Link electronics PVA-50 Bedienungsanleitung

Wall Transformer

Included

Part #PWT-3512

or DC Powered

PORTABLE SERIES

MADE IN THE USA

LINK ELECTRONICS, INC.

VIDEO DISTRIBUTION AMPLIFIER

12 VOLTS AC OR DC OPERATION

MODEL PVA-50

FEATURES

Four Outputs

Differential Input

Battery Operated

Bandwidth 40MHz

Gain Adjust "3dB

Low Power Consumption

The PVA-50 is a portable broadcast quality video

distribution amplifier which combines excellent

performance with low power consumption. The

unit is designed for field use, and is housed in a

durable high-impact plastic case. The input is

high-impedance, looping, and four 75 Ohm outputs

are provided. A front panel gain control adjusts for

"3dB gain. The versatility of the PVA-50 is aided

by an on-board voltage regulator which allows the

unit to be powered from an external AC or DC

supply. Operating voltage range is identical to that

of modern ENG cameras. Weighing in at only 5.5

ounces (156g), the PVA-50 can easily be carried

by a field cameraman and powered by the

camera's battery pack. The ability to operate from

an AC supply also provides complete polarity

protection for mobile or field operation.

Video performance is highlighted by an

outstanding video bandwidth, within -1 dB at

40MHz, extremely low tilt, less than 0.5%, and low

signal to noise ratio, greater than 60dB.

Differential signal input is standard and both input

and outputs are AC coupled. Phase and gain

errors are controlled to within 0.25 degrees and

0.25 percent respectively. The input voltage can

be AC or DC in the range of 10.8 to 20 volts with

power drain of approximately 30mA. The PVA-50

is the perfect companion for practically any field

operation. Performance, reliability, and economy

come together in an attractive, light-weight case

that won't load down the cameraman or his power

supply. The PVA-50 Video DA is backed by the

standard ten year warranty including parts and

labor.

LINKELECTRONICS, INC. g2137 Rust Avenue gCape Girardeau, MO 63703-7668

Phone 573 334 4433 gFAX 573 334 9255

PVA-50/022608

MODEL PVA-50 PORTABLE VIDEO DA

SPECIFICATIONS

INPUT:

Video Level: ............... 1.0Vpp"3dB

Impedance: ................. >50KOhms

Common Mode Range: ........60Hz,1Vpp

MaximumDCIn: ............... "12 VDC

CMRR: ................. >50dB @ 60Hz

OUTPUTS:

Number: ................Foureach,BNC

Level:.................. UnityGain"3dB

AMPLIFIER PERFORMANCE:

Freq. Response: ........."0.1dB to 20MHz

........................-1.0to40MHz

Diff. Gain: .......<0.25%,10%to90%APL

Diff. Phase: ....... <0.25E,10% to 90% APL

OutputIsolation: ...... >-40dB at 3.58 MHz

ReturnLoss: ............. >40dB to 6MHz

....................... 39dB to 20MHz

Tilt: ........................... <0.4%

Ringing:........................ <0.4%

Propagation Delay: ................ 10nS

High Freq. Overshoot: ............. <0.4%

Coupling:..................ACinand out

INTERNAL CONTROLS:

Common Mode Null: ...........Trimadjust

Freq. Response Trim: .......Flatresponse

ENVIRONMENTAL:

Temperature:........ .0Eto 50EC, ambient

Humidity:......10%to90%non-condensing

POWER:

12 Volts AC or DC:

Range: .................. 10.8to20Volts

Power:....................30mATypical

MECHANICAL:

Height:........................ 1.4Inch

Width: ........................ 4.5Inch

Depth: ........................ 2.6Inch

Weight: .......................... 5.5oz.

LINKELECTRONICS, INC.

2137 Rust Avenue

Cape Girardeau, MO 63703

Phone: 573 334 4433

FAX: 573 334 9255

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