Dynamic Element Matching modificaties
De Bron CDD882 met TDA1541A s1 SAA7220p/b
Meten met 192 kHz Sampling, bandpass 96 khz , FFT 1M , avarages 8* power
Orginele TDA1541a S1 DEM clock met 860 pf, DEM-FREQ = 144 khz
DEM-mod Clock met 680pF + 6k81 DEM-FREQ = 215 kHZ
Grundig DEM , DEM-FREQ sync aan Wordclock 176.4 kHZ
Meten met 192 kHz Sampling, bandpass 96 khz , FFT 1M , avarages 8* power
1 Khz 0 dBFS 20 Hz – 20000 Hz
1 Khz 0 dBFS 20 Hz – 96000 Hz
1 Khz -20 dBFS 20 Hz – 20000 Hz
1 Khz -20 dBFS 20 Hz – 96000 Hz
1 Khz -60 dBFS 20 Hz – 20000 Hz
1 Khz -20 dBFS 20 Hz – 96000 Hz
Multitone -20 dBFS 20 Hz – 20000 Hz
Multitone -20 dBFS 20 Hz – 96000 Hz
Silence Dithered 20 – 20000 kHz
Silence Dithered 20 – 96000 kHz
Silence un-Dithered 20 – 20000 kHz
Silence un-Dithered 20 – 96000 kHz
Orgineel 680 PF 1 Khz Bandpass 22 Khz ongewogen
6K81 mod 1 Khz Bandpass 22 Khz ongewogen
Grundig Mod 1 Khz Bandpass 22 Khz ongewogen
Nog wat undithered toontjes gevonden op CBS test CD
Meten met 192 kHz Sampling, bandpass 96 khz , FFT 1M , avarages 16* power
Orgineel vs Grundig Dem 1 kHz 0 dBFS 20 – 20000 Hz
Orgineel vs Grundig Dem 1 kHz 0 dBFS 20 – 96000 Hz
Orgineel vs Grundig Dem 1 kHz -60 dBFS 20 – 20000 Hz
Orgineel vs Grundig Dem 1 kHz -60 dBFS 20 – 20000 Hz
Monotonicity 102.5 Hz 10LSB
