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| A component consisting of two conducting surfaces (plates) seperated by an insulator. |
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Definition
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Term
| What are the two types of capacitors? |
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Definition
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Term
| The measure of a capacitor's ability to store energy in the form of an electrostatic field |
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Definition
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| The symbol for capacitance is ____ and is measured in _________. |
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Definition
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| When placing capacitors in series, what is the formula to find total capacitance? |
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Definition
Ct = 1 1_ + 1_ + 1_ C1 C2 C3 |
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Term
| When placing capacitors in parallel, what is the formula to find total capacitance? |
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Definition
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Term
What is the formula for capacitive reactance (XC)? |
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Definition
Xc = __1__ or _0.159__ 2∏fC fC |
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Term
What is the formula for inductance? |
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Definition
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Term
| When placing indicators in series, what is the formula for total inductance? |
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Definition
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Term
| When placing indicators in parallel, what is the formula for total inductance? |
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Definition
LT = _______1________ _1_ + 1_ + _1_ .... L1 L2 L3 |
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Term
| What are the formulas for time and frequency? |
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Definition
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Term
| What are the two formulas for calculating wavelength? |
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Definition
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Term
| What is the formula for inductive reactance? |
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Definition
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Term
| What is the formula for effective voltage? |
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Definition
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Term
| What is a device designed to control current flow through a circuit? |
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Definition
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Term
| What do we call the movement of electrons from atom to atom? |
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Definition
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Term
| The chemical reaction that causes the atoms on the positive side of a battery to lose electons, while the negative side gains electrons is called what? |
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Definition
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Term
| What kind of current flows in only one direction? |
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Definition
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Term
| What are 4 requirements for a basic circuit? |
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Definition
Voltage Source Conductor Continuity Load Source
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Term
| What type of circuit provides only one path of current flow? |
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Definition
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Term
| What is the electrical energy that causes electrons to move through a circuit? |
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Definition
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Term
| Ohm's Law part 2 of 2 states that current is __________ proportional to resistance? |
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Definition
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Term
| What effect do insulators have on current flow? |
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Definition
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Term
| Ohm's Law part 1 of 2 states current is _____________ proportional to voltage. |
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Definition
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Term
| What do you call electrons in the outermost orbit of an atom? |
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Definition
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Term
| What kind of resistor is the most common type of fixed resistor and used in low current applications? |
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Definition
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Term
| What is the most common type of AC waveform, representing voltage and current? |
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Definition
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Term
| What's the difference between a series and a parallel circuit? |
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Definition
| A Series has only one path and a Parallel has two paths |
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Term
| At what point in a sinewave cycle is it possible to measure the peak voltage? |
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Definition
| At the peak of the alternation |
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Term
| After a sine wave has gone through one cycle, it repeats itself to form a ___________. |
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Definition
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Term
| What is a graphic representation of how voltage and current changes in amplitude and direction? |
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Definition
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Term
| Frequency and the time of a sine wave are _________ proportional. |
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Definition
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Term
| What happens to the wavelength if the time of one cycle increases? |
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Definition
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Term
| What happens to wavelength if frequency increases? |
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Definition
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Term
| What 3 conditions must exist for sine waves to be considered in-phase? |
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Definition
Must be of the same frequency Reach peaks at the same time Pass zero axis at the same time
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Term
In a capacitor, what phase relationship exists between current and voltage? |
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Definition
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Term
| What is the opposition that a capacitor offers to AC current flow? |
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Definition
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Term
| If frequency goes up, what happens to capative reactance? |
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Definition
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Term
What is the symbol for inductance? |
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Definition
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Term
| What is the unit of measure for inductance? |
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Definition
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Term
| What happens to inductive reactance if Frequency (f) increases? |
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Definition
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Term
| What is the frequency that causes XC and XL to become equal? |
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Definition
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Term
Which type of signal format alternates the voltage polarity between successive mark bits? |
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Definition
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Term
How does quasi-analog signal format differ from the other signal formats? |
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Definition
| Its an analog signal with digital information |
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Term
| What is the formula for upper sideband? |
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Definition
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Term
| What are the 2 types of detection for PSK? |
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Definition
| Fixed Reference and Differential |
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Term
| Which PSK process uses 2 input data bits to make an output decision? |
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Definition
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Term
Which modulation technique must you use for data rates over 35 Mb/S? |
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Definition
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Term
| What distortion is created by the delta modulation process? |
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Definition
| Slope Overload Distortion |
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Term
| How does CVSD differ from DM? |
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Definition
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Term
| What states that for a signal to be reproduced accurately, it must be sampled at twice the highest frequency? |
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Definition
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Term
| What is the sample rate for a voice signal? |
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Definition
| 8000 times per second or 0-4kHz |
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Term
| What logarithmic scale has 16 chords and 16 steps with each chord? |
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Definition
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Term
| What is the sample rate of ADPCM? |
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Definition
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Term
| What do the 2nd, 3rd, and 4th bits represent in a PCM word? |
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Definition
| The highest chord in the PAM sample achieved in the quantizer |
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Term
| What do the last four bits of a PCM word represent? |
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Definition
| The step to which the sample was rounded |
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Term
| Where is the Conditioned diphase interface (CDI) technique predominately used? |
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Definition
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Term
| What is the part of the signal that occupies the shortest interval of a signaling code? |
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Definition
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Term
| What is the amount of time a digital signal is left at a particular voltage to indicate a value? |
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Definition
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Term
| What is counting the number of bits recieved in a specific time interval (usually one second)? |
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Definition
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Term
| What is the measurement of the signaling speed of a data transmission device? |
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Definition
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Term
| What is the term that describes when a carrier is at a frequency other than the center frequency? |
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Definition
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Term
What happens to wavelength if frequency increases? |
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Definition
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