Binary amplitude shift keying, frequency shift keying, and phase shift keying.
Pulse amplitude, pulse width, and pulse position.
Amplitude, frequency, and phase.
Analog, digital and shift keying.
Modulating signal, upper sideband, and lower sideband.
Carrier, upper sideband, and lower sideband.
Upper sideband and modulating signal.
Carrier and modulating signal.
Amplitude of the modulating signal.
Frequency of the modulating signal.
Amplitude of the carrier signal.
Frequency of the carrier signal.
Percent of modulation.
More total power.
A reduction in carrier power.
No reduction in carrier power.
A reduction in carrier and sideband power.
Positive half cycle of the carrier.
Negative half cycle of the carrier.
Positive half cycle of the modulating signal.
Negative half cycle of the modulating signal.
Smaller bit error rate.
Better signal-to-noise ratio.
Higher data rates within a given bandwidth.
Discrete amplitudes are assigned to the sampling pulses.
A binary code number is assigned to the sample.
The quantizer limits the amplitude of the pulses.
The analog signal is band limited.
Converting a continuous time signal into a discrete time signal.
Ensuring the input to the sampler never exceeds maximum frequency.
Placing an infinite number of amplitude values to a finite number of values.
Limiting the highest and lowest frequency encoded before it goes to the sampler.
Block of data.
A parity bit.
A stop bit.
Whether transmission is synchronous or asynchronous.
Whether transmission is in American Standard Code for Information Interchange (ASCII) format.
Longitudinal redundancy check (LRC) and checksum.
Checksum and cyclic redundancy check (CRC).
Vertical redundancy check (VRC) and CRC.
VRC and LRC.
In the oscillator.
In the primary buffers.
White, blue, green, yellow, and violet.
Blue, orange, green, brown, and slate.
White, red, black, yellow, and violet.
Blue, green, yellow, red, and orange.
Straight through and crossover.
Straight through and flip/flop.
High and low baud.
“n” and “g”.
Positive intrinsic negative and avalanche photodiodes.
Repeaters, regenerators, and optical amplifiers.
A driver, optical source, and fiber optic pigtail.
A light detector and output circuits.
10 MHz – 100 MHz/km.
100 MHz – 200 MHz/km.
200 MHz – 1000 MHz/km.
Up to 50 GHz/km.