---
title: Venable Instruments Blog | Ford Mays
description: Insights and perspective about testing and measurements using Frequency Response Analyzers from Venable Instruments.  Topics include feedback loops, phase and gain margins, load impedance, stability and bode plots.
---

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# Our Blog

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*By Ford Mays - June 23, 2025*

#### The Ins and Outs of System Level Input/Output Impedance Measurements

The interest in system level source and load impedance measurements is growing as we see more...

[Read More](https://www.venableinstruments.com/blog/impedance-measurements)

![iStock-157336072](https://www.venableinstruments.com/hs-fs/hubfs/Web%20Images/iStock-157336072.jpg?width=150&name=iStock-157336072.jpg)

#### Distributed Power: What Causes These Systems to Oscillate

Distributed power systems can oscillate, especially when driving one power supply with another power supply. Download this white paper to learn what causes distributed power systems to oscillate and how you can prevent oscillation.

[![Download White Paper](https://hubspot-no-cache-na2-prod.s3.amazonaws.com/cta/default/4867466/c465cf6b-2e2f-4e22-815a-9cfde777e54f.png)](https://hubspot-cta-redirect-na2-prod.s3.amazonaws.com/cta/redirect/4867466/c465cf6b-2e2f-4e22-815a-9cfde777e54f)

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*By Ford Mays - January 14, 2025*

#### Slow Sweep at Low Frequency

](https://www.venableinstruments.com/blog/slow-sweep-low-frequency)

[

*By Ford Mays - November 12, 2024*

#### Voltage Injection Scalability for High Current Impedance Measurements

](https://www.venableinstruments.com/blog/voltage-injection-scalability)

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*By Ford Mays - October 02, 2024*

#### Impedance Measurements to avoid Power Bus Oscillations

](https://www.venableinstruments.com/blog/system-level-impedance)

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*By Ford Mays - August 20, 2024*

#### Measuring a Modulator Transfer Function

](https://www.venableinstruments.com/blog/measuring-modulator-transfer-function)

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*By Ford Mays - April 26, 2024*

#### Venable Training - Synthesis and Simulation

](https://www.venableinstruments.com/blog/synthesis-simulation-training)

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*By Ford Mays - April 18, 2024*

#### The Venable Advantage

](https://www.venableinstruments.com/blog/venable-advantage)

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#### About Venable

Venable provides scalable energy storage and power systems test solutions for precise voltage, current, and frequency measurements, partnering with engineers to ensure battery and power systems around the world will meet stringent field performance demands. 

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[![Venable Training - Stabilizing Power Supply Control Loops](https://www.venableinstruments.com/hubfs/Venable%20Training%20Front%20Image.jpg)

**Venable Training - Stabilizing Power Supply Control Loops**

 20 August 2025 

](https://www.venableinstruments.com/blog/stabilizing-power-supply-control-loops) [![The Ins and Outs of System Level Input/Output Impedance Measurements](https://www.venableinstruments.com/hubfs/Imput%20Impedance%20Test%20Set%20UP.jpg)

**The Ins and Outs of System Level Input/Output Impedance Measurements**

 23 June 2025 

](https://www.venableinstruments.com/blog/impedance-measurements)

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Venable Instruments

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Austin, TX 78735  
Office: 512-949-3100  
Fax: 512-949-3151