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VA

elektronik

Sams elektronik d.o.o. • sams@sams.rs • www.sams.rs

8

Distribution amplifiers

I

45

ANALOG VIDEO DISTRIBUTION AMPLIFIERS

• Sams elektr

onik d.o

.o

. • 48 Zivka Da

vido

vica st. • 11050 B

elgr

ade • S

erbia •

• +381 11 3806 253; +381 11 2402 212 • sams@sams.rs • www

.sams.rs •

The VA-26eql is 1RU device with modules. It will provides hum removal and equalization for long cable runs of up to 

300m. The VA-36eql features 30MHz bandwidth, differential input and variable equalization for up to 300m (1000ft) 

of Belden 8281 coaxial cable.

TECHNICAL SPECIFICATIONS

GENERAL INFORMATION

- Code: ....................................................................007.163

- Weight: ......................................................................2 Kg

- Type: .........................................................1RU rack frame

- Dimensions: ........................................ 1RU x 19” x 100mm

- Delivery includes: ............. device, power corde, user manual

INPUT

-Video Input Level: ........................................ 1V p-p nominal

-Input Impedance: ..................... 75Ω loop-trough, differential

-Coupling: ....................................... AC/DC jumper selectable

OUTPUT

-Number: ...................................................................6, BNC

-Level: .......................................................... 1V p-p nominal

-Impedance: ..................................................................75Ω

PERFORMANCE

- Gain: ............................................................ -3dB do +3dB

- Gain stability: ...................................................... <±0.1dB

- Frequency response: ...................... ±0.1dB (50Hz do 8MHz)

- Equalization range: ............................ 0-300m, Belden 8281

- Clamping accuracy: .............................................. <±30mV

BLOCK DIAGRAM

ORDERING INFORMATION

Code 

Name 

Description

007.163  VA-26eql 

Analog video DA 2x 1x6

Specifications and designs are subject to change without notice

VA-26eql

Analog video distribution amplifier with EQ, 2x 

1x6

-  Differential input

-  30 MHz bandwidth

-  Cable equalization for up to 300m at 8 MHz

-  Gain range ±3dB

-  6 outputs

front side

rear side

POWER

- Voltage: ................................................. ~230V AC ± 10%

- Power: .......................................................................30W

- Frequency: ................................................................ 50Hz

- Overload protection: .............. front Mounted Circuit Breaker

TEMPERATURE

- Performance: .......................................................... 5-40°C

- Operating: .............................................................. 0-50°C

IN

OUT

GAIN

EQ

LOOP

LED

Signal indication

LED

Power

DIFFERENTIAL

1

2

3

4

5

6

Summary of Contents for VA-16eql

Page 1: ...on 1 Code 007 165 007 166 007 167 007 162 007 163 007 164 ENGLISH VA14eql 24eql 34eql VA16eql 26eql 36eql Sams elektronik d o o 48 Zivka Davidovica st 11050 Belgrade Serbia Tel Fax 381 11 3806 253 381...

Page 2: ...facturer servicer has not completed repair or replacement within a reasonable time or if the manufacturer servicer did not perform repair or replacement without significant inconvenience to the consum...

Page 3: ...f high voltage In poor conditions the user may be exposed to shock The symbol exclamation mark in a triangle is to alert the user to comply by the terms of use in user s manual which is supplied with...

Page 4: ...device is equipped with a protective fuse in the power outlet Do not bypass fuse 12 Do not replace the fuse Replacement can be made by a person authorized by the manufacturer 13 Do not bend the power...

Page 5: ...ww sams rs elektronik 5 Distribution amplifiers UNPACKING AND INSTALLATION 6 MAINTENANCE 6 REMOVAL AND STORAGE 6 DESCRIPTION 7 INSTALLATION 13 ADJUSTMENT 14 REMARKS 15 ACCESS TO ADJUST TRIMMER 15 NOTE...

Page 6: ...The device must be stored in a room without moisture The system maintains only person authorized by Sams elektronik doo Any voluntarily opening device upgrading or servicing is strictly prohibited an...

Page 7: ...l INPUT Video Input Level 1V p p nominal Input Impedance 75 loop trough differential Coupling AC DC jumper selectable OUTPUT Number 6 BNC Level 1V p p nominal Impedance 75 PERFORMANCE Gain 3dB do 3dB...

Page 8: ...ideo Input Level 1V p p nominal Input Impedance 75 loop trough differential Coupling AC DC jumper selectable OUTPUT Number 6 BNC Level 1V p p nominal Impedance 75 PERFORMANCE Gain 3dB do 3dB Gain stab...

Page 9: ...ideo Input Level 1V p p nominal Input Impedance 75 loop trough differential Coupling AC DC jumper selectable OUTPUT Number 6 BNC Level 1V p p nominal Impedance 75 PERFORMANCE Gain 3dB do 3dB Gain stab...

Page 10: ...PUT Video Input Level 1V p p nominal Input Impedance 75 loop trough differential Coupling AC DC jumper selectable OUTPUT Number 4 BNC Level 1V p p nominal Impedance 75 PERFORMANCE Gain 3dB do 3dB Gain...

Page 11: ...Video Input Level 1V p p nominal Input Impedance 75 loop trough differential Coupling AC DC jumper selectable OUTPUT Number 4 BNC Level 1V p p nominal Impedance 75 PERFORMANCE Gain 3dB do 3dB Gain st...

Page 12: ...Video Input Level 1V p p nominal Input Impedance 75 loop trough differential Coupling AC DC jumper selectable OUTPUT Number 4 BNC Level 1V p p nominal Impedance 75 PERFORMANCE Gain 3dB do 3dB Gain st...

Page 13: ...T OPEN CAUTION RIZIK OD STRUJNOG UDARA NE OTVARATI DOK JE POD NAPONOM UPOZORENJE USE ONLY WITH A 250V FUSE www sams rs Made in Serbia VA 4eql CODE 007 165 SN FUSE 500mA AC 230V 50Hz POWER VIDEO OUTPUT...

Page 14: ...rt test 75 Color bar Using a measuring instrument note whether there is a deviation Slowly turn the GAIN potentiometer to adjust the signal level at 1V p p 2 EQ is the process of adjusting the balance...

Page 15: ...ng in the panel It can be adjusted by turning the trimmer ACCESS TO ADJUST TRIMMER REMARKS Loop must be closed with 75 terminator if not used Loop is used to pass incoming signal back into the system...

Page 16: ...VA elektronik Sams elektronik d o o sams sams rs www sams rs 16 Distribution amplifiers NOTES...

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