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Search results: 138   Output: 31-40
  1. John Guy, Maxim Integrated Products EDN Many approaches for creating notch filters, which reject a narrow band of frequencies and pass all others, are unsatisfactory because they allow the component tolerances to interact. The circuit in Figure 1 ...
    Circuits » Analogue Design » Maxim » MAX4075, MAX4198
  2. Doug Glenn EDN The well-documented Sallen-Key active filter is a staple of analog design. This Design Idea shows a way to obtain better roll-off by adding just a few common passive components. Figure 1a shows a typical implementation of a ...
  3. Adolfo Garcia EDN The circuit in Figure 1 filters 60-Hz interference from low-frequency, low-level signals. The filter exhibits 40-dB rejection (Q = 0.75) and draws 95 uA max from a single-sided 5 V supply. Figure 1. This notch filter suppresses ...
  4. C Castro-Miguens, M Pérez Suárez, JB Castro-Miguens EDN There are many circuits published showing zero-crossing detectors for use with 50- and 60-Hz power lines. Though the circuit variations are plentiful, many have shortcomings. ...
  5. Pierre Corbeil EDN Class B amplifiers are prone to crossover distortion, which occurs in the output stage in which conduction transfers from one transistor to the other. To prevent crossover distortion, a bias current must flow in both transistors ...
  6. John Ambrose EDN Although you can obtain universal, resistor-programmable switched-capacitor filters that are configurable as notch filters, most cannot operate at bandwidths higher than 100 kHz. Further, the typically 16- to 20-pin packages do not ...
  7. Kenneth Gustafsson EDN Some instrumentation amplifiers use external resistors to set their gain. Unfortunately, the lack of temperature-coefficient matching between the external and the internal resistors results in a high gain drift. If, however, ...
  8. Robert F. Coughlin Electronic Design Adding “intelligence” to measurement systems has become commonplace because 8-bit microcontrollers are inexpensive and widely available, and they can be programmed in many of today’s popular ...
  9. Mitchell Lee LT Journal of Analog Innovation A source of fast pulse edges, simulating a step function, is often useful in making lab measurements of one kind or another. For example, it is possible to evaluate the rise time of RG-58/U or other ...
  10. Stephen Woodward EDN Perhaps the most elementary rule of control-loop design theory is that feedback-loop performance is fundamentally linked to the careful choice and stability of loop gain. Insufficient loop gain leads to poor setpoint accuracy. ...

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