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  9. NTI GigActiv GA3005 User manual

NTI GigActiv GA3005 User manual

ẒẒӲ
ӜnӜŻӲžŸӲNӜũŻũӲnӲũn•Ỷn‡ŸnnӲỶӲẒŻӲŸnŸ‡ӲnnẒӜӲŻ•ỠӲŻũẒӲỡ•‡ǾŨӲŻӜnnẒŻỡ•ỶŸnŸỶnӲ
ӱŨNӛӛӛӛnӲnnӜӬPower supply: 5.5 - 12V DC (max. 120mA) via remote power supply
USB supply with 5V possible with slightly reduced IP values
Connector: BNC / 50 ohms
Radiator Connector: M6-screws (stainless steel)
Frequency Range: 9kHz - 3000MHz (+/- 3dB)
IP3: > typ. +30dBm (@7.00 & 7.20MHz) also in the range 200-3000MHz
IP2: > typ. +50dBm (@7.00 & 7.20MHz)
Size / weight: 98 x 90 x 38mm / 0.12kg
ŸӲŻnẒӲŻӲŻNӬ
Power supply: max 15VDC/max. 400mA current-limited and protected against polarity
reversal
Connectors: 2.1mm DC-power socket (positive inner);
Alternatively via optional USB > DC power plug PartNo: 00163-1
HF: BNC
Size/ weight: 86 x 70 x 29 mm / 0.09 kg
żŸӲŸӲӲŻӬGigActiv GA3005
Power Inserter CPI3000UNI (optional CPI3000DP)
100mm Radiator M6 (black)
żӜӲnẒŻŸnẒũnӲŻẒŸŻẒӜnŸӲŻŸӜThe inputs of the GA3005 are triple-protected against static charge. For coarse protection a fast 60V Gas
Arrestor (max. 1kA 8/20µs) is used, followed by an 8KV ESD protector according to IEC 61000-4 -2 Level 2
/ max. 30ns and another 4KV fine protection.
ẒӜӲŻӲӜẒӲnŸӲThe integrated over-voltage protection circuit will not protect your equipment from a lightning strike in the event
of a direct hit to the house or the local vicinity. Irrespective of the radiation element lengths, high voltages can
permanently damage the antenna electronics and/or connected devices. For this reason, liability for these
devices is excluded. Other types of damage caused by overloads or by direct HF-exposure (transmitting
antennas) are also excluded from the warranty. In case of absence from home, the potential danger and
subsequent damage of transmitting (ham radio stations), and thunderstorms etc., can be avoided by disconnecting
the antenna cable.
nũӲnŸẒŻŸnỡŻӜnẒӲŻẒӲӜẒӲӜẒŸnŸӲIn very rare cases, in the immediate vicinity (distance of a few hundred meters) to very strong transmitters,
overload effects can occur, which can overload the antenna electronics and / or the connected receiver in terms
of level. This is possible with an output level of somewhat more than -20dBm. Weak useful signals can then be
suppressed or phantom signals can be generated. Since the GA3005 receives up to max. 3000MHz, signals
outside the shortwave range can also lead to such negative effects.
© 2018 •
Subject to technical modifications; no responsibility is accepted for the accuracy of this information.
All descriptions are for informational purposes only and cannot be understood as express promises concerning
the properties of the products or as warranties. All trademarks acknowledged
ỠỡӛỠӛŲ
ӱŻӲӲӲӜnӛӲӛnӲnnӜǾŨ‡ŨŷӲŻӜnỡӜnӜӲŻẒŸn1Ỷ®
NTi
ATTENTION:
This is a receiving antenna!
Never connect it to a transmitter!
This will destroy the antenna electronics and
void the warranty.
Do not operate next to a transmitting antenna!
ŸӲŸŸӲŻӜŸnThe GigActiv 3005 is an extremely wideband active antenna with max. 3000MHz upper cut-off frequency,
which responds to the electrical component (E-field) of the electromagnetic field.
It has a uniform wideband frequency response in combination with vertically polarised omnidirectional
reception characteristics. This makes it particularly interesting for owners of wideband receivers and
SDRs.
Power can be supplied either via a mains adapter or via USB (e.g. USB power bank) with slightly restricted
IP values. Thus, it is also ideally suited for portable use.
Example of outdoor-installation
ŸӜӜŸӲŻnẒӲŻӲŻThe antenna electronics are powered via the connected
coaxial cable of the power inserter. Power is supplied
by the power inserter (CPI3000UNI) which can be fed
by an external power supply. Whenever possible, do
not use a switch mode power supply; it is always
preferable to use a transformer-based power supply.
Power can also be supplied via USB with the optional
USB to DC power plug part no: 00163-1.
A self resetting fuse will limit the power input to
400mA in case of a short circuit.
The power inserter has two LED-status indicators:
Green (PWR): Operating voltage display
Red (!): Short-circuit ir overload indicator
Inconspicuous
installation for
vertically polarized
omni-directional
reception
The installation of the antenna should ideally take place
outdoors, away from domestic electromagnetic noise.
Therefore, the antenna should be sited typically 5 to
10 meters distant from any building
Contrary to widely held opinion, the highest possible
installation location is not always the best. Better
near the ground, mount on a mast that is 2m high.
This means that the antenna is less exposed to the
risk of lightning and at the same time cable resonance
effects are avoided.
The coax cable used should have the highest
possible attenuation. We recommend the coax cable
types Hyperflex 5 (Messi&Paoloni) or H155 (Belden).
When using a metallic antenna mast, the coaxial
shielding should also be grounded near the antenna.
>>> max. 2m <<<
ӛӲnŸnӬIf the red LED illuminates, disconnect the antenna
and power cables from the power inserter and
investigate the cause of the short circuit or overload!

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