Determining FPGA Dynamic Load Current
This extreme measurement example is from a DesignCon 2020 paper, titled “A Method for Dynamic Load Current Testing with a Benchtop Power...
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App Note: 2-Port Impedance Measurement using the P2102A Probe and E5061B VNA
By Benjamin Dannan and Steven Sandler, Picotest.com High speed Printed Circuit Board (PCB) design requires well designed Power Delivery...
App Note: NISM using the P2102A Probe and E5061B VNA
By Benjamin Dannan and Steven Sandler, Picotest.com Control loop stability is critical to the performance of all systems, as it...
Tektronix App Note: Measuring the Control Loop Response of a Power Supply Using an Oscilloscope
Most power supplies and regulators are designed to maintain a constant voltage over a specified current range. They are essentially...
The 5-Minute Method for Stabilizing Any Control Loop
By Steve Sandler | January 28, 2020 One method of designing stable control loops is to create an accurate broadband simulation model and...
Just How Fast is GaN Fast?
By Steve Sandler | March 12, 2020 “I recently designed an ultra-high speed, low-impedance pulse generator (Figure 1). I wanted it for...
The Myth of Three Capacitor Values
By Eric Bogatin, Larry Smith, and Steve Sandler | March 3, 2020 “Many designs today include three different value decoupling capacitors,...
Techniques for accurate PSRR measurements
By John Rice, System Engineer, Texas Instruments and Steve Sandler, Managing Director, Picotest Introduction In theory, measuring the...
New Injector Supports Testing of POLs
High Fidelity POL Testing with the J2112A The J2112A: Faster, Non-Invasive, and High Fidelity POL Step Load Testing Testing the step load...
Exploring Bandwidth, Gain Margin and Phase Margin in Non-Invasive Measurement
Summary Among the most frequently asked questions regarding non-invasive stability measurement are “How do I determine the bandwidth,...
Essential Test Adapters for Your Network / Impedance Analyzer
The network analyzer, sometimes referred to as a Frequency Response Analyzer (FRA) is a common piece of equipment in most of our labs...
New Test Adapters Improve Your PDN Measurements
The resistor being measured is a 250uOhm 1% resistor manufactured by Stackpole. The datasheet is not clear about how the device...
Introduction to the J2110A Solid State Injector
Introduction Most of us have experience using a wideband signal injection transformer to introduce a modulation signal into our loop...
Measuring Op Amp PSRR
One characteristic of Op Amps that limits the performance of low noise and precision circuits is PSRR. The output of the Op Amp is not...
Stability Assessment of Fixed Regulators
There are cases where a Bode (gain?phase) plot cannot be obtained from a control loop. For example, a three terminal regulator or hybrid...
Measuring the Output Impedance of Voltage References and Zener Diodes
In this article we examine the process of measuring a key performance characteristic, output impedance, using the Picotest J2130 DC Dias...
Measuring the PSRR of Voltage References
In this article we detail the process of measuring a key performance characteristic of voltage references, power supply rejection ratio...
Power Supply Crosstalk Measurement: Using the Bode 100 and the Picotest J2111A Current Injector
The measurements are performed on the Picotest Voltage Regulator Test Standard (VRTS) testing board1 which comes with the regulators...
Measuring Optocouplers with the J2130 DC Bias Injector and the OMICRON Lab Bode 100 VNA
In this measurement the J2130A provides a DC bias to the Optocoupler LED, which returns to ground through a termination resistor. The...
Reverse Transfer Measurement: Using the Bode 100 and the Picotest J2111A Current Injector
The measurements are performed on the Picotest Voltage Regulator Test Standard (VRTS) testing board1Picotest. Click here to read the...
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