Shared Flashcard Set

Details

Audiotronics
Final Exam Review
71
Other
Undergraduate 1
04/19/2011

Additional Other Flashcards

 


 

Cards

Term
Some examples of _________ are diodes, and transistors
Definition

Active Components

Term
__________ shows the physical placement of a lightly abrasive plug to clean jacks.
Definition
Assembly drawings
Term
__________ shows the physical placement of all the parts.
Definition
Assembly drawings
Term
_________ a lightly abrasive plug to clean jacks
Definition
burnisher
Term
_________ for neatly tying and bundling cables
Definition
cable ties
Term
_________ is on and flowing by design.
Definition
Closed Circuit
Term
The color/wiring for XLR pins 1, 2, 3 is _______
Definition

Hi -2- White

Lo-3-Black

Gnd-1-Shield

Term
_______ an amplified mult
Definition
Direct Out
Term
Equipment used for troubleshooting:
Definition
Oscilloscope, oscillator, and DMM
Term
__________ is unitless
Definition
Gain
Term
___________ insulating so things don't short out/ cosmetically covering
Definition
Heatshrink tubing
Term
IC sockets / Chip carriers:
Definition
easy fast replacement
Term
______ a plug with a hole through it to spray contact cleaner into a jack
Definition

Injector

Term
_____ a jack with a send and return in it
Definition
Insert
Term
________, ________, ________ : leg names of a bipolar transistor
Definition
emitter, base, collector
Term
_______, _______, _______ :Leg names of a FET transistor.
Definition
source, gate, drain
Term
Line in Pro line level ____, consumer level ____
Definition
4 dB, 10 dBV
Term
For ______ the signal level is the millivoltage
Definition
Mic in
Term
Name of common basic digital logic gates:
Definition
AND, NAND, NOR, OR
Term
_______ Switches inside a jack patch
Definition
Normalling contacts
Term
________ Infinite Ohms
Definition
Open circuit
Term
___________ anywhere from 3V to 18 VDC
Definition
The operating voltage for CMOS digital logic gates
Term
The operating voltage for TTL digital logic gates is _____
Definition
3 VDC
Term
________ has splits in the circuit path
Definition
Parallel circuit
Term
___________ has multiple bits sent at one time
Definition
Parallel data transmission
Term
Parts of a PSU and function of each :
Definition

a) LED - Plugs into wall outlet

b) switch - connects circuit to supply voltage

c) fuse - protects circuit from over current

d) transformer - steps voltage up or down

e) diode (bridge rectifier) -converts AC into DC

f) zener diode - regulates output voltage

capacitor - smooths DC ripple

Term
________ don't need DC power to turn them on
Definition
Passive components
Term
To find Pin 1 on an IC chip:
Definition
 reference the dot, bar, or notch on top of the chip.
Term
PSU stands for ___________
Definition
Power Supply Unit
Term
__________ have equivalent replacement parts that can be ordered
Definition
Reference manuals
Term
_______________ shows the signal flow
Definition
Schematic drawings
Term
______________ is one bit at a time
Definition
Serial data transmission
Term
__________ has no splits in the path
Definition
Series circuit
Term
__________ is typically O 0hms not by design
Definition
Short circuit
Term
_____ stands for test point
Definition
TP
Term
The turn on voltage for a silicon diode is ___
Definition
6 VDC
Term
The voltage across a short is _____
Definition
0
Term
The voltage across an open is ______
Definition
undefined
Term
For Voltage Regulators 78xx is _______ and 79xx is _________
Definition
positive, negative
Term
What does an op amp do?
Definition
It only lets through what is different on positive vs. negative input
Term
When connecting an oscillator:
Definition
turn the volume down
Term
Wide metal runs ______
Definition
ground
Term
Zener diode function regulates ______
Definition
voltage
Term
The inverting input pin of an op am is ____
Definition
3 (Just Phantom power is DC)
Term
A ____________ amplifies the difference between the two signals at its inputs
Definition
differential op amplifier
Term
In audio, op amps can be used for:
Definition

Amplifying (pre-amps)

Inverting (phase buttons)

Summing amps (sub groups, auxillary sends, etc.)

Active EQs

Oscillators

Changing Impedance ( hi Z to low Z, buffers)

 

Balancing: noise reduction called CMR (common mode rejection)

Comparitors (peak meters, threshold settings on gates/compressors)

VCAs (voltage controlled amplifiers)

Compressors (in the compression circuitry

Term
There are two main transistor families : _______ and ________
Definition
Bipolar and MOSFET
Term
____ indicates the bipolar digital gate family and stands for "transistor-transistor logic."
Definition
TTL
Term
The operating level for TTL bipolar digital gates is _____ 
Definition
+5 V dc
Term
The operating level for CMOS digital ICs is a fixed value between _____ and ______
Definition
+ 3v dc and + 18 V dc
Term
_______ chips are sensitive - always wear a ground strap when handling them
Definition

CMOS IC

Term
_____ is a guaranteed diode 
Definition
0.0x
Term
Troubleshooting a console I/O module will require:
Definition

XLR cable with a PCB connector

a fader

an oscilloscope with two probes

an oscillator

a DMM

two 9V batteries

Term
________ is used for insulating, strengthening, and cosmetically covering
Definition
Heatshrink tubing
Term
The three most important features in a service manual are the:
Definition

Schematic drawings

Assembly drawings

Parts description lists

Term
_________ are data books for purchasing parts and components that include details information on their specs
Definition
Reference manuals
Term
________ carries current/ signal from point A to B
Definition
jumper wire
Term
________ limits l flow
Definition
resistor
Term
________ divides E
Definition
variable resistor
Term
________ filters
Definition
capacitor
Term
_______ routes l flow
Definition
switch
Term
______ protects from l overload
Definition
fuse
Term
______ filters induces l flow
Definition
inductor
Term
_________ steps E up or steps l down (opposite E), changes Z, blocks DC
Definition
transformer
Term
_______ isolated switching
Definition
relay
Term
lets l flow in only one direction
Definition
diode
Term
_____ visually represents info
Definition
LED
Term
_______ amplifies switches
Definition
bipolar transistor
Term
_______ amplifies switches
Definition
FET transistor
Term
________ cleans V out
Definition
Voltage regulator
Term
_______ amplifies, inverts, balances, changes Z, oscillates, etc.
Definition
op amp
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