Tutorial

RF Engineering Tutorials – Step-by-Step Guides for RF Design

Free RF engineering tutorials: impedance matching design, S-parameter analysis, SNP batch processing, Monte Carlo yield simulation, VNA measurement procedures, and more.

How to Design an L-Network Impedance Matching Circuit

Step-by-step guide to designing an L-network impedance matching circuit: calculate se...

How to Read and Use the Smith Chart

Learn to read the Smith chart: locate impedance, trace matching paths, read reflectio...

How to Analyze a Bandpass Filter with S-Parameters

Step-by-step guide to characterizing RF bandpass filters: measure insertion loss, ret...

How to Run Monte Carlo Simulation for RF Yield Analysis

Monte Carlo simulation randomly varies component values within tolerance bounds to pr...

How to Batch Process Touchstone SNP Files

Batch process multiple S-parameter files: convert DB/MA/RI formats, remap ports, resa...

How to Measure Return Loss (S11) with a VNA

Step-by-step guide to measuring S11 return loss with a Vector Network Analyzer: calib...

How to Design a Pi-Network Impedance Matching Circuit

Step-by-step Pi-network (π) impedance matching design: choose Q, calculate three reac...

How to Design a Single-Stub Shunt Matching Network

Single-stub shunt matching transforms device impedance to 50 Ω using a transmission l...

How to Analyze a Cellular Duplexer with S-Parameters

Complete guide to duplexer S-parameter analysis: load 3-port or 4-port file, extract ...

How to Analyze LNA S-Parameters

Step-by-step LNA S-parameter analysis: verify gain (S21), check input/output match, a...

How to Analyze Power Amplifier S-Parameters

PA S-parameter analysis guide: verify S21 gain, design output matching network from S...

How to Convert Touchstone SNP File Formats

Convert Touchstone files between dB-angle (DB), magnitude-angle (MA), and real-imagin...

How to Remap S-Parameter Ports in Touchstone Files

Change port numbering in .s2p or .s4p Touchstone files when VNA port convention doesn...

How to Export SNP Files to CSV

Export Touchstone .s2p files to CSV format for further analysis in Excel, MATLAB, or ...

How to Find the 3 dB Bandwidth from S-Parameters

Three methods to find the 3 dB bandwidth from an S-parameter plot: BW Marker mode, ma...

How to Design a T-Pad RF Attenuator

Design a T-pad (balanced) RF attenuator for any attenuation and reference impedance. ...

How to Verify an Impedance Matching Network

Four methods to verify RF impedance matching network performance: VNA S11 measurement...

How to Plot and Measure Group Delay

Measure group delay from S21 Touchstone files: switch to group delay view, read peak ...

How to Use Delta Markers in RF View

Delta markers measure frequency difference, S-parameter difference, and bandwidth bet...

How to Simulate an RF Circuit in RF View

Step-by-step guide to building and simulating RF circuits in RF View on Android: add ...

How to Evaluate Matching Network Bandwidth

Assess RF matching network bandwidth from S11 plots: read −10 dB bandwidth, relate to...

How to Use RF View Real Match Feature

Real Match automatically substitutes ideal LC values with real Murata SMD inductors a...

How to Read an RF Component Datasheet

Guide to interpreting RF component datasheets: S-parameter plots, S11/S21 specificati...

How to Design a Quarter-Wave Transformer

Step-by-step quarter-wave transformer design: transform real impedance R_L to Z₀ usin...

How to Use a .s2p File as a DUT in RF View Simulator

Step-by-step guide to loading a measured .s2p S-parameter file as a DUT block in RF V...

How to Cascade S-Parameters

How to cascade two-port S-parameter networks: convert to ABCD, multiply matrices, con...

How to Compute VSWR from S11

Convert S11 (dB and phase) to VSWR using the formula VSWR=(1+|Γ|)/(1-|Γ|). Step-by-st...

Converting S-Parameters to Z and Y Parameters

Step-by-step S-parameter to Z-parameter (impedance matrix) and Y-parameter (admittanc...

How to Frequency Resample SNP Files

How to resample Touchstone files to a common frequency grid for overlay comparison an...

How to Extract S2P from S4P Files

Extract individual port-pair S2P files from a 4-port S4P Touchstone file. Procedure f...

How to Check Duplexer TX-to-RX Isolation

Step-by-step procedure to measure and verify duplexer TX-to-RX isolation: extract iso...

How to Measure Q Factor from S-Parameters

Extract Q factor from S-parameter measurements: 3 dB bandwidth method from S21, paral...

Wideband RF Impedance Matching Design

Design wideband impedance matching networks for 5G NR and WiFi: multi-section Chebysh...

How to Perform RF Yield Analysis

RF yield analysis predicts what fraction of manufactured units will meet specificatio...

How to Use Markers in RF View

Guide to all RF View marker modes: Single, Table, Delta, BW Marker, and FN (Flat Nois...

How to Open a Touchstone File on Android

Step-by-step guide to opening Touchstone .s1p .s2p .s3p .s4p files on Android with RF...

Analyzing RF S-Parameters vs Temperature

Analyze RF filter and LNA S-parameters measured at different temperatures. Load multi...

How to Analyze Antenna S11

How to analyze antenna S11: identify resonance frequency, measure VSWR bandwidth, rea...

How to Read an RF Filter Specification Sheet

Interpret RF filter specification sheets: understand passband, stopband, insertion lo...

Substituting Real SMD Components in RF Matching Network

After calculating ideal matching network L and C values, substitute nearest standard ...

How to Resample SNP Files to a Common Frequency Grid

Resample Touchstone files to a common frequency grid for overlay comparison and casca...

How to Check RF Filter Against Specification

Systematically verify all RF filter specifications from S-parameter data: passband IL...

How to Plot S-Parameters on Android – RF View

Step-by-step guide to plotting S-parameter data on Android with RF View: install app,...

How to Design an RF Receive Frontend

RF frontend design guide: select LNA for minimum NF, design input filter for out-of-b...

How to Use Murata SimSurfing for RF S-Parameter Data

Step-by-step guide to using Murata SimSurfing (simSurfing.com) to find and download S...

How to Calculate Loaded Q from S-Parameters

Extract loaded Q factor from filter or matching network S-parameters using 3 dB bandw...

Narrowband Impedance Matching Design

Design narrowband RF matching networks for high-Q, single-frequency applications: GPS...

How to De-Embed a PCB Test Fixture

Step-by-step guide to removing PCB launch and fixture effects from measured S-paramet...

VHF and UHF Impedance Matching Design

RF matching network design at VHF (30–300 MHz) and UHF (300 MHz–3 GHz): component sel...

Impedance Matching Design at 2.4 GHz

Step-by-step 2.4 GHz impedance matching design for WiFi and Bluetooth: component sele...

Impedance Matching Design at 5 GHz

Matching network design at 5 GHz for WiFi 5/6 and 5G NR n41: component limitations (S...

How to Compare Multiple S-Parameter Files

Load 2-8 Touchstone files simultaneously in RF View for vendor comparison, lot variat...

How to Use a Vector Network Analyzer (VNA)

Complete VNA (Vector Network Analyzer) setup and measurement guide: frequency range, ...

How to Analyze a Low-Pass RF Filter

Step-by-step low-pass filter analysis: measure cutoff frequency, insertion loss, stop...

Complete SNP Batch Processing Workflow

Complete RF View SNP batch processing workflow: collect files, standardize formats, r...

Differential to Single-Ended RF Conversion

How to interface differential (balanced) RF circuits to single-ended (50Ω coaxial) sy...

S-Parameter Port Mapping Guide

Port mapping conventions for 2-port, 3-port, and 4-port S-parameter files. How to ver...

Touchstone Format Conversion Guide

Complete guide to converting Touchstone files between DB (dB+angle), MA (magnitude+an...

Real Component Substitution for RF Matching Networks

After Auto Match synthesis, substitute ideal L/C with real Murata/TDK SMD components....

Monte Carlo Yield Prediction for RF Manufacturing

Predict RF matching network manufacturing yield using Monte Carlo simulation. Set com...

Impedance Matching Bandwidth Design Guide

How to specify, design, and verify RF matching network bandwidth. Q-BW relationship, ...

How to Compute Cascaded Noise Figure

Step-by-step Friis formula application for cascaded RF noise figure: convert dB to li...

Wideband RF Matching Network Design

Design wideband RF impedance matching networks for 5G (500 MHz BW) and WiFi: stepped ...

Adding Matching Elements to DUT in RF View Simulator

Step-by-step guide to building a matching circuit around a DUT S2P block in RF View: ...

How to Analyze Balun S-Parameters

Step-by-step balun analysis: verify amplitude balance (|S21|=|S31| within ±0.5 dB), p...

How to Analyze LNA S-Parameters

Complete LNA S-parameter analysis: verify gain (S21) and flatness, check input and ou...

Complete RF View S-Parameter Plotting Walkthrough

Complete walkthrough of RF View S-parameter plotting on Android: install app, open .s...

RF Matching Design at 24 GHz K-Band

Impedance matching design at 24 GHz K-band: transition from lumped to distributed ele...

RF Matching Design for WiFi 6E (6 GHz)

Design impedance matching networks for WiFi 6E (6 GHz) frontends: 0201 SMD components...

Measuring Port Isolation with a VNA

Measure port isolation between TX and RX paths in duplexers, switches, and couplers u...

Minimizing RF PCB Trace Insertion Loss

Reduce RF PCB trace insertion loss: choose low-loss substrate (Rogers vs FR4), minimi...

T-Network Impedance Matching Design

T-network (series-shunt-series) impedance matching design: choose Q, calculate three ...

Practical VNA Tips for RF S-Parameter Measurements

Practical VNA measurement tips for RF engineers: calibration at the correct reference...

Computing VSWR from S11

Convert S11 dB readings to VSWR using formula VSWR=(1+|Γ|)/(1-|Γ|). Manual calculatio...

S-Parameter De-embedding: Removing Fixture Effects

Learn how to de-embed test fixture effects from S-parameter measurements using open/s...

RF PCB Layout Best Practices for Microwave Circuits

RF PCB layout guidelines: ground plane rules, via placement, transmission line routin...

Extracting Equivalent Circuit Models from S-Parameters

Step-by-step guide to extracting lumped element equivalent circuit models from S-para...

RF View Smith Chart: Complete Tutorial

Step-by-step tutorial for using RF View's Smith chart display. Learn to read impedanc...

RF Gain Flatness and Ripple Analysis

Understand gain flatness specifications, ripple measurement techniques, and how to qu...

Return Loss Bridge: Measuring S11 Without a Full VNA

Learn how a return loss bridge measures reflection coefficient and S11 using a direct...

Free RF Engineering App for Android

S-parameter analysis, Smith chart, impedance matching, circuit simulation and SNP batch processing — all free on Android.

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Android 6.0+ · Free · No sign-up required