Details Title: Audiotronic Description: quiz Total Flash Cards: 105 Created: 05/13/2007 13:19:19		New Users: To study from this flashcard set, or to create your own your own study flash cards, REGISTER HERE. Existing Users: CLICK HERE. Additional Music Flashcards
Cards in this set: Term AWG Definition America Wire Gauge= Gauge/diameter Term The Three Type of Shielding: Definition Braided/Swerved/Foiled Term The Three Types of Noise: Definition RFI/EMI/EST Term Shielding helps to reduce: Definition Noise Term Twisted Pairs help to: Definition Reduce/Reject Noise Term Sex of connectors: Jacks= Plugs= Definition Jacks=female Plugs=male Term Circuit ground is: Definition Zero Volt Reference Term HI=Tip=: Definition Pin#2=White Term Lo=Ring=: Definition Pin#3=Black Term GND=Sleeves=: Definition Pin#1=Shield Term American's Wall Outlets offer: Definition 120VrmsAC at 60 Hz Term Solder used in class are: Definition 60/40 Rosin Core:composed of 60% Tin and 40% lead Term What does OPEN means and value: Definition a connection where it not suppose to be and it value is infinity(ohms) EX. PIN#2 is open to PIN#1 Term What is SHORT means and values Definition a connection that is neant to be and about 0 ohms EX.PIN#1 is short to PIN#1 Term Desoldering fused connection with: Definition wick/bulb/pump or desoldering iron Term What does a DOT mean: Definition it represent an electrical connection Term IN/OUT(AES) Definition have no wires between the IN/OUT 's Term The solder terminals for the tip,ring,sleeve and normalling contacts can be founded using: Definition Plug and DMN Term Voltage: Definition the difference in electrical potential two point. Term Resistance: Definition the oppositionto current flow(given in ohms) Term the most common troubleshooting involves testing: Definition for ohms + volts Term The Three flavor of voltage are: Definition AC/DC/AC with a DC offset Term Oscilloscopes: Definition Display time and voltage Term when oscilloscope is set at AC Definition Blocks DC and display AC Term when oscilloscope is set at DC Definition Will display AC and DC Term when oscilloscope is set at GND Definition the point of 0 volts Term What Percent of isopropyl alcohol is use to clean: Definition 91%-99% Term MRL: Definition Magnetic References Laboratory Term in the USA,the EQ switch is set to NAB at: Definition 15/30 inches per sec. Term ANSI(US)nWb/m 520= 370= 320= 250= 185= Definition dB References to 185nWb/m 520=+9dB 370=+6dB 320=+5dB 250=+3dB 185=0dB Term nWb/m: Definition nanowebers per meter Term the higher the operating level: Definition the lower the noise floor Term what are L,M and H are setting for difference speeds Definition L=7 M=15 H=30 Term wind analog tape reel with the tails: Definition OUT Term Stores tapes in a environment: Definition cool dry Term Stores tapes in a environment: Definition cool dry Term Repro Azimuth/Recheck repro azimuth : Definition 10kHz Term Repro SRL: Definition 1kHz Term Sync Gain: Definition 1kHz Term Repro EQ treble: Definition 10kHz Term Sync EQ/treble: Definition 10kHz Term Bias: Definition 1kHz o 10kHz Term Input/source/level: Definition 1kHz@1.23Vrms Term Record level: Definition 1kHz Term Record EQ/treble: Definition 10kHz Term Record Azimuth: Definition 10kHz o 8kHz and 16kHz Term Recheck Rec EQ/treble: Definition 10kHz/1kHz Term ReproLF/SyncLF: Definition 100Hz Term Phase compensation: Definition 10 kHz/Square wave Term a Digital multi meter is used to measure: Definition ohms/volts/amps Term Turning on an active component require: Definition DC power Term Op amps and transistor are: Definition active Term transformer and inductor are: Definition Passive Term integrated circuits chip pin number can be founded by referencing the location of the Dot. The Dot = Definition Pin#1 Term Common IC chips type includes: Definition linear(operational amplifiers) digital(logic gates) component chip(resistors,capacitors and etc.) Term 78xx= 79xx= Definition 78xx= + 79xx= - Term The 4th band: Definition tolerance Term Open: Definition infinite ohms,no current flow Term closed: Definition has current flow by design Term Shorts: Definition current take the path of least resistance/0 ohms/not by design Term Series: Definition circuits path does not split/it add up Term Parallel: Definition circuits path splits Term Parallel voltage are always: Definition constant Term the voltage across a short= Definition 0 v Term Voltage across a working fuse= Definition 0 v Term Eletromotive Force(e)= Definition volts=pressure Term Current(i)= Definition Amps=flow Term Current(i)= Definition Amps=flow Term Resistance(R)= Definition ohms=blockage DC Term Impedance(z)= Definition ohms=blockage AC Term Power(p)= Definition Watts=work Term p means: i e Definition p/e or i and i * e Term p means: i r/z Definition p/i or r/z and i*r/z Term Bridge Rectifiers: Definition they direct all AC waves half cycles to travel in the same direction Term Bipolar transistors leads are called: Definition emitter,base + collector Term FET leads are called: Definition the source,gate,and drain Term what are Op amps schematic symbol: Definition inverting(-) and non-inverting(+) Term a differential op amplifier amplifies: Definition the difference between the two signal at its inputs Term unity gain= Definition gain of 1 Term what truth tables: Definition are used to show how a logic circuit's output responds to various combination of the inputs Term TTL(transistors-transistors logic)indicates: Definition the bipolar digital gate family Term the operating level for CMOS digital ICs is a fixed value between: Definition +3 Vdc and +18Vdc Term Single sided: Definition metal runs on only one side of the board Term Double sided: Definition metal runs on both sides of the board Term stuffed: Definition parts are soldered into the circuit board Term unstuffed: Definition no parts are soldered into the circuit board Term wide metal runs on a printed circuit board(PCB) are: Definition circuit ground Term soldering should be performedd quickly on a circuit board so that traces: Definition do not peel off. Term Repairing a PCB crack involves: Definition -use of insulated wire, -leaving stress excess -removing enamel, -knowledge of magnet wire enamel removal Term The three most important features in services manual are the: Definition -Schematic drawings -Assembly drawings -Parts description lists Term What is a Cross-Reference: Definition a companies offer the sales of the same component under different names Term what two ways of calibration use dry erase markers: Definition Zenith and Wrap Term A bad Zenith is: Definition trapezoid Term height: Definition rec. 1k at 0 VU and playback should be 0 VU Term Rack(forward/backward) is set by: Definition manufacturer Term Azimuth is set in electrical cal with: Definition an oscilloscope or monometer method Term What are common method for biasing are: Definition 10k overbias 1kHz peak method Term in europe, the 0dB nWb/m value is: Definition 200 Term 180nWb/m= (185 nWb/m at 700 Hz) Definition 0 dB Term 200 nWb/m= Definition +1 dB Term 250 nWb/m (260 nWb/m at 700 Hz) Definition + 3 dB Term 320 nWb/m Definition +5 dB Term 355 nWb/m -370 nWb/m Definition +6 dB Term 400 nWb/m Definition +7 dB Term 500 nWb/m Definition +9 dB