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INTRODUCTION 

The 

SP-3004KG 

1x4 12G/6G/3G/HD/SD-SDI Distribution Amplifier with Reclocking

 receives one 

SDI  input,  perfectly  duplicates  it,  and  re-transmits  four  SDI  outputs  for  real  time  multi-viewing.  It  is  a 
reliable  video  device  splitting  a  SDI,  HD-SDI,  3G-SDI,  6G-SDI,  or  12G-SDI  video  source  to  four  SDI 
compliant displays at the same time. 
 
 
 
 
 

FEATURES 

● 

12G/6G/3G/HD/SD-SDI distribution 

● 

Four separately buffered and reclocked outputs* 

● 

Cable equalization and signal retiming 

● 

LED indication of signal lock and video rate

 

● 

Passes ancillary data and embedded audio 

● 

Provides automatic input cable equalization (Belden 1694A) up to 180m (594ft)@3G, 100m 
(330ft)@6G and 70m(230ft) @12G 

● 

Reclocking SDI signals for cascading and thus longer transmission 

● 

Inter-locked power supply for better fixedness 

 
 

 

 

Table #1 

 

Output Port 

Pair A 

Output 1 & 2 

Pair B 

Output 3 & 4 

 
 

PACKAGE CONTENTS 

● 

1x SP-3004KG 

● 

1x 5V power adapter 

● 

1x BNC 75 ohm terminator 

● 

1x User Manual 

 

 

*Due to the super high frequency and lower jitter requirement for 12G SDI signals, to have
the best performance, it is strongly recommended to use one 75 ohm terminator if the
paired SDI is not in use.

Please see the following table for 12G SDI output pairing.

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SPECIFICATIONS 

Model Name

 

SP-3004KG 

Technical

 

SDI standard 

SD/HD/3G/6G/12G-SDI 

Multi-Rate Support 

Auto detection of SD, HD, 3G, 6G or 12G Signals 

SDI Compliance 

SMPTE 424M, SMPTE 292M, SMPTE 344M, SMPTE 259M, DVB-ASI, 

ST-2081(6G), ST2082(12G) 

SDI Data rates 

1.485 / 2.97 / 5.94 / 11.88 Gbps 

Video bandwidth 

[11.88Gpbs & 11.88/1.001Gbps] 

Output impedance 

75

Ω

 

Reclocking   

Yes 

Cable equalization 

[12G] up to 70m (230ft) 
[6G] up to 100m (330ft) 

[3G] up to 180m (594ft)) 

Audio support 

Yes 

RP-198 pathological 
patterns 

Immune 

PCB stack-up 

4-layer board [impedance control — differential 100

Ω

; single 75

Ω

Input 

1x BNC [SDI] 

Output 

4x BNC [SDI] 

BNC connector 

75

Ω

 inter-locked socket 

Eye pattern 
characteristics[12G] 

Amplitude: Within 800mV (<10%) 
Rise/Fall time: Less than 35ps 

Timing jitter: <1.0 UI (10Hz to 
1188MHz) 
Alignment jitter: <0.3 (100KHz to 
1188MHz) 

Mechanical 

Housing 

Metal enclosure

 

Dimensions 
[L x W x H] 

Model 

77 x 42 x 28 mm [3" x 1.7" x 1.1"] 

Package 

198 x 137 x 74mm [7.8" x 5.4" x 2.9"] 

Carton 

420 x 400 x 300mm [1'4"x 1'3" x 11.8"] 

Weight 

Model 

119g [4.2 oz] 

Package 

346g [0.7 lbs] 

Fixedness 

Inter-locked power supply 

Power supply 

5V 1A DC 

Power consumption 

3 Watts [max] 

Operation temperature 

0~40°C [32~104°F] 

Storage temperature 

-20~60°C [-4~140°F] 

Relative humidity 

20~90% RH [no condensation] 

 
 

The measurement results are from Phabrix QX with SDI through 1m (3.3ft) long Belden
1694A.

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