Digigram PCX 22 Bedienungsanleitung
PCX22
Digigram
Professional Audio Card
User’s manual
Digigram
2
Copyright 2000 Digigram.All rights reserved.
No portion of this manual may be reproduced without prior written consent from
Digigram. The copyright protection claimed here includes photocopying,
translation and/or reformatting of the information contained in this manual.
Digigram is not responsible for errors and omissions and reserves the right to
make improvements or changes without prior notice.
Digigram and Xtrack are registered trademarks of Digigram. PCXpocket,
PCXtools and PCX Designer Kit are trademarks of Digigram. Other trademarks
are property of their respective holders.
INFORMATIONFORTHEUSER
This device complies with part 15 of FCC rules. Operation is subject to the
following two conditions: (1) This device may not cause harmful interference,
and (2) This device must accept any interference received, including
interference that may cause undesired operation.
This equipment has been tested and found to comply with the limits for a CLASS
B digital device, pursuant to Part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates, uses, and can radiate radio
frequency energy and, if not installed and used in accordance with the
instructions contained in this data sheet, may cause harmful interference to
radio and television communications. However, there is no guarantee that
interference will not occur in a particular installation.
If this equipment does cause harmful interference to radio or television reception,
which can be determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of the following
measures:
• reorient or relocate the receiving antenna
• increase the separation between the equipment and the receiver
• connect the equipment into an outlet on a circuit different from that of the
receiver
• consult the dealer or an experienced audio television technician.
NOTE: Connecting this device to peripheral devices that do not comply with
CLASS B requirements or using an unshielded peripheral data cable could
also result in harmful interference to radio or television reception. The user is
cautioned that any changes or modifications not expressly approved by the
party responsible for compliance could void the user’s authority to operate this
equipment. To ensure that the use of this product does not contribute to
interference, it is necessary to use shielded I/O cables.
EMC: This card has been tested and found to comply with the following standards:
· International: CISPR22 Class B.
· Europe: EMC 89/336/CEE (1992) specifications.
· United States: FCC Rules-Part 15-Class B (digital device).
In order to guarantee compliance with the above standards in an installation, the
following must be done:
· Connectors must have a conductive shell.
· Cables must be shielded and their shield must be tightly connected to the
shell of the connectors.
· A good contact must exist between the bracket and the PC frame.
PCX 22
User’s Manual
3
OVERVIEW
Features
•Audio card for PCI bus.
•Two analog mono outputs.
•One digital stereo output.
•One stereo headphone output.
•One digital sync input.
Hardware requirements
•One card slot, PCI 2.1 compliant.
•One available IRQ line.
Software requirements
•Digigram npRuntimeversion 5.31 or higher (includes Wave driver).
Available options
•Analog breakout cable
•Digital breakout cable
Hardwareinstallation
Installing the card
Check for a free PCI expansion slot and gently insert the card. Press down to
set it firmly into the slot and tighten the screw.
Interrupt request
The Interrupt Request (IRQ) number is set up at start-up by the PCI PnP
BIOS. Be sure there is at least one IRQ resource available.
I/O address
Addresses are set up at start-up by the PCI PnP BIOS.
Thermal issues
Under heavy use, temperature may increase. Therefore, cards should be
installed vertically and an additional fan in front of the cards may be
necessary.
Digigram
4
SPECIFICATIONS
Audio outputs
Analog outputs
• 2 balanced analog outputs (can be used as unbalanced).
• maximum level: +22dBu (software adjustable)
• output impedance < 100Ohms.
• 24 bit digital to analog converters (64 x oversampling delta-sigma).
• output level adjustment: down to - 91.5dBu by 0.5dB steps.
Digital output
• 1 AES/EBU or S/PDIF. Transformer coupled.
• 24 bits available.
• synchronization with digital input complies with AES 11
Headphone output
• 3.5mm TRS stereo jack
Other inputs
Digital Sync input
• 1 AES/EBU or S/PDIF. Transformer coupled.
Processing
Processing power is provided by a Motorola 56002 DSP associated with
384 kbytes of highspeed RAM.
Analog performance
• Sampling frequency:
8, 11.025, 16, 22.05, 24, 32, 44.1, 48 kHz available
(complying with AES-11)
• Signal / Noise ratio (un-weighted): better than 93 dB.
• Total Harmonic Distortion + Noise (un-weighted): better than - 90 dB
(0.003%) with 1kHz signal at -1 dB FS (+21 dBu).
• Frequency response (20Hz/20kHz): ± 0.1 dB .
• Difference in phase (20Hz/20kHz): 0.2° / 2°
• Interchannel isolation: better than - 95 dB
Characteristics measured at 48 kHz sampling frequency.
Physical
• Card designed for PCI bus. 176 mm length, 99 mm height
Power consumption (typical)
• + 5 V: 500mA, + 12 V: 200mA, - 12 V: 100mA
PCX 22
User’s Manual
5
LAYOUTANDCONNECTIONS
Layout
Connectors
J1 - Headphone (3.5 mm TRSfemale jack)
J2 - Analog Audio connector. (sub-D 15, female)
Digigram
6
Contact Signal
sleeve ground
tip left channel
ring right channel
pin # Signal pin # Signal
1R Out + 9R Out –
2GND 10 L Out +
3LOut – 11 GND
4GND 12 GND
5GND 13 NC
6NC 14 GND
7NC 15 L In –
8GND
J3 - Digital connector (Sub-D15 high density, female)
Switches
All switches are factory set to “on”. To insure a proper use of this card, they
must not be changed.
SCHEMATICDIAGRAM
pin# Signal pin# Signal
1NC 9GND
2NC 10 NC
3NC 11 NC
4AES/EBU SYNC – 12 NC
5AES/EBU SYNC + 13 NC
6NC 14 AES/EBU OUT+
7GND 15 AES/EBU OUT –
8
NC
PCX 22
User’s Manual
7
DU 145800101 IS=B
www.digigram.com
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Digigram Inc. USA
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