Brian H sticky note deck

Question 1

The presence of any distortion components that cause an error in digital decoding

Answer 1

amplitude and phase distortion

Question 2

measured between the center conductor and the sheath with the other end shorted

Answer 2

DC Loop Resistance

Question 3

Caused by coherent noise, will cause circular patterns in each cell

Answer 3

Ingress or Spurs

Question 4

Extra bit added to help check if the data being transferred is correct

Answer 4

Parity Bit

Question 5

modulating technique that interweaves multiple conversations based on time

Answer 5

TDMA Time Division Multiple Access

Question 6

caused by imbalance in the modulators, mixer, or undesirable DC in the transmission system. entire constellation is offset in one direction

Answer 6

Carrier leakage aka constellation offset

Question 7

4 air displacement gasses

Answer 7

carbon dioxide
helium
argon
nitrogen

Question 8

circular effect where points in each cell are stretched out perpendicular to a radius line in propertion to the center of the diagram

Answer 8

Phase Shift

Question 9

10log (Average symbol power/average error power)

Answer 9

MER (dB)

Question 10

cable loss + passive loss

Answer 10

total loss

Question 11

calculation for expected level

Answer 11

starting level-total loss

Question 12

0 to 12 Hz

Answer 12

Infrasonic

Question 13

Digital carrier RMS/ Noise Floor RMS

Answer 13

C/N

Question 14

Nyquist’s Rule

Answer 14

in order to obtain an accurate recreation of a signal it must be sampled at a rate of at least twice the highest frequency

Question 15

1271nm - 1611nm

Answer 15

CWDM Wavelengths

Question 16

Visible Red Light

Answer 16

390 - 780 nm

Question 17

errored bits vs. total bits per second

Answer 17

BER

Question 18

continuous unwanted signal within the channel pass band that can affect digital decoding

Answer 18

(CI) Carrier to sustained Impairments

Question 19

To be subjected to the action of an electrical discharge

Answer 19

SHOCK

Question 20

To kill by electrical shock

Answer 20

electrocute

Question 21

3 digital distortions you should be concerned with

Answer 21

Spectral regrowth
multipath and reflections
Phase noise

Question 22

Fuzzy circular pattern in each cell will occupy most of the cell

Answer 22

poor CNR

Question 23

Can cause severe reliability problems in digital carriers. Usually due to oscillator instability in processing equipment

Answer 23

Phase Noise