Solidyne 462dsp, User Manual

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Page 38
SOLIDYNE 462
dsp - broadcast digital processor
SC-100 Digital Stereo Generator
16x Oversampling - Very Low Distortion
Audio Input Impedance 600/5 kOhms
Audio Input Level 1,5 V rms for 5 Vpp at MPX out @ 400 Hz
MPX Output
Differential output, BNC connector, floating ground 50 ohms
Allows 45 dB canceling buzz & noise due to ground loops
Composite Output Level 2 - 5.5 Volts pp, adjustable from LCD display
Frequency Response
20-14.000 Hz +/- 0,1 dB
Elliptical low pass filter; -1 dB at 15 kHz / -60 dB at 19 kHz
Audio Input Filtering 15 kHz, active FDNR filter 5 poles, elliptical
Total Distortion 0.003 % at 1 kHz.
Signal to Noise Ratio 95 dBA or better, Ref 100% modulation.
Stereo Separation 75 dB at 400 Hz / > 65 dB; 30-15.000 Hz.
Crosstalk
Main to sub & sub to main due to amplitude and phase
nonlinearities of left and right channels, 30-15.000 Hz; 65 dB
minimum, below 100% modulation.
38 kHz Suppression 75 dB minimum below 100% modulation.
57, 76 and 95 kHz
Suppression
75 dB minimum below 100% modulation.
76 kHz Sideband Suppression 75 dB minimum below 100% modulation.
Pilot Level Adjusted 7-12 % from rear panel preset control
Pilot Protection 70 dB at 19 Khz
RDS channel protection > 60 dB
Pilot Stability +/- 0.05 Hz, 0 to 50 °C.