Nautel NX100 Installation Manual

Also see for NX100: Preinstallation manual Manual Troubleshooting manual Manual

Contents

Nautel NX100 Installation Manual Manual pdf 63 page image

NX100 Installation Manual List of termsIssue 3.2 2017-03-31 Page 12-1Section 12: List of termsThis section defines some of the terms that are used in Nautel documentation.ADC. Analog to Digital Converter.AES-EBU. Audio Engineering Society/European Broadcasting Union (AES/EBU) is the name of adigital audio transfer standard. The AES/EBU digital interface is usually implemented using 3-pinXLR connectors (the same type connector used in professional microphones). One cable carries bothleft and right-channel audio data to the receiving device.B+. The high voltage dc generated by the transmitter’s ac power supply for use within the transmitter.The B+ voltage is used to supply the transmitter’s modulators and other transmitter circuitry.Cutback. A reduction in RF output power, caused by a total power limit fault or the occurrence ofthree shutbacks within a five second period.DAC. Digital to Analog Converter.DAM. Dynamic Amplitude Modulation.DCC. Dynamic Carrier Control.DRM. Digital Radio Mondiale. A set of digital audio broadcasting technologies designed to workexisting AM radio channels.DSP. Digital Signal Processing.FPGA. Field Programmable Gate Array.HD Radio. HD Radio is another term for In Band On Channel (IBOC) technology. HD Radio is atrademark of iBiquity Digital Corporation.IBOC. Nautel In-Band-On-Channel technology provides high quality digital audio over existing AMradio channels.IPM. Incidental Phase ModulationLatching alarm. An alarm that, while active, keeps the transmitter in an ‘RF inhibited’ state. Thistype of alarm (e.g., High SWR Shutdown) require a reset - locally or remotely - to attempt to restoretransmitter operation.

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