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…
-
Calibration, Embedding & De-Embedding – Achieving Highly Accurate Impedance Results
OMICRON Lab hosted their 14th Power Analysis & Design Symposium – April 9th, 2025 Watch Steve Sandler discussing how to achieve Highly Accurate Impedance…
-
Power Supply Measurement Techniques Instructional Videos: PSRR Measurement using the J2120A Line Injector
The instructional video demonstrates the PSRR measurement of a voltage regulator using the Picotest J2120A Line Injector and also discusses what the measurement represents.…
-
Step-by-Step Guide to Measuring PSRR Using a Network Analyzer and the Line Injector
This application note shows how the Power Supply Rejection Ratio, or PSRR, of a linear voltage regulator (LM317) can be measured using the Picotest…
-
FAQ #17: Does the J2110A Bode Box accept both +12V and -12V power supply at the same time?
Does the J2110A Bode Box accept both +12V and -12V power supply at the same time? I saw only one red banana jack and…
-
Making Invasive and Non-Invasive Stability Measurements Using the Bode 100 and the PICOTEST J2111A Current Injector
The Picotest J2111A Current Injector, together with the Bode 100, allows direct measurement of the output impedance, group delay and Q of the system.…
-
Measuring LDOs requires more bandwidth than you think
Most electronic systems contain at least one voltage regulator, with many systems requiring several regulators, each providing a different voltage. The performance of these…
-
Why Network Analyzer Signal Levels Affect Measurement Results
When measuring a circuit or device with our network analyzers, engineers generally inject a signal and believe that the measured results reflect that of…
-
Signal Injection Transformers – What makes them special?
In this article we’ll take a look at what makes the signal injection transformer special, why an audio or video transformer is not a…
-
Deconstructing the Step Load Response Reveals a Wealth of Information
What can be learned from the Step Load response and why we should care? When analyzing power circuits, engineers routinely evaluate the stability using…
-
Transformer Parameter Extraction
It is often the case, in circuits which use a transformer, that the performance of the circuit is significantly dependent on the characteristics of…
-
Broad Injector Product Line Eases Power Supply Stability Analysis
Developed to aid power supply designers in control-loop stability analysis, Picotest’s line of signal injectors are being introduced as the “most flexible and sophisticated…
-
SPICE Modeling Using Two Picotest 6.5 Digit DMM’s
I was thinking about how a typical engineer would go about creating a SPICE model for a simple diode. This seems like a pretty…
-
Generating Stable Voltage For Multiple Applications
Understanding the key parameters of diodes and other components used in reference voltage circuits can help avoid issues in different application circuits across many…