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capstone > final > Flashcards

final Flashcards

1
Q

how would you solve for voltage measured with a reference point at a point to be measured

A
  1. establish the Vs
  2. solve RT: R1+R2…
  3. solve IT: VS/RT
v1 = (IT)(R1)
v2= (IT)(R2) ...
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2
Q

according to Kirchhoff’s voltage law, what will be the sum of all voltages dropped across R1, R2, and R3

A

is equal to the total source voltage in that loop.

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3
Q

how would you determine the voltage across resistors in a parallel circuit?

A

voltage across is equal to the voltage source.

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4
Q

how do u determine RT in a parallel circuit.

A 
RT= 1/GT
GT = 1/R1+1/R2...
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5
Q

truth table for AND logic

A 
A x B = Y
0 x 0 = 0 
0 X 1 = 0
1 X 0 = 0 
1 X 1  =  1
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6
Q

truth table for NAND logic

A 
\_\_  \_\_
 A x B = Y
 0 X 0 = 1
 1  X 0 = 1
 0 X 1  = 1
 1  X 1 = 0
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7
Q

truth table OR logic

A 
A + B = Y
0 + 0 = 0 
0 + 1  = 1
 1 + 0 = 1
 1 + 1  = 1
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8
Q

truth table NOR logic

A 
\_\_  \_\_
 A + B = Y
 0 + 0 = 1
 0 + 1  = 0
 1 + 0  = 0 
 1 +  1  = 0
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9
Q

what are the characteristics of the BJT common emitter (CE) amp

A

the CE has high power gain, would be a good driver for an audio speaker, and inverts the output signal.

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10
Q

what are the characteristics of the BJT common base (CB) amp

A

highest output impedance, lowest current gain, and would be used to connect and antenna to an amplifier system

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11
Q

what are the characteristics of the BJT common collector (CC) amp

A

has a voltage gain of 1

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12
Q

among the three amp configuration CC, CB and CE, which has the highest power gain

A

CE

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13
Q

among the three amp configuration CC, CB and CE, highest input impedance

A

CB

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14
Q

among the three amp configuration CC, CB and CE, which has the lowest current gain

A

CB

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15
Q

among the three amp configuration CC, CB and CE, which would be a good driver for an audio speaker

A

CE

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16
Q

among the three amp configuration CC, CB and CE, which configuration would probably be used to connect an antenna

A

CB

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17
Q

among the three amp configuration CC, CB and CE, which inverts the output signal

A

CE

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18
Q

among the three amp configuration CC, CB and CE which has a voltage gain of 1

A

CC

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19
Q

in a bjt circuit how would you solve for VB?

A

VB = (R2/R1+R2) VCC

20
Q

in a bjt circuit how would you solve for VE?

A

VE = VB - O.7V

21
Q

in a bjt circuit how would you solve for VRE?

A

VRE = VCC - 1V

22
Q

in a bjt circuit how would you solve for VC?

A

VC = VCC - (IC)(RC)

23
Q

in a bjt circuit how would you solve for VCE?

A

VCE = VC - VE

24
Q

in a bjt circuit how would you solve for IC

A

IC = VE / RC * NOTE IC = IE

25
Q

to perform a high level format on the hard drive and make it bootable, what syntax would you use

A

format c; \s

26
Q

how many bits are used in ASCII Code, assuming not parity bit

A

7

27
Q

if the highest frequency to be sampled is 3 kHz, what is the minimum acceptable sampling rate? (Nyquist Rate)

A

F/2

28
Q

what is the from of multiplexing in which data from different users is given different time slots within a data frame?

A

Time Division Multiplexing (TDM)

29
Q

which part of the instruction tells the microprocessor what operation is to be performed

A

opcode

30
Q

list the 7 layers of the OSI model

A 
Application
Presnetation
Session
Transport
Network
Data
Physical
31
Q

list 4 layers of the tcp/ip

A

application
transportation
internet
network

32
Q

what is VoIP?

A

Voice over IP

33
Q

what is the correct order of a PLC program scan

A

read input
solve logic
set output
communcation

34
Q

why is serial data more mainstream than parallel data transfer

A

cheaper

35
Q

what are the inputs to the mixer stage in a superheterodyne receiver?

A

the frequency and local oscillator

36
Q

in a FM modulator what does the amplitude of the intelligence signal determine

A

frequency deviation Rate

37
Q

how do u calculate the S/N Ratio in decibel

A

S^2 / N^2 = (SUM) AND THAN 10 LOG (SUM) = Deibels

38
Q

draw a block diagram of a high level modulator

A

SEE PAPER NOTES

39
Q

draw a block diagram of a low level modulator

A

see paper notes

40
Q

what device can be used as a mixer in communication circuit

A

diodes

41
Q

draw a block diagram of a supereterodyne AM RX

A

see notes

42
Q

draw a block diagram of a superheterodyne FM RX

A

see notes

43
Q

what happens when electromagnetic waves pass from a medium of one density into another medium of a thicker density

A

refraction

44
Q

which RX uses a discriminator

A

anomaly detection

45
Q

which RX uses a discriminator

A

ratio detector

capstone (1 decks)

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