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Search results: 351   Output: 41-50
  1. Luca Bruno EDN To discover potential power-supply problems, you must run dynamic and static tests. This simple current sink tests low- to medium-power supplies and voltage sources. In this application, the current sink can draw current of 0 to 1.5 ...
    Circuits » Measurement · Power » Texas Instruments » OPA277, IRF530
    03-12-2015
  2. Mike Rose EDN Using the fast dynamic load described in this Design Idea to test the transient response of a power system can reveal many critical operating characteristics. The voltage deviation resulting from a fast current step can provide ...
    04-11-2015
  3. Michael Page EDN The circuit in Figure 1 is not complex, but it saved the day in an application involving visual inspection of the spray pattern of fuel injectors for quality and consistency. In this application, xenon strobe lights did not work ...
    04-11-2015
  4. Mitchell Lee EDN A source of pulses with fast-rising edges that approximate the step function can help you perform many useful laboratory measurements, including characterization of coaxial cables' rise times and location of cable faults using ...
    31-10-2015
  5. Susanne Nell EDN To measure high levels of direct current for overload detection and protection, designers frequently use either a current-shunt resistor or a toroidal core and Hall-effect magnetic-field sensor. Both methods suffer from drawbacks. ...
    22-10-2015
  6. Vladimir Rentyuk EDN Detecting a rapidly falling signal over some threshold is important for ultrasonic or location equipment as well as for seismology systems. You can combine a rail-to-rail operational amplifier with a Schmitt-trigger logic gate ...
    30-09-2015
  7. Gyula Dioszegi EDN In 1971, Signetics later Philips introduced the NE555 timer, and manufacturers are still producing more than 1 billion of them a year. By adding a few components to the NE555, you can build a simple voltage-to-frequency converter ...
    Circuits » Analogue Design · Measurement » Philips » NE555, TL071
    24-09-2015
  8. Have you ever been curious about the power consumption of an appliance? For example did you wonder how much it will cost you to leave your television in standby mode whole night? Or did you want to learn how much change your refrigerator settings ...
    Circuits » Measurement · Digital » Microchip » PIC18F252
    24-09-2015
  9. Jordan Dimitrov EDN While most carbon dioxide sensors use IR technology, electrochemical sensors are a serious competitor because of their high sensitivity, wide measurement range, and low price. As a rule, electrochemical sensors connect to a ...
    19-08-2015
  10. Robert Kong Embedded Developer, September 2014 This application note describes how to digitize analog sensors and how to transmit their values wirelessly using the NXP configurable tiny logic gates 74AXP1G57 (see Appendix). The ability of these ...
    30-07-2015
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