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  1. In this article, I want to talk about the experience of repairing a OEM Harman/Becker audio amplifier, which was installed in Mercedes-Benz cars. In this particular case, it was a 2005 Mercedes, installed OEM audio amplifier Harman/Becker 7019 ...
    19-09-2020
  2. EDN The superbal circuit will be familiar to anyone involved in balanced signal transmission [1,2]; it is a differential amplifier which presents identical input impedances to both legs of a balanced line. Balanced loading is a necessity for the ...
    19-09-2020
  3. Abstract Measuring the signals from extremely high impedance sensors is a difficult task. These sensors can have output impedances in the Teraohms (1×10 12 Ω). The tiny signal currents coming from sensors such as Faraday cups and ...
    18-09-2020
  4. Paul Rako Electronic Design You can’t leave unused inputs floating, but you might not want to connect them to a power or ground rail either. Digital engineers learned long ago that they should not leave unused inputs unconnected. CMOS chip ...
    14-09-2020
  1. Thomas Weiss, Nexperia In 1969 the first device housed in the breakthrough SOT23 plastic surface mount package rolled off the assembly line. Last year Nexperia alone shipped over 30 billion SOT23 packaged devices. These two facts highlight a key ...
    02-09-2020
  2. By Michael O'Loughlin EDN In certain applications, design requirements may call upon a system's switched-mode power supply to more promptly deliver its output than would the garden-variety power supply. Figure 1 shows such a supply's ...
    29-08-2020
  3. By Steve Hageman EDN Many pc-board assemblies require shields to reduce susceptibility to interference from electromagnetic fields. A classic example is a radio receiver, in which the front end usually needs high isolation from the tuning ...
    28-08-2020
  4. Frederik Dostal, Analog Devices Analog Dialogue Question: How do you measure inductor current? Answer: Switched-mode power supplies commonly use inductors for temporarily storing energy. In the evaluation of these power supplies, it is often useful ...
    26-08-2020
  5. by Pradeep Shenoy, Texas Instruments EDN There are standard techniques to generate negative output voltages, and there are well-known approaches to dynamically adjust an output voltage. The missing link that I hope to address in this article ...
    23-08-2020
  6. Bill Schweber A wearable millimeter-sized accelerometer functions as a microphone to capture the vibrations created by heart and lung functions, thus providing additional physiological data. Electronics for “personal” medical devices is ...
    21-08-2020