Time Domain Verification-Broadband Spice

1. 1
Time Domain Verification-Broadband Spice
Jian Guan
Software Engineer
Cadence Sigrity R&D US
4/17/2018

2. 2
Broadband Spice Workflow
Time Domain Verification

3. 3
TD Verification & Circuit Model Generation
Broadband Spice
(1) Step/Pulse Response
(2) TDR/TDT
(3) Circuit Model Generation
(4) Passivity Enforcement

4. 4
0.1 mm
(mm)
Example: one trace
Simulation frequencies: 10 MHz – 2 GHz
Impedance: around 50 Ohm
1. Obtain S parameters by model extraction tools
2. Load S parameters into Broadband Spice
3. Circuit model generation, time domain verification

5. 5
Setups in Broadband Spice
1. Go to workflow of FD Checking,
Tuning, Extraction and TD Checking
2. Load original S parameter
3. TD results

6. 6

7. © 2017 Cadence Design Systems, Inc. All rights reserved worldwide. Cadence, the Cadence logo, and the other Cadence marks found at www.cadence.com/go/trademarks
are trademarks or registered trademarks of Cadence Design Systems, Inc. All other trademarks are the property of their respective owners.