Glossary - Motorola ASTRO XTL 1500 Detailed 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
ADC
ADDAG
ALC
analog
Analog-to-Digital,
Digital-to-Analog
and Glue
analog-to-digital
conversion
analog-to-digital
converter
automatic level
control
band
BBP
baseband interface
port
BGA
ball grid array
CODEC
codeplug
See analog-to-digital conversion.
A custom integrated circuit providing a digital receiver intermediate
frequency (IF) backend.
See analog-to-digital converter.
See Analog-to-Digital, Digital-to-Analog and Glue.
See automatic level control.
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.
A circuit in the transmit RF path that controls RF power amplifier output,
provides leveling over frequency and voltage, and protects against high
VSWR.
Frequencies allowed for a specific purpose.
See baseband interface port.
Synchronous serial interface to the transceiver board used to transfer
transmit and receive audio data.
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.
See coder/decoder.
A memory chip inside a device that contains various programmable
parameters, including frequencies, time-out timer, and so on.
Definition
Glossary