Extron electronics MDA 5SVA RCA Manuel utilisateur

User’s Guide

Video and Audio Mini Distribution Amplifiers

68-615-01 Rev. B

Printed in the USA

08 02

MDA 5SVA RCA / 5AV RCA / 3AV RCA

Extron Electronics, USA

1230 South Lewis Street

Anaheim, CA 92805

USA

714.491.1500

Fax 714.491.1517

Extron Electronics, Europe

Beeldschermweg 6C

3821 AH Amersfoort

The Netherlands

+31.33.453.4040

Fax +31.33.453.4050

Extron Electronics, Asia

135 Joo Seng Road, #04-01

PM Industrial Building

Singapore 368363

+65.6383.4400

Fax +65.6383.4664

Extron Electronics, Japan

Daisan DMJ Building 6F

3-9-1 Kudan Minami

Chiyoda-ku, Tokyo 102-0074 Japan

+81.3.3511.7655

Fax +81.3.3511.7656

www.extron.com

FCC Class A Notice

Note: This equipment has been tested and found to comply with the limits for a

Class A digital device, pursuant to part 15 of the FCC Rules. These limits are

designed to provide reasonable protection against harmful interference when the

equipment is operated in a commercial environment. This equipment generates, uses

and can radiate radio frequency energy and, if not installed and used in accordance

with the instruction manual, may cause harmful interference to radio

communications. Operation of this equipment in a residential area is likely to cause

harmful interference, in which case the user will be required to correct the interference

at his own expense.

Note: This unit was tested with shielded cables on the peripheral devices. Shielded

cables must be used with the unit to ensure compliance.

Specifications, Cont’d

Product weight

MDA 5SVA RCA,

MDA 3AV RCA ............... 2.2 lbs (1.0 kg)

MDA 5AV RCA ............... 2.3 lbs (1.0 kg)

Shipping weight .......................... 5 lbs (2.3 kg)

Vibration ....................................... ISTA/NSTA 1A in carton (International

Safe Transit Association)

Listings .......................................... UL, CUL

Compliances ................................. CE, FCC Class A, VCCI, AS/NZS, ICES

MTBF ............................................. 30,000 hours

Warranty ....................................... 3 years parts and labor

Specifications are subject to change without notice.

MDA 5SVA RCA / 5AV RCA / 3AV RCA • Connection 3MDA 5SVA RCA / 5AV RCA / 3AV RCA • Installation

Installation

The Extron MDA 5SVA RCA, MDA 3AV RCA, and MDA 5AV

RCA are a family of S-video or composite video and stereo audio

mini distribution amplifiers (MDAs) . The stereo audio input and

output are on RCA connectors. Each MDA also has a passive

loop-through for a local monitor.

•MDA 5SVA RCA — S-video DA with one S-video and stereo

audio input and five S-video and stereo audio outputs.

•MDA 3AV RCA — Composite video DA with one video and

stereo audio input and three video and stereo audio outputs.

•MDA 5AV RCA — Composite video DA with one video and

stereo audio input and five video and stereo audio outputs.

The MDAs are rack mountable and have an internal switching

power supply for worldwide power compatibility.

Rack Installation

The 1U high, half rack width MDAs can be mounted on a

standard Universal 1U Rack Shelf (Extron part #60-190-01) (figure

1). If desired, mount the MDA as follows:

(2) 4-40 x 3/16" Screws

Use 2 mounting holes on

opposite corners.

False front panel

uses 2 front holes.

MDASERIES

DISTRIBUTIONAMPLIFIER

Figure 1 — Rack mounting the MDA 3 and MDA 5

Series DAs

1. If feet were previously installed on the bottom of the MDA,

remove them.

2. Mount the MDA on the rack shelf, using two 4-40 x 3/16”

screws in opposite (diagonal) corners to secure the MDA to

the shelf.

3. Install the blank panel (included with the rack shelf) or

another half-rack unit to the rack shelf.

4. Insert the shelf into the rack, aligning the holes in the shelf

with those of the rack.

5. Secure the shelf to the rack using the supplied machine

screws.

Connections, Controls, and Indicator

See figure 2 on the next page to make the following connections.

S-video (MDA 5SVA RCA)

Input connector — Connect an S-video input to this 4-pin

mini DIN connector.

Loop connector — Connect an S-video local monitor or

other S-video device to this 4-pin mini DIN connector.

Outputs connectors — Connect up to five S-video devices

to these 4-pin mini DIN connectors.

Composite video (MDA 3AV RCA and MDA 5AV RCA)

Input connector — Connect a composite video input to

this BNC connector.

Loop connector — Connect a composite video local

monitor or other composite video device to this BNC

connector.

Outputs connectors — Connect up to three or five

composite video devices to these connectors.

Video connector termination switch (all models)

High Z / 75 Ohm switch — Select 75-ohm termination off

or on.

High Z — Select this position if you are connecting a

terminated device to the Loop connector.

75 Ohm — This position terminates the Input connector

with 75 ohms of impedance. Select this position if you

are not using the Loop connector or if you are connecting

an unterminated device to the Loop connector.

5MDA 5SVA RCA / 5AV RCA / 3AV RCA • SpecificationsMDA 5SVA RCA / 5AV RCA / 3AV RCA • Connections

Connections

DISTRIBUTION AMPLIFIER

MDA SERIES

Front Panel, all MDA Models

MDA 3AV RCA

OUTPUTS

123

MDA 5AV RCA

OUTPUTS

12345

INPUT

LOOP

HIGH Z

75 Ohm

OUTPUTS

INPUT

LOOP

HIGH Z

75 Ohm

OUTPUTS

100-240V ~ 50/60Hz

0.2A

100-240V ~ 50/60Hz

0.2A

INPUT

MDA 5SVA RCA

INPUT

LOOP

HIGH Z

75 Ohm

OUTPUTS

100-240V ~ 50/60Hz

0.2A

OUTPUTS

12345

INPUT

MDA 3AV RCA,

Rear Panel

MDA 5AV RCA,

Rear Panel

MDA 5SVA RCA,

Rear Panel

5 710 6 9

4 8

5 710 6 9

4 8

2 710 3 9

1 8

Figure 2 — MDA 3 and MDA 5 Series front and

rear panels

Audio connections (all models)

Audio Input connectors — Connect an unbalanced stereo

audio signal to these L(eft) and R(ight) RCA connectors.

Audio Outputs connectors — Connect up to three

(MDA 3AV RCA) or five (MDA 5AV RCA or

MDA 5SVA RCA) stereo audio devices to these L(eft) and

R(ight) RCA connectors.

Power

Power connector— Plug a standard IEC power cord into

this connector to connect the MDA to a 100 to 240VAC,

50 Hz or 60 Hz power source.

Power LED — The power LED indicates power is applied.

Specifications

Video

Gain ............................................... Unity

Bandwidth

MDA 5SVA RCA ............. 270 MHz (-3dB)

MDA 3AV RCA, MDA 5AV RCA

435 MHz (-3dB)

Differential phase error .............. 0.05º, 0 to 50 MHz

Differential gain error ................. <0.05%, 0 to 50 MHz

Video input

Number/signal type

MDA 5SVA RCA ............. 1 NTSC/PAL/SECAM S-video

MDA 3AV RCA, MDA 5AV RCA

1 NTSC/PAL/SECAM composite video

Connectors

MDA 5SVA RCA ............. 1 4-pin mini DIN female

MDA 3AV RCA, MDA 5AV RCA

1 BNC female

Nominal level

MDA 5SVA RCA ............. Y: 1.0V p-p (including sync), C: 0.3V p-p

MDA 3AV RCA, MDA 5AV RCA

1.0V p-p (including sync)

Minimum/maximum level

MDA 5SVA RCA ............. Y: 0.4V to 2.0V p-p with no offset

MDA 3AV RCA, MDA 5AV RCA

0.4V to 2.0V p-p with no offset

Impedance .................................... 75 ohms

Return loss .................................... -40dB @ 0 to 10 MHz

Maximum DC offset .................... 5.0V

7MDA 5SVA RCA / 5AV RCA / 3AV RCA • SpecificationsMDA 5SVA RCA / 5AV RCA / 3AV RCA • Specifications6

Specifications, Cont’d

Video output

Number/signal type

MDA 5SVA RCA ............. 6 S-video: 5 buffered for distribution,

1 passive loop-through

MDA 3AV RCA ............... 4 composite video: 3 buffered for

distribution, 1 passive loop-through

MDA 5AV RCA ............... 6 composite video: 5 buffered for

distribution, 1 passive loop-through

Connectors

MDA 5SVA RCA ............. 6 4-pin mini DIN

MDA 3AV RCA ............... 4 BNC female

MDA 5AV RCA ............... 6 BNC female

Nominal level

MDA 5SVA RCA ............. Y: 1.0V p-p (including sync), C: 0.3V p-p

MDA 3AV RCA, MDA 5AV RCA

1.0V p-p (including sync)

Minimum/maximum level ........ 0.4V to 2.0V p-p

Impedance .................................... 75 ohms

Return loss .................................... -30dB @ 5 MHz

DC offset ....................................... ±5mV maximum with input at 0 offset

Sync

Standards ...................................... NTSC 3.58, NTSC 4.43, PAL, SECAM

Audio

Gain ............................................... Unity

Frequency response ..................... 20 Hz to 20 kHz, ±0.05dB

THD + Noise ................................ 0.03% @ 1 kHz at nominal level

S/N ................................................ >90 dB, at rated maximum output drive

Stereo channel separation .......... >80 dB @ 1 kHz; >60 dB @ 20 kHz

CMRR ............................................ >75 dB @ 20 Hz to 20 kHz

Audio input

Number/signal type ................... 1 stereo unbalanced

Connectors .................................... 2 RCA connectors

Impedance .................................... >10 kohms unbalanced, DC coupled

Nominal level ............................... Compatible with +4dBu (1.23V),

0dBu (0.775V), -10dBV (316mV), and

-20dBV (100mV)

Maximum level ............................ +24 dBu (unbalanced) at 1%THD+N

Audio output

Number/signal type

MDA 5SVA RCA ............. 5 stereo, unbalanced

MDA 3AV RCA ............... 3 stereo, unbalanced

MDA 5AV RCA ............... 5 stereo, unbalanced

Connectors

MDA 5SVA RCA ............. 10 RCA connectors

MDA 3AV RCA ............... 6 RCA connectors

MDA 5AV RCA ............... 10 RCA connectors

Impedance .................................... 50 ohms unbalanced, 100 ohms balanced

Gain error ...................................... ±0.1dB channel to channel

Nominal level ............................... Compatible with +4dBu (1.23V),

0dBu (0.775V), -10dBV (316mV), and

-20dBV (100mV)

Maximum level (Hi-Z) ................ >+24dBu, unbalanced at 1%THD+N

0dBu = 0.775 volts (RMS). 0dBV = 1.0 volts (RMS)

General

Power ............................................. 100VAC to 240VAC, 50/60 Hz, 20 watts,

internal, autoswitchable

Temperature/humidity .............. Storage -40° to +158°F (-40° to +70°C) /

10% to 90%, non-condensing

Operating +32° to +122°F (0° to +50°C) /

10% to 90%, non-condensing

Rack mount ................................... Yes, with optional 1U rack shelf, part

#60-190-01

Enclosure type .............................. Metal

Enclosure dimensions ................. 1.6" H x 8.75" W x 9.4" D (1U high, half

rack width)

4.1 cm H x 22.2 cm W x 23.9 cm D

(Depth excludes connectors and knobs.)

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