List of Abbreviations R&S M3SR Series 4100 HF Transceivers
v 6124.9007.82.01
F/f frequency
F1D frequency modulation (FSK - frequency shift keying, modem operation)
F3E frequency modulation (voice communication)
FEC forward error correction
FF fixed frequency
FILL Fillgun
Fig. figure
FP front panel
FPGA field programmable gate array
FRAM ferroelectric RAM
FSK frequency shift keying
GND ground
GPS global positioning system
H3E amplitude modulation (one sideband)
hex hexagonal
HF high frequency
HP highpass
HU height unit
Hz Hertz
I input
IBIT initiated built-in test
IBP internal bandpass
IF intermediate frequency
IIC inter integrated circuit
INT internal
IQ inphase/quadrature (modulation)
IrDA infrared data association/access
ISB independent sideband
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