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Binary States

Ah a little down one of the side paths of amateur radio for this question from the General Class exam pool. How many states does a 3-bit binary counter have? A. 3B. 6C. 8D. 16 The answer depends on us knowing how to count in binary. Essentially the question is asking us what the maximum …

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Amateur Extra: Crystal Oscillator Frequency

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Which of the following must be done to insure that a crystal oscillator provides the frequency specified by the crystal manufacturer? A. Provide the crystal with a specified parallel inductanceB. Provide the crystal with a specified parallel capacitanceC. Bias the crystal at a specified voltageD. Bias the crystal at a specified current Hm. A crystal …

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Amateur Extra: Sporadic E Propagation

Sporadic E Propagation

At what time of year is Sporadic E propagation most likely to occur? A. Around the solstices, especially the summer solsticeB. Around the solstices, especially the winter solsticeC. Around the equinoxes, especially the spring equinoxD. Around the equinoxes, especially the fall equinox Sporadic E Propagation refers to the phenomena where radio signals bounce off of …

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