Question

RF Communications CITIZEN BAND RADIO TEST Read each question carefully. Write the letter for the correct answer in the blank space provided. 1. The Citizen Band frequency range is a. 27.965-28.405 MHz b. 26.965-27.405 kHz c. 27.965 -28.405 kHz d. 26.965 27.405 MHz 2, when intelligence is injected into the final RF power amplifier, it is considered a. low-level modulation b. high-level modulation c. RF power modulation d. mid-level modulation la PAFre is used to calculate the_. M2Pc 2 a. b. c. d. percent of audio modulation audio power in the carrier audio power needed to modulate a carrier audio power in high-level modulation 4. Incident traveling waves are a. the RF signal traveling through a transmission line b. reflected RF signals c. any RF signal incidently received d. wavelike oscillations in the antenna base 5. Standing waves are created when a. traveling incident waves stall in the antenna b. there is an impedance mismatch in the transmission system c. when a 1:1 impedance match is achieved d. when traveling incident waves reverse polarity 6-17 Copyright 2003 by Nida Corporation

Answer 1