Featured Insights
The Challenge of Measuring a 40 µohm, 2000 Amp PDN With a 2-Port Probe: How Much CMRR is Needed?
Benjamin Dannan, Signal Edge Solutions and Steve Sandler, Picotest Published in Signal Integrity Journal A two-part series of posts, firstly determining how much CMRR is needed…
Picotest Pocket TDR Fills Important Niche
A time domain reflectometer (TDR) is generally a large, expensive benchtop instrument that measures impedance, PCB coupons, dielectric constants, PCB signal traces, interconnects, connectors,…
Picotest Releases Line of High-Speed Transient Load Steppers for VRM and PDN Validation
In a major technological leap, Picotest, maker of custom test equipment for power integrity and power systems testing, has released a series of very…
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FAQ #7
How do I choose between the J2100A, J2101A and J2110A? If you plan to measure PFC’s, then the J2100A is a good choice, whereas…
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FAQ #6
Why do I need the J2111A if I already have an electronic load? The J2111A is not the same as an electronic load. In…
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FAQ #5
How do I get a Bode plot with the J2111A? It is not possible to get a Bode plot using this method, only the…
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FAQ #4
Does the J2120A Line Injector work with negative supplies No. The J2120A is only for positive supplies and we do not currently offer a…
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FAQ #3
What is so special about an injection transformer and why should I buy one, it is pretty expensive? A good injection transformer has high…
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FAQ #2
I see that with the J2111A can perform the “non-invasive stability” measurement. I don’t understand what we can take away about stability from this…
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FAQ #1
I would like to measure output impedance using the J2111A Current Injector, but the 25mA offset is way above my typical operating current. Why…