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What type of circuit can be used to convert from ppm to pdm for demodulation?
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0
|
241
|
June 10, 2022
|
|
What type(s) of modulation is/are normally detected by first ___
|
|
0
|
224
|
June 10, 2022
|
|
To detect pulse-duration modulation, the low-pass filter components must be ___
|
|
0
|
238
|
June 10, 2022
|
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When a pulse-duration modulated signal is ___
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0
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212
|
June 10, 2022
|
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What change must be made to the circuit to detect pulse-duration modulation?
|
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0
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222
|
June 10, 2022
|
|
Which, if any, of the following functions is the purpose of CR2?
|
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0
|
215
|
June 10, 2022
|
|
To detect pulse-amplitude modulation, what value must the ___
|
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0
|
205
|
June 10, 2022
|
|
Which of the following circuits can be used as a communications pulse demodulator?
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0
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168
|
June 10, 2022
|
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To demodulate a phase-modulated signal, which, if any, of the following ___
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0
|
188
|
June 10, 2022
|
|
ABOVE the center frequency of the hosted at received ___
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0
|
166
|
June 10, 2022
|
|
For plate current to flow, what must be the polarities of ___
|
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0
|
233
|
June 10, 2022
|
|
What type of tank circuit is the quadrature tank (L3 and C3)?
|
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0
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208
|
June 10, 2022
|
|
What tube pins connect to elements that perform in a manner similar to ___
|
|
0
|
179
|
June 10, 2022
|
|
What components in the circuit are used to set the reference frequency for a
|
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0
|
222
|
June 10, 2022
|
|
Which of the following circuit functions is performed by the gated-beam detector?
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0
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250
|
June 10, 2022
|
|
What is the minimum input voltage, in millivolts, required for a ratio detector?
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0
|
222
|
June 10, 2022
|
|
What components help to reduce the effects of amplitude variations at the input of the circuit?
|
|
0
|
195
|
June 10, 2022
|
|
When operating BELOW resonance, what is the relationship of ___
|
|
0
|
175
|
June 10, 2022
|
|
ABOVE resonance, both voltages ___
|
|
0
|
234
|
June 10, 2022
|
|
At resonance, (a) will the charges on C3 and C4 be equal or ___
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|
0
|
254
|
June 10, 2022
|
|
At resonance, what relative amount of conduction takes place through ___
|
|
0
|
197
|
June 10, 2022
|
|
At resonance, what is the phase relationship between tank current and primary voltage?
|
|
0
|
231
|
June 10, 2022
|
|
At resonance, what type of circuit does the tank circuit appear to be?
|
|
0
|
219
|
June 10, 2022
|
|
What circuit filtering function do R5, C6, and C7 provide?
|
|
0
|
182
|
June 10, 2022
|
|
To what frequency(ies) are (a) L1 and C1 and (b) L2 and C2 tuned?
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|
0
|
268
|
June 10, 2022
|
|
Circuit operation BELOW resonance is represented by which of the following vector diagrams?
|
|
0
|
225
|
June 10, 2022
|
|
When the circuit is operating ABOVE resonance ___
|
|
0
|
181
|
June 10, 2022
|
|
At resonance, what is the amplitude of ___
|
|
0
|
178
|
June 10, 2022
|
|
To what frequency are C1/L1 and C2/L2 tuned?
|
|
0
|
204
|
June 10, 2022
|
|
In the figure, what is the purpose of Q1?
|
|
0
|
171
|
June 10, 2022
|