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texasinstruments

Teardown: HP 8112A pulse generator

May 13, 2025 By Martin Rowe 1 Comment

This 50 MHz pulse generator was built as solid as a rock. It’s almost all metal. We take the unit completely apart and look at it from a system and board level. On a visit to the MIT swapfest in 2024, I came across an HP 8112A 50 MHz pulse generator. For $20, I brought […]

Filed Under: Bench Test, Featured, Instrumentation, New Articles, signal generator, signal generators, Video Tagged With: analogdevices, Hewlett-Packard, keysighttechnologies, NXP Semiconductors, texasinstruments

VSON package modulators measure 3.5 mm x 2.7 mm

April 7, 2025 By Redding Traiger Leave a Comment

Texas Instruments (TI) introduced the industry’s first functionally isolated modulators, helping designers achieve more precise motor control in compact robot designs. The new AMC0106M05, AMC0136, and AMC0106M25 isolated modulators enable increased precision and higher resolution of 12 to 14 effective number of bits (ENOB) for accurate and reliable phase current sensing and DC voltage sensing […]

Filed Under: Modular Instruments, Sensing Tagged With: texasinstruments

The ups and downs of bad DACs

May 27, 2022 By David Herres Leave a Comment

DACs

A digital-to-analog converter (DAC) is more prone than an analog/digital converter to signal degradation. DACs are complex devices requiring precisely matched components. For this reason, with notable exceptions, DACs are implemented as mixed-signal ICs based on MOSFET technology. Discrete component DACs are found in radar systems and high-speed test equipment including digital sampling oscilloscopes. Digital […]

Filed Under: FAQ, Featured, oscilloscope measurements Tagged With: analogdevices, FAQ, texasinstruments

The up side of under sampling

May 20, 2022 By David Herres Leave a Comment

A digital signal can be derived from the original time-varying, continuous analog signal by creating a sampled sequence of quantized values. It is intuitively evident that the fidelity and resolution of this quantized signal is based upon the number of samples taken per unit of time. Harry Nyquist published an early version, later further formalized […]

Filed Under: FAQ, Featured, New Articles, Test and Measurement News Tagged With: FAQ, texasinstruments

Measuring CMOS power use

December 29, 2021 By David Herres Leave a Comment

measuring CMOS power dissipation

Virtually all digital, analog and mixed-signal ICs are now done in CMOS due to the technology’s extremely low power consumption, small size and immunity to noise. Low power consumption arises from the use of a two-transistor configuration resulting in zero power consumption except during brief transitions. Interestingly, the bulk of CMOS power dissipation arises because […]

Filed Under: FAQ, Featured, New Articles, Test and Measurement News Tagged With: FAQ, texasinstruments

Measuring picoseconds without breaking the bank

June 24, 2021 By Dave Guidry 1 Comment

Modern analog/digital converters can help implement equivalent time sampling to provide picosecond timing resolution. Dave Guidry, Texas Instruments Inc. A picosecond is an astonishingly short period of time. Imagine a stopwatch with a trillion divisions between each tick of the second hand. While it sounds fantastical, this resolution of time measurement is indeed necessary for […]

Filed Under: FAQ, Featured, Featured Contributions, New Articles, oscilloscope measurements Tagged With: FAQ, texasinstruments

When you can use Spice and its variants, when you can’t

December 17, 2020 By David Herres 1 Comment

spice

It has been a long time since it was practical to breadboard even moderately complex IC designs to evaluate them prior to manufacture. This is particularly true because of subtle parasitic and characteristic impedance effects that rear their ugly head in the frequency ranges of many modern circuit designs. That is the rationale for Spice […]

Filed Under: FAQ, Featured, New Articles Tagged With: FAQ, texasinstruments

Tools for optimizing circuit bias

May 15, 2019 By David Herres Leave a Comment

orcad

If a semiconductor or vacuum tube is to accurately reproduce or amplify signals on its input, it must have on its input a non-time-varying dc voltage, i.e. dc bias, the purpose of which is to keep the device in its linear operating range. Otherwise, the input signal to be reproduced may drive the device beyond […]

Filed Under: Design, FAQ, Featured, New Articles Tagged With: anasoft, cadence, emagtechnologies, nationalinstruments, orcad, texasinstruments

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