Alpha 9500 HF Specifikace stáhnout pdf (Strana 81)

Alpha Radio Products

Product Release 1

DOCNUMBER 9500

Document Issue 1, Revision 7

June 2009 Terminology–1

Terminology

NOTE: For detailed explanations of the following terms, see various publications including the latest

American Radio Relay League (ARRL) Handbook.

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.

AWG — American wire gauge. Standard method

of denoting wire diameter.

B1 — Modulation class AB1. Amplifier-circuit

class that provides good linearity in push-pull

configuration.

CW — Continuous wave. Electromagnetic wave

of constant amplitude and frequency.

dB — Decibel. Logarithmic unit of measure of the

power of sound relative to a reference level.

exciter — Radio that provides RF drive for the

ALPHA 9500 to operate.

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Alpha 9500 HF Specifikace Strana 81