Term
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Definition
| Infinite ohms, No current flow |
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Term
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Definition
| Has current flow by design |
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Term
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Definition
| Current takes the past of least resistance, Typically 0 ohms, not by design |
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Term
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Definition
| Circuit path does not split |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
| infinite ohms, current can't flow across it |
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Term
| When loudspeakers are connected in series, series ohms add. |
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Definition
Znet = Z1 + Z2 + Z3
= 8 + 8 + 4
= 20 ohms |
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Term
| When loudspeakers are connected in parallel |
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Definition
Znet = 1/
1/Z1 + 1/Z2 + 1/Zn
where n = the total number of parallel elements. |
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Term
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Definition
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Term
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Definition
| Current, and is measured in Amps |
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Term
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Definition
| Electromotive Force, measured in Volts |
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Term
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Definition
| Resistance, measured in Ohms |
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Term
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Definition
| Impedance, measured in Ohms |
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Term
| Formula for total I (current) of a system |
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Definition
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Term
| Turning on an active component requires |
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Definition
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Term
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Definition
| Diodes, Transistors, Op amps, Digital logic gates, Relays |
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Term
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Definition
| Direct all AC wave halfcycles to travel in the same direction - in essence changing AC into DC |
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Term
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Definition
| Emitter, Base, and Collector |
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Term
| FET (Field Effect Transistor) leads |
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Definition
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Term
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Definition
| High-gain amplifers found in audio applications |
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Term
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Definition
Amplifying (pre-amps)
Inverting (phase buttons)
Summing amps (subs 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 meterss, threshold settings on gates/compressors)
VCAs (voltage controlled amplifiers)
Compressors (in the compression circuitry) |
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Term
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Definition
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Term
| Digital data is represented |
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Definition
| As binary, on/off, hi/low, 1/0, voltage/no voltage |
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Term
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Definition
| Uses IC chips for digital applications |
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Term
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Definition
AND, NAND, OR, NOR, EXOR, EXNOR, and INVERTER
Know the symbols |
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Term
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Definition
Show how a logic circuit's output responds to various combinations of the inputs
Know how to read logic state truth tables |
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Term
| Two main digital transistor families |
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Definition
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Term
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Definition
| Bipolar digital gate family, stands for "trasistor-transistor logic" |
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Term
| The operating lever for TTL bipolar digital gates is |
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Definition
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Term
| Operating level for CMOS digital ICs is |
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Definition
| Fixed value between +3Vdc and +18Vdc |
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Term
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Definition
| static sensitive, always wear ground strap when handling them |
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Term
| 4 Types of Patch Bay connections that can be soldered |
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Definition
Mult - used to copy an analog signal
In/Out - used to gain access to outboard gear
Fully Normalled - either the send (top) or return (bottom) jack will break signal through the patch bay
Half Normalled - only the return (bottom) jack will break signal through the patch bay |
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Term
| 3 keys components of a circuit |
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Definition
| Assembly drawing, Schematic drawing, Parts list |
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Term
| If two lines cross with no dot at the crossing point |
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Definition
| Theyre typically not connected |
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Term
| Purpose of an IC socket or chip carrier |
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Definition
For fast chip replacement w/ no soldering required
To keep soldering iron heat off of the chip |
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Term
| Terms describing printed circuit boards |
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Definition
| Single-sided, Double-sided, Stuffed, Unstuffed |
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Term
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Definition
| Metal runs on only one side of the board |
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Term
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Definition
| Metals runs on both sides of the board |
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Term
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Definition
| Parts are soldered into the circuit board |
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Term
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Definition
| No parts are soldered into the circuit board |
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Term
| Wide metal runs on a printed circuit board are typically |
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Definition
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Term
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Definition
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Term
| Power switch turned off, to turn the device on |
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Definition
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Term
| How many volts across a good fuse |
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Definition
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Term
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Definition
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Term
| How many ohms is an open circuit |
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Definition
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Term
| Which family of gates has the highest voltage of operating range |
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Definition
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Term
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Definition
| Bulb, Pump, Wick, Desoldering Vacum, Desoldering Iron |
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Term
| Piece of gear w/ bad component, how can you find out more about that single component |
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Definition
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Term
| Looking on regular PC board, seeing really wide metal runs. What would be connected to them |
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Definition
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Term
| Advantage of using IC socket |
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Definition
Easy to replace
No soldering heat to chip |
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Term
| You check these w/ dry erase marker and duck tape to check |
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Definition
| Zenith and Wrap pg. 114-115 |
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Term
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Definition
| +8 operating level page. 117 |
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Term
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Definition
| 1 peak method, 10 k over bias, pg. 118 |
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Term
| 4 diodes hook together to do rough version of AC to DC |
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Definition
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Term
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Definition
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Term
| 4 things to test I/O module |
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Definition
| Ossilator, Othiscope, Power Supply Unit, DMM |
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Term
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Definition
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Term
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Definition
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Term
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Definition
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Term
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Definition
| Connects circuit to supply voltage |
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Term
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Definition
| Protects circuit from over current |
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Term
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Definition
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Term
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Definition
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Term
| Troubleshooting a console I/O module will require |
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Definition
| XLR cable w/ a PCB connector, a fader, an oscilloscope w/ two probes, an oscillator, a DMM, two 9V batteries, etc. |
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Term
| Applications that don't include an uninstall program will need to |
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Definition
| Removed by using the Add or Remove Programs utility in the Control Panel |
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Term
| When removing a program stray bits and pieces of data may be |
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Definition
| Left behind by the uninstall |
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Term
| Proper program removal is key to maintaining |
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Definition
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Term
| When installing a program |
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Definition
| New files can end up spread among several directories, and existing files may be changed. |
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Term
| The uninstallation program for most appplications will generally be located |
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Definition
| In the same directory as the application itself |
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Term
| The Windows Device Manager in System Tools maintains |
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Definition
| A list of the hardware installed on your computer |
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Term
| A yellow exclamation point is used to indicate |
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Definition
| When an installed device has an issue |
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Term
| Double clicking the exclamation point will reveal |
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Definition
| The status box for that device |
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Term
| If a problem exists w/ the IRQ, or memory address, the device |
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Definition
May have to be moved to another expansion slot
The options may have to be changed in the BIOS, or the device driver may need to be reinstalled
IRQ can be sometimes the hardest issues to resolcve when dealing w/ nw, fully-loaded computers. |
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Term
| The system tray is the section of the taskbar in Windows that displays |
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Definition
The icons for applications running in the background.
Most of the tasks in the system tray are exhausting valuable memory and CPU power in order to operate. |
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Term
| Most of the tasks in the system exhausting ( ) in order to operate. |
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Definition
valuable memory and CPU power
These applications can usually be disabled by right-clicking their icons and selecting Exit.
The will free up the resources being used by those unnecessary programs, and will increase system performance while running multimedia applications. |
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