Global powerhouses as well as entrepreneurial
start-ups rely on Venable Frequency Response
Analyzers to make their businesses profitable
and competitive.

Software from the Creator
of the K-Factor Technique

Stability Analysis

Easily transfer data between
different types of plots

The only software that has transfer
math function

Venable pioneered the ability to export data to and
from other applications such as Excel and MATLAB

A simple SPICE-like program for modeling the
AC frequency response of circuits


Change sweep parameters during sweep


Driving Innovation
for 37 Years

With proven, versatile tools for power supply design, testing and measurement.



Automotive Design


Computer Technology

Venable Model 8800 Series
Digital Frequency Response Analyzer
The only instrument that can measure
the plant of a digitally-controlled
feedback loop directly and accurately.


Venable Measures

Source/Load Component 10mHz-25MHz
Swept Sine Single Frequency
Mixed Digital/Analog Controllers

Venable Displays

Gain/Phase Magnitude/Phase

Venable Analyzes

Phase Margin Gain Margin Crossover
Frequency Resonant Circuits Pole/Zero
Harmonics Susceptibility PID Modeling
Battery Impedance Modeling

Venable Power Supply Design

PFC Controllers Transformers CM Inductors
Feedback Amplifiers Digital Controllers PID
Loops Electro-Mechanical Systems
Mixed Analog/Digital Systems PLL

Since 1979, Frequency Response Analyzers for Stability Analysis and Power Electronics Performance Testing

integrated isolation proven software functionality scalable modular Z540.1

Why Venable Instruments

The Venable 7400 Series 4-channel FRA is the only FRA that can measure 3-phase impedance. Run tests simultaneously with this robust unit solution. Click here to learn more.

Modular and Scalable

Easily add more power, more channel connections with dozens of upgrade options , while reducing repair costs. Click here for more information.

Frequency Response Analyzers

What is the difference between an oscilloscope and a frequency response analyzer? What are the most common applications for using a frequency response analyzer? Using an FRA for power supply design. How to measure the RLC of a transformer. These and other questions answered here.

High Performance Frequency Response Analyzers

Since 1979, Venable Instruments has been focused on one goal: bringing the most versatile, full-featured frequency response analyzers to customers in industries where precise testing and measurement tools for power supply design is critical. Over 37 years of continual research and development has created the widest range of scalable frequency response analyzers to meet your company’s current requirements, while providing a cost-effective growth path for increased testing functionality.  Venable is a proven leader in aerospace, automotive, energy, defense, computer technology, academia, government research applications and virtually any industry requiring the highest standards in power supply and stability testing for repeatable and accurate results.


Frequency Response Analyzer ModelsRLC Measurement KitInput/Output Impedance Measurement KitBode Boxes – Stability Analysis Software


What Our Customers Say


  • Portability and affordability meet with the new Venable Model 5140 Frequency Response Analyzer (FRA). The Model 5140 is the field engineer’s choice for a robust yet lightweight and durable unit to take to remote sites. More information can be found here...

  • From our Engineering Team to yours. Learn more about Venable Digital and Analog FRAs by viewing our short but informational video....

  • Venable Instrument’s wide range of frequency response analyzers for electronics stability testing and power supply design can be found in our new product catalog. Over 35 years of experience, research and development have made Venable a recognized world leader in aerospace,...

For more information contact 800.262.2522 or 512.949.3100