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Technical data proUSM family
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Notes
1. Signal handling capability is given for 5 analogue TV channels.
2. Through-power to the input is not provided (all products have a DC grounded input).
2-Year Guarantee
This guarantee covers failure of your PROception 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 consumer’s
statutory rights.
Performance data given are typical unless otherwise stated. Proception Limited reserves the
right to change product designs and specifications without prior notice.
Proception Limited,
177-187 Rutland Road
SHEFFIELD
S3 9PT
United Kingdom
Web:
http://www.proception.co.uk/
e-mail:
support@proception.co.uk
Page 4
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3 .
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2 .
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PROception
p
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1
4
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4
2
5 .
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d
B
This range of unscreened masthead preamplifiers with traditional saddle and clamp
1
1
d
B
connections offers a choice of products, all with an excellent combination of good input
8
9
d
B
µ
V
filtering, low noise figure and high output capability. These products are not suitable for
use in areas of high radiated interference.
7
8
d
B
µ
V
Range features
n Traditional saddle and clamp connection.
3
0
d
B
n Low noise figures.
n Inputs well-filtered below 470 MHz.
n High output capabilities.
n 2- and 4-way preamplifiers can be powered via any output.
0
0
M
H
z
Application guide
Restrictions on use
These products are unscreened and are not suitable for use in areas of high radiated
electromagnetic interference. They should not be used where radio transmitting
installations such as mobile radio and mobile telephone base stations, radar installations,
amateur radio stations, etc. are known to operate nearby.
These preamplifiers should not be used in distribution systems feeding more than one
dwelling unit.
Product selection
See application example diagrams on page 2.
It is important to select an appropriate product for each application. The use of excessive
preamplifier gain is likely to lead to receiver overload problems and deterioration in
reception. Always use the lowest gain product which will achieve adequate signal levels
at the receiver(s) in a particular location.
proUSM11M – this medium gain (14 dB) preamplifier provides sufficient ‘boost’ to assist
with the reception of weak signals in the great majority of domestic installations, even
with long downleads (up to around 30 metres of ‘100’ size cable). The output from this
preamplifier may be split using a two-way passive splitter such as the PROception
proUSS12P , or by using the proPSU12F dual-output power unit, which contains a built-in
splitter.
proUSM11H – high gain (25 dB). This preamplifier is useful where exceptionally long
cable runs (up to 100 m of ‘100’ size cable) are involved – such as with a remotely
mounted antenna serving a house in a deep valley. This preamplifier may also be used
with passive distribution accessories (splitters and taps) to construct a small distribution
system to feed a number of points.
proUSM12M – 2-way medium gain (2 x 12 dB)
proUSM12H – 4-way high gain (2 x 22 dB)
proUSM14M – 4-way medium gain (4 x 11 dB). These multi-output preamplifiers provide
popular solutions to the problem of installing multiple TV points in an older building. All
multi-way preamplifiers can be powered via any of their outputs, providing flexibility in
the location of the power unit. The proPSU12F dual-output power unit can also be used
with these preamplifiers to obtain a further output.
Masthead Preamplifier Range
INSTALLATION INSTRUCTIONS
proUSM
UHF Unscreened
Page 1
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Related Manuals for PROception proUSM Series
Summary of Contents for PROception proUSM Series
- Page 1 Repair or attempted repair, other than by the preamplifier may be split using a two-way passive splitter such as the PROception manufacturer, will render this guarantee void. This guarantee does not affect a consumer’s proUSS12P , or by using the proPSU12F dual-output power unit, which contains a built-in statutory rights.
- Page 2 They may also be powered from When connecting the cables, take care to tighten all connections, taking particular care PROception multi-way preamplifiers types proAMP24, proAMP26 and proAMP28. The with the braid clamps, which should be as tight as possible, without crushing the cable.