ASTRO HVB 31 Manual de instruções - Página 15

Procurar online ou descarregar pdf Manual de instruções para Amplificador ASTRO HVB 31. ASTRO HVB 31 20 páginas. Broadband amplifires

Configuration

Operating manual HVB 21, HVB 31 a. HVB 32 -

First configure the amplifier for the transmission of forward signals:

ASK

Remove the housing cover by loosening the cover screw.

When the devices are delivered, the HVB 21, HVB 31 and HVB

32 amplifiers have an attenuator (0...15 dB) [1] and a tilt equal-

iser (0...15 dB) [2] (see left) in the input, which are screwed in.

They can be used to set the desired attenuation and equalisa-

tion. (Input and output are protected against overvoltage.)

You can also set a pre-equalisation of 0 or 7 dB between the

amplifier stages by inserting the

jumper [3] accordingly.

ATTENTION

be exceeded! (maximum input level = output level minus the

set gain for 1006 MHz)

ESULT

The device is now configured for the transmission of forward sig-

nals.

To transmit return signals, the amplifier must be configured accord-

ingly.

The following describes how to configure the amplifier for the trans-

mission of return signals:

ASK

When the device is delivered, the attenuator (0...15 dB) [5] is

screwed in and must be set according to the cable network

specifications.

ESULT

The device is now configured for the transmission of return signals.

ATTENTION

in the return path input screwed in to avoid a possible

network malfunction or the destruction of the device upon

being connected. This setting must not be changed in

networks that do not use a return path!

Version 01-2021A

The maximum operating level must not

The device is delivered with the attenuator

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