Technical data
Frequency range MHz 47–862 (80–862 VOS 20/FB)
Gain dB 20
Variable range of gain dB 0–20
Variable range of equalization (only VOS 20/FB, VOS 20/FR,) dB 0–20
max. operational level dBµV
acc. to ANGA/ZVEI
66 dB CTBA/64 dB CSOA 90
max. operational level dBµV
acc. to CENELEC
60 dB CTBA 95
60 dB CSOA 94
Noise figure dB 5 (6 dB VOS 20/FB, VOS 20/FR)
Admins. ambient temperature °C - 20 to +55
Input voltage V~ 230 (50–60 Hz)
Admis. input voltage range 207–253
Power draw W typ. 4,5
Safety class acc. to EN 60065 II (earthing contact)
Safety category acc. to EN 60529 IP 30
935.1977/C/0805/1.2e
Comply with the CE guide lines.
Destined for in-house cable networks.
Built-in attenuator.
Built-in variable equalizer (VOS 20/FB / VOS 20/FR)
Passive return path: 4–30 MHz (VOS 20/FR)
4–65 MHz (VOS 20/FB)
Connectors:
VOS 20/F, VOS 20/FB, VOS 20/FR: F-Connectors
acc. to EN 61169-24.
Grounding connector: Clamping screw ≤ 4 mm
2
The amplifiers comply with the requirements acc. to
DIN EN 60429 T24 set forth in the guide lines
73/23 EEC and 89/336/EEC.
In-house distribution amplifiers VOS 20/F, 230075
VOS 20/FB, 230080
VOS 20/FR, 230076
VOS 20/F
VOS 20/FB
VOS 20/FR
1
) acc. to EN 50083-3, CENELEC grid
Electronic equipment is not household waste –
in accordance with directive 2002/96/EC OF THE
EUROPEAN PARLIAMENT AND THE COUNCIL
of 27th January 2003 on used electrical and
electronic equipment, it must be disposed of
properly.
At the end of its service life, take this unit for
disposal at a relevant official collection point..
935.1977/C/0805/2.2e/SKS Subject to technical changes!
KATHREIN-Werke KG · Anton-Kathrein-Straße 1–3 · Postfach 10 04 44 · D-83004 Rosenheim · Deutschland · Telefon (0 80 31) 18 40 · Telefax (0 80 31) 18 43 06
Cable network
House connection unit
VOS 20/F
Cable network
House connection unit
VOS 20/FR
VOS 20/FB
4–30 MHz (VOS 20/FR)
4–65 MHz (VOS 20/FB)
Utilisation examples
Setting of the regulators is
possible with a srew driver
(max. 5 x 0.7 mm) through the
openings on the side panel or
bottom panel.
Attention:
The units have current-conveying contacts! Do not open! Must only be opened
in the repair department!
Observe the mounting positions and the min. distances needed for heat dissipation (see graph)
Do not install on easily inflammable material.
Admis. ambient temperature at place of installation: -20°C to -55°C.
Only suitable for indoor wall mounting (on even base).
To be fasted with 2 screws. Diam. of screws: 4.5 mm max.
Ground the amplifiers as required.
Connect the cables in conformity with the amplifiers´ use (see examples).
Attention! Admis. diameter of the centre conductor of the connection cables 0.6 to 1.2 mm, free from burr.
We recommend to use the Kathrein cables LCD 90, LCD 95 and LCD 99.
Observe the safety instructions acc. to EN 50083-1 and EN 60065 .
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Mounting
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