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PD2011-9034-02
PRO
ception
Proception Limited,
177-187 Rutland Road
SHEFFIELD
S3 9PT
United Kingdom
Web:
http://www.proception.co.uk/
e-mail: [email protected]
Performance data given are typical unless otherwise stated. Proception Limited reserves the
right to change product designs and specifications without prior notice.
proAMP108U
Compact 8-way UHF amplifier
2-Year Guarantee
This guarantee covers failure of your
PRO
ception product resulting from manufacturing
defect within a period of 2 years from the date of supply to the end-user. This guarantee
does not cover damage to the product caused by abuse, tampering, defective installation or
natural causes such as lightning discharge. Repair or attempted repair, other than by the
manufacturer, will render this guarantee void. This guarantee does not affect a consumers
statutory rights.
INSTALLATION INSTRUCTIONS
This addition to the
PRO
ception range is one of the smallest 8-way UHF distribution
amplifiers available. The product is ideal for providing up to eight wired TV outlet points
from a single aerial in preparation for Digital Switchover. The product is extremely simple
to install and can be powered either locally, using an AC/DC power adaptor, or remotely,
using a
PRO
ception power unit. It can also be powered remotely from some types of
digital receiver box (Freeview
box).
Features
n
Flexible powering: 5 - 15 V, local or remote.
n
Input filtered above and below the UHF TV band to reduce risk of interference problems
from CB, private mobile radio, TETRA, mobile phones, etc.
n
Good noise figure and output capability.
n
F connectors for easy connection and good system screening.
n
Suitable for both digital and analogue applications, fully DTT-compatible.
Application guide
See application example diagrams on page 2.
This is a UHF-only amplifier and cannot be used to distribute VHF radio signals (FM or
DAB).
PRO
ception offers a range of multi-input amplifiers for such applications please
see our Web site or literature for details.
Aerial signal distribution
Fig. 1 shows the most common application, where the signal from the TV aerial is distributed
directly to up to eight outlet points. For satisfactory reception the aerial should provide
good signals to the input of the amplifier. This product operates as an active splitter and
distributes the signal from a common aerial to a number of points without deterioration.
Its relatively low forward gain (3 dB) is sufficient to compensate for additional downlead
cable losses in most systems, whilst avoiding intermodulation and other overload problems
which easily result from the use of amplifiers with excessive gain. In most applications this
amplifier will not improve a poor aerial signal.
Enhanced signal distribution
Fig. 2 shows an alternative configuration where the aerial signal is looped through set-
top box equipment (e.g. VCR, PVR, satellite receiver, etc.) before connection to the input of
the amplifier. This allows the output signals from the set-top equipment to be viewed on all
TVs connected to the amplifier outputs, in addition to the off-air aerial signals. For this to
work each item of equipment concerned must contain a modulator to provide a UHF
output (note that these outputs are analogue TV signals but do not usually include NICAM
stereo audio). The modulator output channel numbers must be carefully selected to avoid
interference, and the remote TVs will need to be tuned-in to the required set-top box
outputs. The diagram shows, by way of example, a Sky* satellite receiver with two RF
outputs, one feeding the local TV and the other for the amplifier. A separate 2-way splitter
will be required if only a single output is available from the final item in the loop-through
chain.
The proAMP108U does not provide a return path for wired remote control of remote set-
top equipment. If this facility is required, alternative
PRO
ception products should be
considered, or a separate wireless remote control extender system can be employed.
Notes
1. Signal handling capability is given for 5 analogue TV channels plus up to 6 DTT multiplexes at
£
-14 dB relative
level.
2. Limiting values 4.8 .. 18 V (powered via DC power port or any output).
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* Sky is registered trade mark of British Sky Broadcasting Group PLC.
Freeview is a registered trade mark of DTV Services Ltd.
