Glossary - Motorola APX 3000 Basic Service Manual

Glossary

This glossary contains an alphabetical listing of terms and their definitions that are applicable to
ASTRO portable and mobile subscriber radio products.
Term
A/D
Abacus IC
active channel
ACK
ADC
ADDAG
analog
Analog-to-Digital,
Digital-to-Analog
and Glue
analog-to-digital
conversion
analog-to-digital
converter
ASTRO 25 trunking
ASTRO conventional
automatic level
control
autoscan
band
BGA
ball grid array
Call Alert
See analog-to-digital conversion.
A custom integrated circuit providing a digital receiver intermediate
frequency (IF) backend.
A channel that has traffic on it.
Acknowledgment of communication.
See analog-to-digital converter.
See Analog-to-Digital, Digital-to-Analog and Glue.
Refers to a continuously variable signal or a circuit or device designed
to handle such signals. See also digital.
An integrated circuit designed to be an interface between the radio's
DSP, which is digital, and the analog transmitter and receiver ICs.
Conversion of an instantaneous dc voltage level to a corresponding
digital value. See also D/A.
A device that converts analog signals into digital data. See also DAC.
Motorola standard for wireless digital trunked communications.
Motorola standard for wireless analog or digital conventional
communications.
A circuit in the transmit RF path that controls RF power amplifier output,
provides leveling over frequency and voltage, and protects against high
VSWR.
A feature that allows the radio to automatically scan the members of a
scan list.
Frequencies allowed for a specific purpose.
See 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.
Privately paging an individual by sending an audible tone.
Definition
Glossary