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Veelvoorkomende termen/afkortingen

 

AGC Automatic gain control
 
ATT Receiver front end ATTenuator
 
Carrier A steady radio frequency signal that is modulated to add an information signal to be transmitted.
 
DBF DSP Bandpass Filter - enhances the receiver’s selectivity by allowing signals to go through it only if they are within a certain range of frequencies. It attenuates signals above and below this range.
 
DNF DSP Notch Filter - helpful in removing one or more offending carriers from the audio passband
 
DNR DSP Noise Reduction - enhances signal-to-noise ratio on weak signals
 
DSP Digital Signal Processor -
 
IF Shift Adjust the center frequency of the IF filter’s passband response.
 
IPO Intercept Point Optimization - bypasses the receiver preamplifier
 
PSK Phase Shift Keying
 
RTTY Radioteletype - Digital mode where radio signals sent from one teleprinter machine to another machine.
 
SSB Single Side Band - A common mode of voice operation on the amateur bands. Single-sideband signals use the upper sideband (USB -- that part of the signal above the carrier) or the lower sideband (LSB -- the part of the signal below the carrier). SSB transceivers allow operation on either USB or LSB.
 
SWR Standing Wave Ratio - A measure of the impedance match between the feed line and the antenna.
 
TCXO Temperature Compensated Crystal Oscillator - stable master oscillator so that the frequencies indicated by the radio's display are acurate and stable as the radio warms up.
 
Watt The unit of power in the metric system. The watt describes how fast a circuit uses electrical energy.

 

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