RF Concepts LLC PA-77DF User Manual
RF Concepts, LLC
Product Release 1
Product Release 1
DOCNUMBER 9500
Document Issue 1.1
February 2010
February 2010
Page Term–1
Terminology
Terminology
NOTE: For detailed explanations of the following terms, see various publications including the latest
American Radio Relay League (ARRL) Handbook.
American Radio Relay League (ARRL) Handbook.
A
AC —
Alternating current. Electric current whose
magnitude and direction vary with time.
ALC —
Automatic Level Control. Technology
that automatically controls output power.
ampere —
Unit of electric current.
ARRL —
American Radio Relay League. US
national organization of amateur radio
operators. For more information, go to
www.arrl.org.
operators. For more information, go to
www.arrl.org.
AWG —
American wire gauge. Standard method
of denoting wire diameter.
B
B1 —
Modulation class AB1. Amplifier-circuit
class that provides good linearity in push-pull
configuration.
configuration.
C
CW —
Continuous wave. Electromagnetic wave
of constant amplitude and frequency.
D
dB —
Decibel. Logarithmic unit of measure of the
power of sound relative to a reference level.
E
exciter —
Radio that provides RF drive for the
Alpha 9500 to operate. The transmitter portion
of the transceiver.
of the transceiver.