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R a d i o   S y s t e m s ,   I n c .

D D A 1 X 8 S H   M a n u a l

1 2 / 0 7

P a g e   1 0

Warranty

Radio Systems warrants this equipment to be free from defects in materials and

workmanship for a period of one (1) year.
This warranty extends to first users of the product and future owners who purchase

the product within the warranty period.
The terms of this warranty are null and void if this product is stored or operated in

an environment not conducive to electronic equipment, or shows signs of misuse or

modifications which affect the proper functioning of the product.  This warranty

does not apply to damage caused by fire, smoke, flood, lightning, or acts of nature

and physical abuse.
Radio Systems, and its associated companies, authorized distributors, and

personnel are not liable for loss of revenues or other damages or effects to the

broadcast signal quality or coverage which may result from the improper

functioning of this product.

Repair Policy

Technical assistance is available at any time, at nor charge, by phone or

correspondence.
During the warranty period, there will be no charge for parts or service made to

units which show no sign of misuse by customer or lightning caused damage.  The

customer is responsible for the cost of shipping their unit back to Radio Systems for

repair.
During the warranty period, shipment of small parts and assemblies may also be

made at a charge to the user.  Emergency shipments of replacement parts and

circuits will be made at the user’s request for an extra shipping and service charge.

Chargeable services will be made COD or on Net-30 day terms to users with

established accounts.
During the warranty period, full credit or return of COD charges (less any service

and expedited shipping charges) will be made to users who return the defective

parts or circuits within 30 days, if the damage is covered under the terms of the

warranty.

Return Instructions

Contact Radio Systems at 856-467-8000 for a return authorization number.
Pack all items carefully and ship pre-paid, via UPS insured, to:
Radio Systems

601 Heron Drive

Logan Township, NJ 08085
Attn:  R.A.#_____________
Enclose a note which includes your name, company, phone number, the serial

number, return address (no box numbers), and a complete description of the

problem.

Summary of Contents for DDA 1x4SH

Page 1: ...R a d i o S y s t e m s I n c D D A 1 X 8 S H M a n u a l 1 2 0 7 P a g e 1 DDA 1x8SH DDA 1x4SH Digital Distribution Amplifier Manual...

Page 2: ......

Page 3: ...u a l 1 2 0 7 P a g e 3 Contents Overview 4 Mounting 4 Operation 4 Connections 4 Parts Layout Power Supply 5 Parts Layout Amplifier 6 Parts List Power Supply 7 Parts List Amplifier 8 Specifications 9...

Page 4: ...ts Operation Apply an AES3 signal sampled from 32 KHz to 96 KHz to either or both of the unit s inputs The applied signal is distributed to each of the unit s eight outputs at unitygain Two different...

Page 5: ...R a d i o S y s t e m s I n c D D A 1 X 8 S H M a n u a l 1 2 0 7 P a g e 5 Parts Layout Power Supply...

Page 6: ...R a d i o S y s t e m s I n c D D A 1 X 8 S H M a n u a l 1 2 0 7 P a g e 6 Parts Layout Amplifier...

Page 7: ...V C2 5744 1 CAP 100UF 25V RAD 20 C3 5743 1 CAP 1UF FILM C4 7012 4 DIODE1N4005 D1 D2 D5 D6 10489 1 FUSEHOLDER F1 10847 1 FUSE 0 3 AMP F1 10491 1 IECPOWERCONNECTOR J1 10490 1 SAMTEC 8 PIN FRT HEADER J2...

Page 8: ...C26 16025 2 TRANSISTOR SMT ZXMN6A07FTA Q1 Q2 16570 1 IC SMT CD74ACT153M U10 16572 1 IC SMT AM26C32CD RECEIVER U9 16043 8 IC SMT TRANSCEIVER RS485 U1 U2 U3 U4 U5 U6 U7 U8 16008 4 CAP SMT 47UF 25V ELEC...

Page 9: ...02 over 20Hz 20kHz output level 20 dBfs with 110 ohm load Noise 123 dB below 0 dBfs output level bandwidth 20 Hz 20kHz with 110 ohm input and output termination Nominalinput 20 dBfs Maximuminput 0 dBf...

Page 10: ...dence During the warranty period there will be no charge for parts or service made to units which show no sign of misuse by customer or lightning caused damage The customer is responsible for the cost...

Page 11: ......

Page 12: ...For Assy Part DDA 1x8SH 12 07 601 Heron Drive Logan Township NJ 08085 Phone 856 467 8000 Fax 856 467 3044 http www radiosystems com...

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