EXTRAS M4

• The ______________ of the tuning capacitor is varied or changed every time we turn its knob to select which radio signal from the radio station should enter the radio tuner.

  capacitance
• Sensitivity is the capacity to detect an ____________ and demodulate it while at the lowest power level.

  Rf signal
• The antenna’s function in the radio tuner is to _________________the radio signals coming from the radio broadcasting or transmitting radio station.

  intercept and collect
• The IF transformers are made of two small wires wound around the adjustable _____________ and enclosed in a metal shield.

  ferrite core
• The IF transformers are made of two small wires wound around the adjustable _____________ and enclosed in a metal shield.FM Receiver
• The IF transformers are made of two small wires wound around the adjustable _____________ and enclosed in a metal shield.

  Ferrite core
• The _____________ is the whole unit that takes the modulated signal as input and produces the original audio signal as an output.

  Fm receiver
• A _______________________mixes the signals coming from the antenna.

  Fm receiver
• A local oscillator is made from two wire winding which are called the _______________________winding.

  primary and secondary winding
• The process of mixing two different signals to produce a new signal or signals is called the _____________.

  heterodyning
• The separated and recovered audio information generated by the detector is then fed to the _____________ where it is amplified or strengthened sufficiently

  audio amplifier
• The tuning capacitor is composed of ______________that are separated by the insulators.

  Metal plates