Nautel NV40 Troubleshooting Manual

Also see for NV30: Operation and maintenance manual

Nautel NV40 Troubleshooting Manual Manual pdf 259 page image

NV40/NV30 Troubleshooting Manual List of termsIssue 3.2 2014-12-10 Page 7-1Section 7: List of termsThis section defines some of the terms that are used in Nautel documentation.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-channel and right-channel audio data to the receiving device.AUI. The Advanced User Interface is the 17-inch front panel that allows for extensive control andmonitoring of the transmitter.Cutback. A reduction in RF output power, caused by the occurrence of multiple shutbacks within apre-defined period.DHCP. Dynamic Host Carrier Protocol.DSP. Digital Signal Processing.EEPROM. Electrically Erasable Programmable Read-Only Memory.Foldback. A reduction in RF output power, caused by transmitter not acheiving the desired set pointpower level (typically this is related to high VSWR).HD Radio. High Definition (HD) Radio is another term for In-Band-On-Channel (IBOC)technology. HD Radio is a trademark of iBiquity Digital Corporation.IBOC. Nautel In-Band-On-Channel technology provides high quality digital audio over existing FMradio channels.Intermediate Power Amplifier (IPA). Refers to circuitry within the transmitter’s RF powermodules which amplifies the exciter's RF output to a level sufficient to drive the final RF amplifiers.LED. Light Emitting Diode (also referred to as lamp).LUT. Look-Up Table.MER. Modulation Error Ratio. This ratio quantifies (in decibels) the performance of a digital radiotransmitter.OFDM. Orthogonal Frequency Division Multiplexing is a digital data encoding method that usesmultiple narrowband carrier frequencies.

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