Link electronics DigiFlex 1650 Manual de usuario

1000 SERIES DIGIFLEX

LINK ELECTRONICS, INC.

ANALOG AUDIO DISTRIBUTION AMPLIFIER

DigiFlex 1650

FEATURES

Low Noise

Eight Mono Outputs or

Four Stereo Outputs

Signal Presence LED

LINK's DigiFlex 1650/1651 Stereo Audio

DistributionAmplifiertakesadvantageofthelatest

in Operational Amplifier technology. The front end

is high-impedance, balanced, with high common-

mode rejection. The output amplifier is capable of

driving low impedance (150Ω) loads and is

compensated for load capacitance of up to

10,000pF.Itswidebandwidth(>120KHz)willallow

for the distribution of SMPTE Time Code or BTSC

Baseband Stereo.

Ultralow-noisecomponents(includingmetal-oxide

resistors) are used throughout the audio signal

path. Both the input buffer and output driver offer

noise figures of <7nV/Hz1/2. In addition, extreme

care has been taken in the printed circuit board

design to reduce noise and improve channel

isolation.The1650and1651areidenticalwithone

exception: the 1651 has logarithmic bar graph

level meters for the left and right channel signal

indication.

FEATURES

11 Modules per Frame

>100dB S/N Ratio

A/B Buss Monitoring

TheLINK1650/1651hasauniquesignalpresence

indicator on the rear panel. The rear panel module

withbuild-outresistors and fixedterminalblocks is

the model 1014. Plug-in terminal blocks are

available on the 1021 Rear Cell. The front panel

features a DC power supply monitor LED.

The LINK 1650/1651 is designed to reside in

LINK's DigiFlex 1000 frame. This rugged 2RU

framecan houseupto11modules. An audio buss

runsthefull length of theframetoallow monitoring

of any of the resident audio distribution amplifiers

by a single monitoring amplifier, model 1626. A

switch on the front of the module places the audio

signal on the frame buss. The versatile DigiFlex

1000 frame can also accommodate AES/EBU

Digital Audio distribution (using the DigiFlex1652)

as well as Analog and Digital Video distribution.

Backed by LINK's 10-year warranty, the 1650/651

will provide years of outstanding performance.

LINKELECTRONICS, INC. 2137 Rust Avenue Cape Girardeau, MO 63703-7668

Phone 573 334 4433 FAX 573 334 9255

Mounting Frame Options

1000 - Single Power Supply, Holds 11 Modules

1000/2 - Dual Power Supply, Holds 10 Modules

7200 - Mounting Frame, Holds 1 Module

MADE IN THE USA

1650/111302 1014 REARCELL 1021 REARCELL

DIGIFLEX 1650 AUDIO DISTRIBUTION AMP

SPECIFICATIONS

INPUT:

Impedance: ................................................... 20KOhm,±2%Balanced

Max.Level:......................................................... 20dBu,Differential

Common Mode Range: .......................................................±10Volts

Common Mode Rejection: ............................................... >85dB@60Hz

OUTPUT:

Channels: ........................................................................ 2

Number of Outputs per Channel: ...................................................... 4

Impedance: ................................................................ 66Ohms

Max.Level:..................................................................+18dBu

..................................................................Load = 4 X 150Ω

PERFORMANCE:

Gain Range: .............................................................. -infto+8dB

S/NRatio:................................................. >100dB A WTD +8dBu 0 Gain

Frequency Response: ........................................... +/-0.2dB,20Hzto20KHz

TotalHarmonicDistortion: ...........................................<0.01%+8dBu0Gain

Load = 4 X 150Ω

Crosstalk:........................................................ 90dB, 20Hz to 20KHz

DC Offset: ...................................................................<10mV

QuiescentDrainCurrent: .......................................................±100mA

MonitorSwitch: ............................................. Placessignal on Frame Buss

LevelIndication:.................................................. BarGraph (1651 only)

Temperature Range: ........................................................0°to50°C

INTERNAL ADJUSTMENTS

AudioLevel: ............................................................ ResistiveTrim

Common Mode Adjustment: ...............................................ResistiveTrim

MECHANICAL:

Height: ........................................................................ 3.2"

Width:......................................................................... 1.0"

Length: ....................................................................... 10.0"

Weight:.......................................................................8.0oz

LINK ELECTRONICS, INC.

2137 Rust Avenue

Cape Girardeau, MO 63703

Phone: 573 334 4433

FAX: 573 334 9255

PROFESSIONAL SERIES--

modular system products--by LINK

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