文件名称：virtuoso spectre RF tools lecture manual
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更新时间：2013-10-29 05:15:28
spectre RF
Table of Contents Virtuoso Spectre RF Tools 清晰版 Module 1 Introduction There are no labs for this module. ..... 1-1 Module 2 PSS and Swept PSS Analysis Lab 2-1 Getting Started ..... 2-1 Logging In...... 2-1 Starting Cadence Software................. 2-1 Lab 2-2 Running a Voltage Conversion Gain Simulation ...... 2-3 Opening the ne600 Schematic ........... 2-3 Editing the Port Symbols . 2-5 Setting Up the Simulation Environment.............. 2-8 Setting Up the Default Plot Output.. 2-10 Setting Up the PSS Simulation ........ 2-11 Verifying the Fundamental (Beat) Frequency ... 2-12 Running the PSS Simulation............ 2-14 Lab 2-3 Displaying the Voltage Conversion Gain ................ 2-16 Using Direct Plot—Method 1 ......... 2-16 Using Direct Plot—Method 2 ......... 2-19 Lab 2-4 Running a 1 dB Compression Point Simulation ...... 2-23 Setting Up for Swept PSS................ 2-23 Setting the Analysis Options............ 2-24 Plotting the 1 dB Compression Point................. 2-26 Module 3 PAC Analysis Lab 3-1 Running a PAC Conversion Gain Simulation ........... 3-1 Setting Up the Simulation Environment.............. 3-5 Setting Up the PSS Simulation .......... 3-6 Setting Up the PAC Simulation ......... 3-8 Running the PSS Simulation Followed by PAC 3-10 Plotting the Conversion Gain........... 3-11 Running and Plotting PAC Results with Real Frequency Values ....... 3-14 Lab 3-2 Running a Swept Small-Signal IP3 Simulation ....... 3-18 Modifying the RF Port Parameters for an IP3 Simulation... 3-18 Setting Up the Swept PSS Simulation ............... 3-19 Setting Up the Single Point PAC Simulation .... 3-21 Running a PSS Sweep Simulation Followed by PAC......... 3-23 Plotting the IP3 Curve.... 3-24 Module 4 PXF Analysis Lab 4-1 RF Conversion Gain Simulation.............. 4-1 Modifying the RF Port Parameters for PXF Analysis ........... 4-1 Setting Up the Simulation Environment.............. 4-4 Setting Up the PXF Simulation ......... 4-4 Running the PSS Simulation Followed by PXF .. 4-9 Plotting the RF to IF Conversion Gain ................ 4-9 Running and Plotting PXF Results with Real Frequency Values........ 4-11 Lab 4-2 Power Supply Rejection....... 4-13 Plotting the Power Supply Rejection ................. 4-13 Module 5 PNoise Analysis Lab 5-1 Noise Figure and Output Noise Analysis 5-1 Setting Up the Simulation Environment.............. 5-5 Running the PSS Simulation Followed by PNoise................ 5-9 Plotting the Output Noise and Noise Figure........ 5-9 Lab 5-2 Printing the Noise Summary Report ...... 5-13 The Noise Summary Report ............ 5-13 Lab 5-3 Running a PSS/PNoise Analysis on a Tunable Oscillator ..... 5-15 Oscillator Notes ............. 5-15 Opening the Oscillator Schematic ... 5-16 Setting Up the Simulation Environment............ 5-17 Setting Up the PSS and PNoise Simulation....... 5-18 Running PSS and PNoise Simulation ................ 5-23 Plotting the Simulation Results........ 5-23 Table of Contents Virtuoso Spectre RF Tools Lab 5-4 Calculating Time-Varying Instantaneous Noise Power......... 5-28 Opening the Design ....... 5-28 Setting Up the Simulation Environment............ 5-29 Setting Up the PSS Analysis............ 5-29 Setting Up the PNoise Analysis....... 5-31 Running the PSS Simulation Followed by PNoise.............. 5-34 Plotting Time Domain Noise Results ................ 5-35 Calculating Time-Varying Noise Power............ 5-36 Module 6 Periodic S-Parameter (PSP) Analysis Lab 6-1 Periodic S-Parameter (PSP) Analysis ...... 6-1 Setting Up the Simulation Environment.............. 6-5 Setting Up the PSS Simulation .......... 6-6 Setting up the PSP Analysis............... 6-8 Running the Simulation . 6-11 Plotting the Noise Figure ................. 6-11 Plotting Different Types of Noise Figure .......... 6-13 Plotting Gain 6-14 Plotting Periodic S-Parameters ........ 6-16 Module 7 QPSS Analysis Lab 7-1 Running Simulation with QPSS .............. 7-1 Modifying RF Port Parameters for QPSS Analysis............... 7-1 Setting Up the Simulation Environment.............. 7-4 Setting Up the QPSS Simulation ....... 7-5 Selecting Outputs for Current and Power Plots ... 7-7 Changing the RF Input Power ........... 7-8 Running the QPSS Simulation......... 7-10 Plotting Simulation Results Using WaveScan... 7-10 Plotting Power................ 7-16 Lab 7-2 Simulating IP3 QPSS Intermodulation Distortion... 7-19 Modifying the RF Source in the Schematic....... 7-19 Setting Up and Running the QPSS Sweep Simulation ........ 7-21 Running the Swept QPSS Simulation................ 7-23 Displaying the IP3 Plot .. 7-24 Module 8 QPAC Analysis There are no labs for this module. ..... 8-1 Module 9 QPAC & QPXF Analysis Lab 9-1 QPSS Analysis with Small Signal QPAC and QPXF Analyses .. 9-1 Opening the mixer2 Schematic.......... 9-1 Setting Up the Simulation Environment.............. 9-3 Editing Design Variables . 9-4 Setting Up the QPSS Simulation ....... 9-5 Setting Up the QPAC Simulation ...... 9-6 Setting Up the QPXF Simulation....... 9-8 Running the Simulation . 9-10 Plotting the Results ........ 9-11 Plotting Isolation Curves ................. 9-14 Lab 9-2 Running QPSS with QPAC and QPXF Analyses.... 9-16 Setting Up the Simulation................ 9-16 Running the Simulation . 9-17 Plotting the Results ........ 9-17 Plotting the QPXF RF to IF Transfer Function vs. Input Frequency .. 9-21 Plotting the LO Leakage at the IF Output.......... 9-22 Module 10 QPNoise Analysis Lab 10-1 QPSS Analysis with a Small-Signal Noise Analysis QPNoise . 10-1 Editing the Schematic .... 10-1 Setting Up the Simulation Environment............ 10-7 Setting Up the QPSS Simulation ..... 10-8 Setting Up the QPNoise Simulation 10-9 Editing the Design Variable........... 10-11 Saving Simulation Outputs ............ 10-12 Running the Simulation ................. 10-13 Plotting the Voltage and Power ..... 10-13 Plotting Power.............. 10-17 Plotting the Noise Figure ............... 10-18 Table of Contents Virtuoso Spectre RF Tools Module 11 QPSP Analysis Lab 11-1 QPSS Analysis with a Small Signal S-Parameter Analysis QPSP 11-1 Editing the Schematic .... 11-1 Setting Up the Simulation Environment............ 11-5 Setting Up the QPSS Simulation ..... 11-6 Setting Up the QPSP Simulation ..... 11-8 Running the QPSS Simulation Followed by QPSP........... 11-11 Plotting the Results ...... 11-12 Module 12 Envelope Following Analysis Lab 12-1 Envelope Following Analysis and ACPR................ 12-1 Setting Up the Simulation Environment............ 12-2 Setting Up the ENVLP Simulation.. 12-2 Running the Envelope Following Simulation.... 12-4 Viewing the Envelope Following Results ......... 12-4 Lab 12-2 Following the Change in the Information (Baseband Signal) Through the Circuit....... 12-8 Plotting the Complete Baseband Signal........... 12-15 Plotting the Baseband Trajectory... 12-17 Lab 12-3 Plotting the Adjacent Channel Power Ratio .......... 12-20 Module 13 S-Parameter Analysis Lab 13-1 S-Parameter Analysis and Plotting ........ 13-1 Reviewing the twa3b Schematic...... 13-1 Setting Up the Simulation Environment............ 13-2 Setting the Path to the S-Parameter Data Files .. 13-3 Choosing Analyses ........ 13-3 Simulating The Design .. 13-6 Viewing Simulation Results with Direct Plot.... 13-6 Plotting the Gain of the Circuit........ 13-9 Plotting VSWR and Gain............... 13-10 Plotting S11 and S22 on a Smith Chart ........... 13-12 Lab 13-2 Plotting Stability Circles .... 13-15 Setting Up the Design .. 13-15 Setting Up the Simulation Environment.......... 13-16 Setting the Path to the S-Parameter Data File.. 13-17 Choosing Analyses ...... 13-18 Running the Simulation ................. 13-20 Viewing Simulation Results with Direct Plot.. 13-21 Lab 13-3 Simulating Linear Two-Port Noise...... 13-25 Setting Up the Design .. 13-25 Setting Up the Simulation Environment.......... 13-27 Choosing Analyses ...... 13-27 Running the Simulation ................. 13-29 Viewing Simulation Results with Direct Plot.. 13-30 Lab 13-4 Comparing Measured Data to Simulation Data with a Schematic Model. 13-38 Setting Up the Design .. 13-38 Setting Up the Simulation Environment.......... 13-39 Setting the Path to the S-Parameter Data File.. 13-40 Choosing Analyses ...... 13-40 Simulating with Measured S-Parameter Data.. 13-42 Viewing Simulation Results with Direct Plot.. 13-42 Saving the Simulation Results ....... 13-44 Lab 13-5 Simulating with a Schematic Model.... 13-45 Setting the Schematic Model ......... 13-45 Choosing Analyses ...... 13-48 Simulating the ATF26100opt Component....... 13-49 Using the Direct Plot Tool to Compare Simulation Results................ 13-49 Lab 13-6 Tabulated S-Parameters in the Virtuoso Spectre RF Environment ........... 13-52 Reviewing the tab_sp_test Schematic ............. 13-52 Setting Up the First Simulation ..... 13-53 Simulating the tab_sp_test Schematic ............. 13-55 Plotting the Results ...... 13-55 Reviewing the tab_sp_test2 Design................. 13-58 Setting Up the Second Simulation . 13-60 Simulating the tab_sp_test2 Schematic ........... 13-62 Plotting the Results ...... 13-62