi Nagar, Kavundampalayam, Coimbatore-30. Tamil Nadu, India. www.caliberinterconnects.com
Caliber Interconnect Solutions
Design for perfection
1
SI & PI Simulation
Case studies
EVALUATION BOARD WITH DDR4
• 20 Layers Evaluation Board. • Dielectric material : FR4 High Tg. • 50Ohm for SE and 100Ohm for
Differential signals. • Datarate = 1600 Mbps • Post Layout Simulation done for
PKG+PCB. • DDR4 Data signals simulated
with different DSE and ODT condition.
• Eye mask is verified according to JEDEC DDR4 Standard.
• Ansys Siwave and Ansys Designer tool are used.
DDR4 SIGNALS
BLOCK DIAGRAM
2
Caliber Interconnect Solutions Pvt Ltd
10G SERDES SIMULATION FOR APPLICATION BOARDS
• SERDES Signals are connected from Board1 Processor to Optical PCB through backplane and connectors.
• Dielectric material : Nelco 4000-7 SI for all PCBs.
• Data rate =10Gbps
• Post Layout Simulation is performed with with IBIS AMI model.
• Delivered AMI Equalization parameters to customer.
• Ansys Siwave and ADS tools are used.
BEFORE AMI EQUALIZATION AFTER AMI EQUALIZATION
3
Caliber Interconnect Solutions Pvt Ltd
93k TEST BOARD POWER SIMULATION
• 39 Layers 93k Test Board.
• Dielectric material : FR4 High Tg.
• Post Layout Voltage drop and Power impedance Simulation done for power nets in the layout.
• Layout is modified to achieve specification.
• Delivered Bulk and Decap Capacitors details.
• Cadence Sigrity Power DC is used for DC Analysis and OptimizePI is used for Capacitors optimization.
DC ANALYSIS RESULTS AFTER LAYOUT MODIFICATION
DC ANALYSIS RESULTS BEFORE LAYOUT MODIFICATION
93k Test Board Layout view Voltage distribution plot
4
Caliber Interconnect Solutions Pvt Ltd
28Gbps LOOPBACK SIMULATION
• 22 Layers board.
• Dielectric material : NELCO-13SI
• 100Ohm controlled impedance for Differential pairs.
• Data rate =28Gbps
• Post Layout Simulation using 3D solver for more accurate result.
• Delivered optimized via structure for improved results.
• Ansys HFSS and Ansys Designer tools are used.
TX & RX Simulation in HFSS
Loop-back Topology
Insertion & Return Loss for 28G Loopback Channel
5
Caliber Interconnect Solutions Pvt Ltd
M/S Caliber Interconnect Solutions Pvt Ltd
No.6, 1st Street, Gandhi Nagar
Kavundampalayam, Coimbatore - 30, TN, India.
Phone: 91 – 422 – 2448557.
www.caliberinterconnects.com
Contact Details
Caliber Interconnect Solutions Pvt Ltd 6
7
Coimbatore No 6, 1st Street, Gandhi Nagar Kavundampalayam, Coimbatore - 641030, Tamilnadu, India. Directline: +91 422 2448557 Fax: +91 422 2448557
Chennai 157, First Floor, 10th Cross Street, C.L.R.I. Nagar, Neelankarai, Chennai - 600041, Tamilnadu, India. Phone:+91 82200 45099
Bangalore No.362,12th Main Road, Hosur Sarjapur Road, Sector-5, HSR Layout, Bangalore –560 103, Karnataka, India. Directline: +91 80 25535420
JAPAN
Mr.Kimiaki Tanaka, 1-12-15 Ogikubo, Suginamiku, Tokyo 167- 0051, Japan, Phone: +81-3-6321-8051
USA 4647, Carmen Ct, Union City-94857, California ,USA Phone: 510-709-0750
Our Locations
Caliber Interconnect Solutions Pvt Ltd
INDIA
THANK YOU !!!
Contact us [email protected]
Visit us at www.caliberinterconnects.com
Caliber Interconnect Solutions Pvt Ltd 8
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