CYP DCT-1 User manual

DCT-1
Optical to Analog Audio Converter
Operation Manual
Operation Manual

DISCLAIMERS
The information in this manual has been carefully checked and
is believed to be accurate. Cypress Technology assumes no
responsibility for any infringements of patents or other rights of third
parties which may result from its use.
Cypress Technology assumes no responsibility for any inaccuracies
that may be contained in this document. Cypress also makes no
commitment to update or to keep current the information contained
in this document.
Cypress Technology reserves the right to make improvements to this
document and/or product at any time and without notice.
COPYRIGHT NOTICE
No part of this document may be reproduced, transmitted,
transcribed, stored in a retrieval system, or any of its part translated
into any language or computer le, in any form or by any means—
electronic, mechanical, magnetic, optical, chemical, manual, or
otherwise—without express written permission and consent from
Cypress Technology.
© Copyright 2011 by Cypress Technology.
All Rights Reserved.
Version 1.1 August 2011
TRADEMARK ACKNOWLEDGMENTS
All products or service names mentioned in this document may be
trademarks of the companies with which they are associated.

SAFETY PRECAUTIONS
Please read all instructions before attempting to unpack, install or
operate this equipment and before connecting the power supply.
Please keep the following in mind as you unpack and install this
equipment:
• Always follow basic safety precautions to reduce the risk of re,
electrical shock and injury to persons.
• To prevent re or shock hazard, do not expose the unit to rain,
moisture or install this product near water.
• Never spill liquid of any kind on or into this product.
• Never push an object of any kind into this product through any
openings or empty slots in the unit, as you may damage parts
inside the unit.
• Do not attach the power supply cabling to building surfaces.
• Use only the supplied power supply unit (PSU). Do not use the PSU
if it is damaged.
• Do not allow anything to rest on the power cabling or allow any
weight to be placed upon it or any person walk on it.
• To protect the unit from overheating, do not block any vents or
openings in the unit housing that provide ventilation and allow for
sufcient space for air to circulate around the unit.
REVISION HISTORY
VERSION NO. DATE DD/MM/YY SUMMARY OF CHANGE
RDV1 11/12/12 Preliminary Release
RDV2 26/12/12 Dimension
VS0 22/03/13 Updated format/diagrams

CONTENTS
1. Introduction............................................ 1
2. Applications........................................... 1
3. Package Contents ................................ 1
4. System Requirements............................ 1
5. Features.................................................. 2
6. Operation Controls and Functions....... 3
6.1 Front Panel.........................................3
6.2 Rear Panel .........................................3
7. Connection Diagram ............................ 4
8. Specications ........................................ 5
9. Acronyms ............................................... 5

1
1. INTRODUCTION
The Optical to Analog Audio Converter (DAC) provides the ideal
solution for converting an Optical digital audio signal to analog stereo
audio. With support for audio sampling rates up to 192 kHz/24-bit, it
provides high quality sound conversion.
This unit is perfect for use in digital recording systems, computer audio
systems or digital mixing consoles and can be powered from any
spare USB port allowing it to be used with USB equipped HDTVs, Blu-
ray players or computers without the need for a separate power
supply.
2. APPLICATIONS
• Converting digital optical audio into analog stereo
• Converting digital audio for output on analog stereo active
speakers
• HDTV with digital audio only output to analog amplier input
• Improving the digital to analog conversion quality from any stereo
optical digital audio source
3. PACKAGE CONTENTS
• Optical to Analog Audio Converter
• Operation Manual
4. SYSTEM REQUIREMENTS
Digital audio source device such as DVD/Blu-ray player or media
player with an optical output cable to a device such as an amplier
or AV receiver with analog stereo input.

2
5. FEATURES
• Supports optical digital audio signal input and conversion into
analog stereo audio output
• Supports uncompressed digital LPCM stereo audio input
• Supports LPCM audio sampling rates up to 192 kHz
• Supports S/PDIF bitstream 24-bit of data for the left and right
channels
• Compact, elegant design and easy to install
Note: Does not support the decoding of compressed audio signals
such as Dolby Digital and DTS.

3
6. OPERATION CONTROLS AND FUNCTIONS
6.1 Front Panel
OPTICAL IN USB 5V
RL
Optical to Analog Audio Converter
LINE OUT
1 2 3
1
OPTICAL IN: Connect the Optical input to an Optical digital audio
source, such as a Games Console, HDTV or Set-top Box.
2
USB 5V: Connect the USB power port to any powered USB port with
a Mini-USB cable or Mini-USB to AC adaptor.
3
Power LED: The LED will illuminate when connected to power.
6.2 Rear Panel
OPTICAL IN USB 5V
RL
Optical to Analog Audio Converter
LINE OUT
1
1
R/L LINE OUT: Connect the L/R analog audio output to the input of
your AV Receiver or audio system.

4
7. CONNECTION DIAGRAM
OR
Digital
Optical
Input
Analog
Stereo
Output
HDTV without
Analog Audio Output
Power Supply
USB
Power
AV Receiver
(with a spare analog input)

5
8. SPECIFICATIONS
Input Port 1×Optical
Output Port 1×L/R (2×RCA)
Power Supply Powered by USB bus
Output Level 1.800 Vrms
THD+N < 0.01 %
Frequency Response < 0.5 dB
SNR > 104 dB
Crosstalk < -120 dB
Dimensions 55 mm (W)×80.5 mm (D)×22.5 mm (H)
Weight 65 g
Chassis Material Plastic
Silkscreen Color White
Operating Temperature 0 ˚C~40 ˚C/32 ˚F~104 ˚F
Storage Temperature −20 ˚C~60 ˚C/−4˚F~140 ˚F
Relative Humidity 20~90 % RH (non-condensing)
9. ACRONYMS
ACRONYM COMPLETE TERM
DAC Digital to Analog Converter
RCA Audio Connector (Radio Corporation of America)
S/PDIF Sony/Philips Digital Interconnect Format
SNR Signal-to-noise Ratio
THD Total Harmonic Distortion
USB Universal Serial Bus

Home page: http://www.cypress.com.tw
CYPRESS TECHNOLOGY CO., LTD