Et A School Test Equiptment

Front 1

accumulation of positive or negative charges on insulators or conductors

Back 1

static electricity

Front 2

two types of esd failures

Back 2

intermittent and catastrophic

Front 3

the simple theory of esd control

Back 3

no charge = no discharge

Front 4

esd occurs in switches, mishandling components, and between what materials

Back 4

materials with different potentials

Front 5

most important step taken for controlling esd

Back 5

putting on an antistatic wrist strap

Front 6

provides connection to wearers skin and ground

Back 6

antistatic wrist strap

Front 7

general material wrist straps are made of

Back 7

conductive material

Front 8

resistor value that is in series with the strap to ground

Back 8

1 megohm

Front 9

how is an antistatic wrist band worn

Back 9

in contact with wearers skin

Front 10

why do antistatic wrist straps have a quick release mechanism

Back 10

for emergencies

Front 11

3 common wrist strap cuffs

Back 11

elastic adjustable, metal expansion, hook and loop

Front 12

if a wrist strap fails while testing what should you do

Back 12

replace the faulty ground or replace strap

Front 13

when should you not use a wrist strap

Back 13

when power is applied to the circuit you are working on

Front 14

favorable grounding points

Back 14

unpainted metal

Front 15

hand held test tools used to troubleshoot cables w/I the LAN.

Back 15

LAN cable testers

Front 16

"wake up" button

Back 16

controls display backlight

Front 17

mode that allows TDR analyzer tests

Back 17

single test

Front 18

What is attenuation

Back 18

decrease in signal strength over a length of cable

Front 19

undesirable signal transmission from one cable pair to another

Back 19

crosstalk

Front 20

most common cause of cable faults

Back 20

poor cable connection

Front 21

multimeters are used as

Back 21

voltmeter, ohmmeter, anmeter

Front 22

ZDENEK

Back 22

YA MA

Front 23

big blue digital shift button function

Back 23

shifter between functions

Front 24

range switch location on a multimeter

Back 24

lower center

Front 25

what does the hold button do on a multimeter

Back 25

freezes reading display

Front 26

never connect an LAN to

Back 26

telephone lines

Front 27

what must you first do with a shorting probe

Back 27

de energise equiptment and discharge capacitors

Front 28

measurements while using the A ports on a multimeter

Back 28

Current

Front 29

what can cause a multimeter to blow a fuse

Back 29

placing probes across a powered circuit

Front 30

order in which you connect multimeter probes

Back 30

black (common) lead first then Red (live) lead

Front 31

how is voltage measured across a circuit with a multimeter

Back 31

in parallel

Front 32

what do you do just prior to energizing the circuit

Back 32

attatch a probe to a test point

Front 33

what do you do to a circuit under test while measuring current

Back 33

open circuit

Front 34

what is done to a diode before testing with a multimeter

Back 34

electronically isolated

Front 35

when testing diodes you must

Back 35

reverse the leads

Front 36

Germanium diode voltage

Back 36

0.3V

Front 37

Silicon diode voltage

Back 37

0.7V

Front 38

what a multimeter sends through a diode to measure votage drop

Back 38

A current

Front 39

obvious thing to check for before troubleshooting

Back 39

Blown fuses, clean contacts, good connections

Front 40

troubleshooting method that has technical manuals for proceedures to follow particular symptoms

Back 40

Proceedural

Front 41

what is halfsplitting

Back 41

starting troubleshooting proceedures within the middle of the circuit

Front 42

todays circuits are contained on

Back 42

circuit boards

Front 43

Good fuse

Back 43

((-------------))

Front 44

Bad fuse

Back 44

((--- ---))

Front 45

volts/div knob adjust what on an o-scope

Back 45

amount of voltage required to deflect the beam distance for amplitude

Front 46

control on o-scope that determines the period time

Back 46

time/division knob

Front 47

triggering knobs on o-scope are to

Back 47

stabilize the display

Front 48

first step taken while conducting measurements on high voltage equiptment

Back 48

de-energize the equiptment

Front 49

1 to 1 probes display

Back 49

voltage equal to the voltage of the circuit being tested

Front 50

why do you let the scope warm up

Back 50

to stabilize the internal circuits

Front 51

overcompensated

Back 51

turn clockwise

Front 52

undercompensated

Back 52

turn counterclockwise

Front 53

measurements an oscopes used for

Back 53

time, phase, amplitude, and other waveform charecteristics

Front 54

measurements of amplitude is measured

Back 54

Vertically

Front 55

when can a faulty circuit card be swapped out

Back 55

when a fault is officially found because its expensive to replace

Front 56

ideal moisture setting for esd

Back 56

medium

Front 57

three things done everytime prior to using a wrist strap

Back 57

clean, inspect, test

Front 58

ohms law

Back 58

E=R x I

Front 59

when is the no hand rule applied

Back 59

anytime you are touching a circuit

Front 60

what regenerates the voltage of the output signal on the RF signal generator

Back 60

Attenuator

Front 61

two ways a power meter takes measurements

Back 61

direct and indirect

Front 62

power meter connected directly between the transmitter output and the load

Back 62

direct

Front 63

2 types of RF power that can be measured by a power meter

Back 63

forward and reverse

Front 64

direction the arrow on the attenuator needs to point when measuring incident and reflected power

Back 64

towards the load

Front 65

2 bridge circuits used with indirect power measurements

Back 65

detection bridge and compensating/metering bridge

Front 66

pulse parameters the pulse generator provides full control over

Back 66

timing, levels, and edges

Front 67

power meters give automatic and manual measurements of

Back 67

radio freq and microwave power levels

Front 68

must be verified with the fuse of the power meter before powering it on

Back 68

rating of the fuse

Front 69

over range capability of the digital power meter

Back 69

20%

Front 70

the two power range dials for the power meter

Back 70

8484A and 8481A

Front 71

pulse generator must be connected to the protective conductor of the power cable

Back 71

protective ground terminal

Front 72

generator transition mode involves reverse recovery times of transistors and diodes

Back 72

analog fixed transition mode

Front 73

generator transition mode that involves stress tests of capacitors and thyristors

Back 73

analog linear transition mode

Front 74

waveshape range of the external input on the pulse generator

Back 74

plus or minus 20 V

Front 75

calibrated networks of resistors are called

Back 75

attenuators