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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