Articles Texas Instruments

1. Ternary gain-switching 101 (or 10202, in base 3)
   Nick Cornford
   Analogue Design Texas Instruments TL074 TL084 LM4562
   This design idea is centered on the humble on/off/on toggle switch, which is great for selecting something/nothing/something else, but can be frustrating when three active options are needed. One possibility is to use the contacts to connect extra, ...
   Jan 7, 2025
2. Unlocking the possibilities of programmable logic
   Russell Crane
   Logic Texas Instruments TPLD1201
   We often say that logic devices are the glue to every electronics design, but they are often the last parts that you might think about when choosing components for a system. There are certainly many tried-and-true standard logic devices to choose ...
   Dec 17, 2024

3. How to control your impulses. Part 2 - Step function
   Nick Cornford
   Oscillators Measurement Texas Instruments CD74HC4053 CD74HC74
   In the first part of this DI ( Ref. 1 ), we saw how to gate an oscillator to generate well-behaved impulses. Now we find out how to extend that idea to producing well-behaved step functions, or nicely smoothed square waves. The ideal here is the ...
   Nov 24, 2024
4. How to control your impulses. Part 1 - Dirac delta
   Nick Cornford
   Oscillators Measurement Texas Instruments CD74HC4053 CD74HC74
   The principle behind testing the impulse response of circuits is simple: hit them with a sharp pulse and see what happens. As usual, Wikipedia has an article detailing the process ( Ref. 1 ). This notes that the ideal pulse a unit impulse, or Dirac ...
   Nov 18, 2024
5. Add noise measurements to your benchtop tools
   Measurement Texas Instruments OPA211 OPA376
   The biggest problem with precision noise measurement is that the noise floor you’re trying to evaluate is frequently below the sensitivity of your measuring instruments. The dominant technique for gaging precision op-amp noise is to calculate ...
   Nov 6, 2024
6. Capacitor-powered electronics is at the core of green design
   Alexander Bell
   Supply Texas Instruments LMC6442
   The concept of using supercapacitors (also known as ultracapacitors, supercaps, etc.), and replacing the batteries in portable micropower applications ( Ref. 1 ) is gaining momentum. In fact, it has become one of the more noticeable technical ...
   Oct 31, 2024
7. Quartz oscillator with shock excitation
   Peter Demchenko
   Oscillators Texas Instruments CD54HC14
   The circuit in Figure 1 seems utterly simple but demonstrates unusual behavior. It produces an almost square wave of odd-integer quartz harmonics, including its main frequency. Figure 1. A simple circuit that produces an almost square wave ...
   Oct 8, 2024
8. New slope compensation method stabilizes switchers
   Francesc Casanellas
   Supply Texas Instruments UCC3802
   In switch-mode power converters, peak current control is very popular because of its inherent current limitation and ease of control. However, if the duty cycle is higher than 50%, there is an instability problem. Some background: The up-slope of ...
   Jul 29, 2024
9. Correct voltage drop and phase shift in transmission lines
   Ron Shakery
   Analogue Design Texas Instruments THS4551
   Many precision test-and-measurement and high-speed analog applications require an exact targeted voltage to be delivered to the device under test or intended load to accurately analyze the device. Design and test engineers are well-aware that this ...
   Apr 29, 2024
10. Minimizing passive PWM ripple filter output impedance: How low can you go?
    Stephen Woodward
    Signal Processing, Filters Texas Instruments TLV2374 TMUX4053
    Simplicity and low cost sustain the popularity of passive PWM DAC ripple filters despite their limitations. One of these limitations is a high output impedance caused by the series sum of filter resistance(s) (R F in Figure 1, one resistor for each ...
    Oct 5, 2023

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