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Issue Date: 28 September 2007
740C
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SERVICE MANUAL
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SPECIFICATIONS:
D/A converters Dual Wolfson
WM8740 24 bit DACs
Digital filter Analog Devices Black Fin
ADSP-BF532 32 bit DSP
Performing ATFTM
Upsampling to 24 bit 384kHz
Analog filter 2 Pole Dual Differential Bessel
Double Virtual Earth Balanced
Frequency Response 20Hz to 20 kHz (+/-0.1dB)
THD @ 1kHz 0dBFs < 0.0008%
THD @ 1kHz -10dBFs < 0.0005%
THD @ 20kHz )dBFs < 0.001%
IMD (19/20kHz) 0dBFs < 0.0006%
Linearity @ -90dBFs >113dB
Total correlated jitter <130pS
Crosstalk @ 1kHz < -130dB
Crosstalk @ 20kHz < -110dB
Output impedance < 50 ohms
Digital input word widths supported 16