ADC ADDC1 instruction manual THD+N vs. Level, 1 KHz, KHz LPF unweighted

Page 22

THD+N vs. Level, 1 KHz

w/20 kHz LPF unweighted

Below –4 dBFS, distortion is lower than the noise floor of the converter. Above –3 dBFS, distortion reaches a maximum value of only –107 dBFS.

ADC1 Instruction Manual

Page 22

Image 22

Contents Benchmark ADC1 Channel 24-bit 192-kHz Audio Analog-to-Digital ConverterSafety Information Federal Communications Commission FCC Notice OnlyContents Overview Page Features Clock Reference Input ConnectionsBalanced Analog Line Inputs To adapt to unbalanced sourcesAES/EBU XLR Output Digital OutputsOptical Output Adat S/MUX4 Optical Output Mode Adat Optical Output ModeAdat S/MUX2 Optical Output Mode SPDIF/AES BNC Main and Aux OutputsWord Clock Reference Output AC Power Entry ConnectorFuse Holder Operation Mode Switch and DisplayTo program the conversion mode Programming the OutputsTo synchronize with an external clock source Selecting a Fixed Frequency Using the Internal Clock SourceReading Sample Rates off of the Mode Display To select a fixed sample frequency on the Main OutputsAdat or AES/EBU on the Optical Output Resetting the ADC1 to Factory Default SettingsProgramming the Aux Output Meter DisplayFirst Stage Gain Adjusting Input GainSecond Stage Gain Controls Rack Mounting Sample Rate is the Key that Controls S/MUX Using Adat S/MUXProper S/MUX Identification is a Must MUX should not be used for Sample Rate ConversionUltraLock … What is It? Problem #1 Put UltraLock converters to the testWhat UltraLock converters cannot do Performance Frequency ResponseInter-Channel Phase Response KHz LPF unweighted THD+N vs. Level, 1 KHz32K B-H FFT, Idle Channel Noise 32K B-H FFT, -3 dBFS, 1 KHz 32K B-H FFT, -3 dBFS, 10 KHz Analog Audio Inputs SpecificationsWorldclock Reference Output Digital Audio Outputs Audio Performance Group Delay Latency LED Status IndicatorsDimensions AC Power RequirementsWeight Page Warranty Information Benchmark 1 Year WarrantyBenchmark Extended 5* Year Warranty Benchmark Extended WarrantyBenchmark Media Systems, Inc