www.sotm-audio.com
sCLK-EX
operating instruction
Rev 1.5
Precautions
Please read this instruction carefully before use.
Do not attempt to disassemble or modify the product
Keep the product away from the external shocks or vibrations.
Do not use the damaged or peeled cables.
Do not use the product outdoors.
Product specifications and features are subject to change without notice.
Warranty Information
Free warranty service
In case of the defect is found caused by the design or the production flaw while using the product properly, a manufacturer is responsible for the faulty product and the
free warranty service for 1 year from the date of purchasing.
Even in the warranty service period, malfunction or damage of products caused by the inevitable incident such as a natural disaster is not subject of the free warranty
service.
Warranty service at a cost
The product that free warranty service period is expired.
Malfunction of the product caused by a user’s fault.
Malfunction of the product caused by incidents.
Malfunction of the product caused by a natural disaster such as earthquake, flood, lightning and etc.
In case of the warranty service at a cost, a customer should cover the transportation costs.
Examples of a user’s fault
Fault in case of attempts to disassemble or modify the sCLK-EX.
Fault in case of not following the operating instructions correctly.
Please read this operating instruction and FAQ section on our website carefully before asking for the warranty service.
Supplied contents
A sCLK-EX : The name is changed according to the option and frequency.
A sCLK-EX DC power cable
RF cable and Clock connect PCB : The standard sCLK-EX supplies a RF cable
and a Clock connect PCB, and will be added extra according to the option.
A U.FL – BNC cable : Supplied when ordering 50Ω Master Clock Option.
A MCX – BNC cable : Supplied when ordering 75Ω Master Clock Option.
A SATA power PCB
A 3.5” bay bracket
A operating instruction
Specification
Internal reference clock
Custom designed ultra low phase noise oscillation circuit
Isolated differential clock signal distribution
Clock output
Isolated clock output : U.FL connector x 4
Supply matching board for connecting target board
Single clock frequency for interface system
sCLK-EX12 : 12MHz
sCLK-EX25 : 25MHz
sCLK-EX48 : 48MHz
sCLK-EX22/24 : 22.5792MHz / 24.576MHz selectable by SEL0 input
sCLK-EX45/29 : 45.1584MHz / 49.152MHz selectable by SEL0 input
Optional other frequency available
Dual independent clock frequency for digital audio system
sCLK-EX1412 : 14.318MHz, 12MHz
sCLK-EX1448 : 14.318MHz, 48MHz
sCLK-EX1425 : 14.318MHz, 25MHz
Optional other frequency available or selectable by SEL0, 1 input
Triple independent clock frequency for mother board & interface
sCLK-EX142512 : 14.318MHz, 25MHz, 12MHz
sCLK-EX142548 : 14.318MHz, 25MHz, 48MHz
Optional other frequency available or selectable by SEL0, 1 input
Quad independent clock frequency for mother board & interface
sCLK-EX14252612 : 14.318MHz, 25MHz, 26MHz, 12MHz
sCLK-EX14252648 : 14.318MHz, 25MHz, 26MHz, 48MHz
Optional other frequency available or selectable by SEL0, 1 input
Clock control input
Isolated control input connector x 2
Non isolated control input x 7
External master clock input :
Optional
Input frequency : 10MHz
(
Optional other frequency available)
Isolated 50
Ω external clock input : U.FL connector x 1
Isolated 75
Ω external clock input : MCX connector x 1
Differential clock signal input & internal distribution
Power input
Input Voltage : 9Vdc ~ 12Vdc (optional 6.5Vdc ~ 8.5Vdc)
Operating current : 1A >
Power output
All output use ultra low noise regulator circuit
5V, 0.5A x 1
3.3V, 0.5A x 1
Power regulator circuit
Custom designed ultra low noise regulator circuit x 3
Standard ultra low noise regulator circuit x 1
Active noise canceller circuit
Components
Audio grade film capacitors
Audio grade tantalum capacitors
Operating environment
Operating temperature range: +10 ~ +30
o
C
Storage temperature : 0 ~ +40
o
C
Operating & storage humidity : 10% ~ 90%
Ultimate High Performance Audio
