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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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…
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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…
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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…
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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…
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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…
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FAQ #16
What Calibration Services do you offer? Apart from warranty repairs, calibration and servicing, done directly at Picotest, we work with Precision Metrology, a calibration…
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FAQ #15
What injectors should I order? Most users purchase cost saving “bundles” and we have several to choose from on our website. Please see Injector…
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FAQ #14
Please specify what is the maximum AC injection signal voltage and current for the J2120 Line Injector? We need to measure PSRR of our DUT…
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FAQ #13
Which measurements (Output impedance Vout/Iout, audio susceptibility Vout/Vin, input admittance Iint/Vin and reverse transfer Iin/Iout, loop gain are we are able to perform utilizing our…
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FAQ #12
Is it possible to also measure the audio susceptibility (Vout/Vin) of a power supply with the current injector J2111A? Yes. The J2111A is a small…
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FAQ #11
Are all of these devices compatible with our Hewlett Packard 4194A Impedance / Gain-Phase Analyzer? Yes. The Agilent (HP) analyzer will work well with our…
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FAQ #10
What are the main differences between J2100A injection transformer, J2110A solid state injector and the J2111A current injector? The J2110A is a solid state voltage injector,…