Questenaتمرینی که نشان می‌دهد بعد چه چیزی را مرور کنید
سؤال 381

Which of the following measures a filter’s ability to reject signals in adjacent channels?

  1. Passband ripple
  2. Phase response
  3. Shape factorپاسخ درست
  4. Noise factor

توضیح

Shape factor compares the filter's bandwidth far down its skirts with its bandwidth at the reference point. The closer that ratio is to one, the steeper the skirts and the better the filter keeps adjacent-channel signals out.

ادامهٔ این آزمون

شروع تمرین
سؤال 381: Which of the following measures a filter’s ability to… · FCC Amateur Extra Class (Element 4) · Questena