Which of the following is needed in a reference oscillator to produce many frequencies?

A. Low-pass filter
B. Varactor diode
C. Phase comparator
D. One crystal


D

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Leader lines are typically drawn with general notes.

Answer the following statement true (T) or false (F)

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Although any receding angle from 0 degrees to 90 degrees may be used for an oblique drawing, angles between 30 degrees and ____________________ degrees should be used, which minimizes the distortion and elongation.

Fill in the blank(s) with the appropriate word(s).

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Ratites are a group of flightless birds that include the ostrich and emu

Indicate whether the statement is true or false.

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An example of a cool season turfgrass is zoysia grass

Indicate whether the statement is true or false

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