Motorola PM1200, Basic Service Manual

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Glossary Glossary
This glossary contains an alphabetical listing of terms and their definitions that are applicable to
portable and mobile subscriber radio products. All terms do not necessarily apply to all radios, and
some terms are merely generic in nature.
Term Definition
A/D See analog-to-digital conversion.
ADC See analog-to-digital converter.
analog Refers to a continuously variable signal or a circuit or device designed
to handle such signals.
See also digital.
analog-to-digital
conversion Conversion of an instantaneous dc voltage level to a corresponding
digital value.
See also D/A.
analog-to-digital
converter A device that converts analog signals into digital data. See also DAC.
automatic level
control A circuit in the transmit RF path that controls RF power amplifier output,
provides leveling over frequency and voltage, and protects against high
VSWR.
band Frequencies allowed for a specific purpose.
baseband interface
port Synchronous serial interface to the transceiver board used to transfer
transmit and receive audio data.
ball grid array A type of IC package characterized by solder balls arranged in a grid
that are located on the underside of the package.
CODEC See coder/decoder.
coder/decoder A device that encodes or decodes a signal.
CPS See Customer Programming Software.
Customer
Programming
Software Software with a graphical user interface containing the feature set of a
radio.
D/A See digital-to-analog conversion.
DAC See digital-to-analog converter.