## Electronics (Mike Jaroch)

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### F

#### FACSIMILE

The method for transmitting and receiving still images. These images can be maps, photographs, and handwritten or printed text [17].

 Keyword(s): FACSIMILE

#### FACTOR

Any of the elements, quantities, or symbols that, when multiplied together, form a product [13].
 Keyword(s): FACTOR

Variations in signal strength by atmospheric conditions [101 [17].

The basic unit of capacitance. A capacitor has a capacitance of 1 farad when a voltage potential of 1 volt across it produces a charge of 1 coulomb [2].

The rotation of the plane of polarization of electromagnetic energy when it
passes a substance influenced by a magnetic field that has a component in the direction of propagation [11].

#### FAST-TIME-CONSTANT CIRCUIT

Differentiator circuit in the first video amplifier that allows only the leading edges of target returns, no matter how small or large, to be used [18].

 Keyword(s): FAST-TIME-CONSTANT CIRCUIT

#### FEEDBACK

The return of a portion of the output of a circuit to its input [8] [18].
 Keyword(s): FEEDBACK

#### FEEDER

A transmission line that carries energy to the antenna [10].
 Keyword(s): FEEDER

#### FEEDHORN

A horn radiator used to feed a reflector [18].
 Keyword(s): FEEDHORN

#### FEP

A synthetic type of insulation (fluorinated ethylene propylene) [4].
 Keyword(s): FEP

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