Frequency Multiplier - 체배기

RIT - Receiver Incremental Tuning / Receive independant of Transmit
XIT - Transmitter Incremental Tuning

VFO - Variable Frequency Oscilator
BFO - Bit Frequncy Osciliator (헤테로다인 발진기)

AGC - Auto. Gain Control
AFC - Auto. Frequency Control
AVC - Auto. Volume Control

ATT - ATTenuator
PTT - Push-To-Talk

SSB - Single Side Band
DSB - Double Side Band
USB - Upper Side Band
LSB - Lower Side Band

--- 공식
V=IR
출력P = 실효저항 * 안테나전류 

전계강도 V = 유기전압 Eo / 실효높이 He

lamdba = c / f  (c= 3*10^8m/s)

변조도 = 변조신호(Am) / 반송파신호(Ac)

병렬 저항 = (a * b) / (a + b) 
Posted by 구차니