Miranda ASD-771p Manual To Installation And Operation Download Page 1

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ASD-771p

AES/EBU Analog

To Digital

Converter

Guide to Installation

and Operation

M308-9900-101

Miranda Technologies Inc.

Specifications may be subject to change.

Printed in Canada

August 2002

ASD-771p

picoLink Series

Miranda

Technologies inc.

3499 Douglas-B.-Floreani

St-Laurent, Québec, Canada H4S 1Y6

Tel. 514-333-1772

Fax. 514-333-9828

www.miranda.com

Summary of Contents for ASD-771p

Page 1: ... M308 9900 101 Copyright 2002 MirandaTechnologies Inc Specifications may be subject to change Printed in Canada August 2002 ASD 771p picoLink Series Miranda Technologies inc 3499 Douglas B Floreani St Laurent Québec Canada H4S 1Y6 Tel 514 333 1772 Fax 514 333 9828 www miranda com ...

Page 2: ... for a period of two 2 years from the date of shipment from the factory If equipment fails due to such defects Miranda will pro vide repair of the failed unit under the terms of the Miranda warranty If the equipment has been proven to be defective on arrival Miranda will ship a new product in exchange usually within 36 hours of factory notification If the equipment to be repaired is essential and ...

Page 3: ...se a new product at current retail prices The Buyer will pay freight and insurance charges for the return of the defective prod uct or part to the manufacturer for repair Miranda Technologies will pay freight and insurance charges for the return of the repaired product or part to the Buyer Out Of Warranty Equipment Updates and Spare Parts Policy Miranda Technologies current pricing structure for o...

Page 4: ...c 222 226 Rue De Rosny 3499 Douglas B Floreani 93100 Montreuil St Laurent Montreal Que H4S 1Y6 France Canada Tel 1 514 333 1772 33 1 55 86 87 88 Fax 1 514 333 6914 33 1 55 86 00 29 Toll free 1 800 224 9828 www miranda com Miranda Asia Mita Nexus Bldg 2F 1 3 33 Mita Minato Ku Tokyo Japan 108 0073 81 3 5730 2988 81 3 5730 2973 ...

Page 5: ...ASD 771p 75 110 Guide to Installation and Operation iv ...

Page 6: ... 1 ASD 771p AES EBU Analog to Digital Converter 1 1 1 Introduction 1 1 2 Features 1 2 Overall View 3 3 Installation 5 3 1 Power Supply 5 3 2 Analog Input 5 3 3 AES Output 6 4 Operation 7 4 1 Switch Settings 7 4 2 Status LED 8 5 Specifications 9 6 Schematic Diagrams 11 ...

Page 7: ...ASD 771p 75 110 Guide to Installation and Operation vi ...

Page 8: ...ls A choice of three full scale 20 22 24 dBu of input signal is available Two test modes configurable by switches are avail able Two versions are offered to suit the appropriate standard ASD 771p 110 AES3 110 Ω balanced output XLR ASD 771p 75 AES 3id 75 Ω unbalanced output BNC Figure 1 Functional Block Diagram 1 2 Features Digital output AES3 110 Ω balanced or AES 3id 75 Ω unba lanced Analog stere...

Page 9: ...ASD 771p 75 110 Guide to Installation and Operation 2 ...

Page 10: ...le statuses A mini slide switch Test configures the test mode The input level is configurable using two 3 positions slide switches Left and Right Output is provided by a BNC socket over 75 Ω and a three point XLR connector over 110 Ω Power supply is connected to a mini XLR type connector Figure 2 1 ASD 771p 75 Ω Version LEFT RIGHT Status LED Input connectors Slide switches DC power input connector...

Page 11: ...771p 75 110 Guide to Installation and Operation 4 Figure 2 2 ASD 771p 110 Ω Version LEFT RIGHT Status LED Input connectors Slide switches DC power input connector Output connector Reference input connector ...

Page 12: ...wall or power bar outlet The ASD 771p uses a mini XLR 3 connector for its power needs figure 3 1 provides a detailed pinout of the male connector Figure 3 1 Power connector pinout 3 2 Analog Inputs ASD 771p 75 and ASD 771p 110 Refer to configuration section for the input level adjustment and test mode configuration Analog Audio In Connect a balanced analog stereo audio signal to the two female XLR...

Page 13: ...kHz or AES 3id 75 Ω signal When synchronization is missing the module delivers an asynchronous AES3 48 kHz carri er 3 3 AES Outputs ASD 771p 75 Signal is output through a BNC socket male Output conforms to AES 3id 1995 75 Ω SMPTE 276M or S PDIF ASD 771p 110 Signal is output through a three point male XLR connector Output conforms to AES3 1992 110 Ω ANSI S4 40 1992 Figure 3 3 shows connector pinout...

Page 14: ... of the stereo analog input level is configurable with a potentiometer 1 dB located on the PCB and with two 3 positions slide switches LEFT and RIGHT Three levels of attenuation of the full scale output 0 dBFS are provided 20 22 or 24 dBU b Test Switch Two test functions are offered Tone EBU tone generator sine wave 1 kHz at 18 dBFS inter rupted on left channel 250 ms 3 s Left Input level adjustme...

Page 15: ...no audio bit activity 4 2 Status LED A multicolored LED located beside the input indicates the status of the module Green The ASD 771p is powered and has detected a valid audio signal Yellow Test mode is active Red Overload or signal absence on input A flashing LED indicates the absence of a valid sync signal ...

Page 16: ...u REFERENCE INPUT Input impedance 75 Ω AES3 OUTPUT AES3 Level Input impedance 3 4 Vp p 110 Ω AES 3id Level Input impedance 1 0 Vp p 75 Ω SIGNAL PROCESSING Quantization 24 bits 48 kHz SNR 105 db A weighting Distortion 95 dB 1 kHz Crosstalk 100 dBFS 15 kHz Frequency response 0 2 dB 20 Hz to 20 kHz De emphasis 0 3 dB digital 50 15 µs Tone generator 1 kHz sine wave 18 dBFS MISCELLANEOUS ...

Page 17: ...ASD 771p 75 110 Guide to Installation and Operation 10 ...

Page 18: ...ASD 771p 75 110 Guide to Installation and Operation 11 6 Schematic Diagrams ...

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