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The Alcad AM173 is a single-entry mast amplifier with a new, improved design, LTE free design, increased weather resistance and increased vibration resistance. Suitable for indoor and outdoor installation. The input is frequency divided into two bands for separate regulation of gain by resistance trimmers and then both bands combined. The power supply of the amplifier + 12V is realized remotely via coaxial cable through the output preferably from the original power supplies eg AL-105 or AL-205, which are including power switch and also have a broadband splitter with two outputs integrated. The amplifier is made by SMT technology and is placed in Zamac casting, plastic cover provides increased protection against weather conditions, plastic amplifier cover is adapted for mounting on mast (max.diameter approx. 48mm using black PE strap), as well as wall, inputs and the outputs are on the F-connectors, the UHF input can be switched on for + 12V/50mA preamplifiers, the electrical and mechanical connection between PCB and Zamac casting has been improved, resulting in greater amplifier stability. We recommend connecting antennas that receive both DAB radio and UHF band with DVB-T2, then just one coaxial cable to the amplifier and you don't need to use combiners. Such antennas are, for example, antennas with catalog numbers 14460866, 14460855.
Technical parameters :
- preamplifier input : 1pc (160-260MHz + 470-790MHz) - preamplifier main output : 1pc (160-260MHz + 470-790MHz) - test preamplifier output (-15dB) : yes - Operating frequency : 160-260MHz + 470-790MHz - DAB / UHF gain : 10 dB/20 dB - Input attenuation in the DAB/UHF band : 0 to 20dB/0-16dB - transmission characteristic ripple : 2dB - own noise in work. band : 3 ±1 dB - max output level DIN45004B : 108dBµV - max output level IMD3 -66 dB : 105dBµV - max output level IMD2 -60 dB : 93dBµV - input and output reflection damping : >10 dB - input connector : 1 x Ff - output connector : 2 x Ff - power supply to the amplifier output : 12V / 45mA - Voltage presence LED : yes - power supply of preamplifiers 12V/50mA to input : yes - disconnectable by switch - outdoor and indoor use : yes, IP53 - operating temperature : -10 ... + 65 ° C - weight : 0,25 kg - package size : 110 x 125 x 45 mm
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