®
PMD-100
PMD-100 Process Decoder
Digital Filter Compatibility & Comparison
The PMD-100 HDCD® Process Decoder is pin compatible with existing Digital Oversampling Filters: the NPC SM5842,
NPC SM5803, and BB DF1700. Pin for pin, the data and clock input and output lines are as follows:
Pin
1
Name
DIN
Description
Serial Data Input
2
6
BCKI
XTI
Bit Clock Input
System Clock Input
Right Channel Serial Data Output
Left Channel Serial Data Output
Word Clock Output
Bit Clock Output
23
24
25
26
28
DOR
DOL
WCKO
BCKO
LRCI
Word Clock Input
A general comparison of the different digital filter specifications are outlined in the following table:
Features
PMD-100
NPC
NPC
BB DF1700
SM5842
No
SM5803
No
HDCD Process Decoding Yes
No
Operating Modes
(Program/Stand-Alone)
Digital Attenuation
Stopband Attenuation
Dither Modes
Both
Stand-Alone only
Program only
Stand-Alone only
0-96dB (.188 steps) No
0-96dB (.188 steps) No
>120 dB
>117 dB
1 only
>110 dB
>110 dB
Choice of 8
8X, 4X, 2X
“Noise Shaping”
8X, 4X
None
8X
Oversampling Rates
8X
Input Word Length (bits) 16, 18, 20, 29
16, 18, 20, 24
16, 18
16
Output Word Length (bits) 16, 18, 20, 24
18, 20, 22, 24
256, 384
32, 44.1, 48
Soft, L & R
Independent
Yes
16, 18, 20
16, 18, 20
System Clock (Fs)
Input Sample Rate (kHz)
Muting
256, 384
32 - 55
192, 256, 384, 512 192, 256, 384, 512
32, 44.1, 48
Soft, L & R
Independent
Yes
32, 44.1, 48
None
Hard & Soft
Digital Deemphasis
“Jitter Free” Clocking
Yes
Yes
No
No
Yes
Yes
Pacific Microsonics, Inc.
32990 Alvarado Niles Road, Suite 910
Union City, CA 94587
21
Phone (510) 475-8000
Fax (510) 475-8005
ETC [ ETC ]
