Electronic Design

Bob Zollo

Product Planner, System Products Division, Electronic Measurements Group

Agilent Technologies

Email author_contact@electronicdesign.com

Bob Zollo is product planner in the System Products Division of Agilent Technologies’ Electronic Measurement Group. Bob has been with Agilent since 1984 and is responsible for Agilent’s power products roadmap. He holds a degree in electrical engineering from Stevens Institute of Technology, Hoboken, NJ.

Articles by Bob Zollo

Do You Have Enough AC For Your DC? 2

When you need 2000 W of dc power for your testing, you may not think too much about where it will come from. But in the U.S., when operating from the typical and ubiquitous 120-V ac outlet, you might not get enough power off the ac line to generate 2000 W or even 1000 W out of your dc power supply.

What Is An Autoranging Power Supply?

Autoranging power supplies, sometimes simply called autorangers, are designed to provide a greater range of operation than a typical supply. If the maximum volts times maximum amps is greater than maximum watts, you have an autoranger.

Expect More Energy Harvesting To Power Wireless Sensors In 2013

Bipolar Power Supplies Run The Voltage Gamut

Agilent's Bob Zollo discusses the varieties of bipolar power supplies for circuit testing applications and their advantages and disadvantages.

Turn Positive Voltages Negative With Relays

In some applications, it’s necessary for the voltage to be positive for some parts of the test and negative for others. Agilent's Bob Zollo reviews considerations for using relays to switch isolated power supplies during testing.

Conquer The Challenges Of High-Current Pulses

Maintaining your bench supplies' output voltage in the face of rapidly changing or pulsed current draws is a stiff challenge. Agilent's Bob Zollo has some thoughts on how to solve the problem.

If Your Power Supply Needs Fast Rise And Fall Times, Try A Down-Programmer

When your bench supply's capacitors are all charged up with nowhere for that charge to go, an active down-programmer is a handy technique that brings rise and fall times back into a viable range.

Smart, Green Power Drives Changes In T&M Power Supplies

Agilent's Bob Zollo discusses how the green movement in the industry impacts power supplies used in testing applications.

Powering Multiple DUTs In Parallel? Consider Individual Supplies

Agilent's Bob Zollo explains why you're better off powering multiple devices under test with individual supplies vs. one big supply.

Find The Right Battery To Achieve The Right Runtime On Your Wireless Devices

Choosing the right battery for a mobile wireless device isn't as easy as you might think. Agilent's Bob Zollo takes you through the process of specifying a battery and testing to ensure it does the job.

Sequence Your Power-Supply Outputs To Ensure Performance

Lab power supplies provide a number of ways in which outputs can be sequenced so as to power up a DUT in proper order. Agilent's Bob Zollo takes you through the options.

Remote Sensing Improves Voltage Sourcing at High Current

In his inaugural Power On column, Agilent Technologies' Bob Zollo takes you through the basics of remote sensing for benchtop power supplies, including its drawbacks and limitations.