Recent content by RG

  1. R

    Configuring band-pass on National MF10 SCF chip

    Hi, I'm trying to configure the National MF10 Switched Capacitor Filter(SCF) chip to be a bandpass filter. The problem is that the datasheet has formulas on how to calculate the resistor values for setting up as a band-pass, but there is no example or diagrams to hook up the pins as a...
  2. R

    Center-Tap Rectifier: Understand Output Wave Changes

    I've got a query on rectifiers, pls take a look at this diagram. If I switch the diode at the bottom around to face the opposite direction. Will I still get the same output wave? Or will I get a half-wave rectifier that looks like this? :confused:
  3. R

    Trying to understand Modulation

    Thanks for the reply, but I still dun get it. Can anyone else help me (to understand) ?? :confused:
  4. R

    Trying to understand Modulation

    Hi guys, Need some help and guidance here, I'm having some difficulty(and confused) trying to understand Modulation in telecommunication systems. From what I understand (pls correct me if I am wrong); AM - the amplitude changes, but not the frequency. FM - the frequency changes, but not...
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