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  1. Xiyao Zhang, Texas Instruments Early in my graduate school education, I was working on a project that needed a unity-gain operational-amplifier (op-amp) buffer for a monitoring circuit in our thin film deposition system. As soon as the new module ...
    Amplifiers · Analogue Design » Texas Instruments » THS4281, OPA836, OPA2836
    17-02-2017
  2. Gustavo Castro, Analog Devices Analog Dialogue Question: Why is the effect of common-mode signals at the output larger than the CMRR specification? Answer: The concept of common-mode rejection ratio (CMRR) is fundamental when working with ...
    Amplifiers · Analogue Design » Analog Devices » AD8422, AD8428
    20-09-2016
  3. Jennifer Calhoon Design World A charge amplifier is not the most common type of amplifier, but very useful in the right circumstances, it is really a current integrator which produces a voltage output proportional to the integrated value of the ...
    17-01-2016
  4. Loren Siebert, Texas Instruments As high-speed systems become more complex and design cycles become shorter, engineers need to find high-performance yet flexible components to facilitate their system designs. One method is to use components that ...
    04-06-2015
  5. By Bonnie Baker EDN Europe Surprise, surprise. The bandwidth of an amplifier in a gain of +1 V/V is not the same as the bandwidth of the same amplifier in a gain of 1 V/V. After more than five years of working every day with amplifiers for an ...
    14-05-2015
  6. Roy McCammon EDN The traditional three op-amp differential amplifier's signal to noise ratio can be improved by 6 dB by adding a resistor and slightly changing the connections. There is a trade-off though: The traditional topology has a high input ...
    14-04-2015
  7. By Charly El-Khoury, Analog Devices This article shows how compensating an amplifier - such as the ADA4895-2 , which is normally stable for a gain higher than +9 -to operate with a gain as low as +2 provides higher slew rate and faster settling ...
    12-12-2013
  8. Vic Jordan, Carson City, NV It’s common practice to series-terminate an op amp to match the impedance of the load. This practice causes a 3-dB loss of output power in the termination resistance, however (Figure 1). Newer op amps operating on ...
    17-05-2012
  9. Part 1 A hands-on test A comparison of a bipolar op amp and a CMOS op amp from Analog Devices and three of its major analog competitors quantifies effect described in the previous section (Table 1). The comparison includes National Semiconductor ...
    26-03-2012
  10. Understand what this common, important parameter really means and why it may be much higher than you see on the data sheet. Most ICs’ data sheets list a maximum supply current, but manufacturers often overlook the measurement conditions. For ...
    26-03-2012

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