Motorola SSETM 5000 service manual Glossary, Alc

Glossary

This glossary contains an alphabetical listing of terms and their definitions that are applicable to portable and mobile subscriber radio products.

Term	Definition
A/D	See analog-to-digital conversion.
Abacus IC	A custom integrated circuit providing a digital receiver intermediate
	frequency (IF) backend.
ADC	See analog-to-digital converter.
ALC	See automatic level control.
analog	Refers to a continuously variable signal or a circuit or device designed
	to handle such signals. See also digital.
analog-to-digital	Conversion of an instantaneous dc voltage level to a corresponding
conversion	digital value. See also D/A.
analog-to-digital	A device that converts analog signals into digital data. See also DAC.
converter
antenna	Any structure or device used to collect or radiate electromagnetic
	waves.
automatic level	A circuit in the transmit RF path that controls RF power amplifier output,
control	provides leveling over frequency and voltage, and protects against high
	VSWR.
band	Frequencies allowed for a specific purpose.
BBP	See baseband interface port.
baseband interface	Synchronous serial interface to the transceiver board used to transfer
port	transmit and receive audio data.
BGA	See ball grid array.
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.
clear to send	A handshaking signal (used in communication links, especially RS232)
	used by a transmitter to indicate to a receiver that transmission may
	proceed. Generated in response to a request-to-send signal. See also
	request to send.
CODEC	See coder/decoder.