Outdoor Antenna Amplifier: ALCAD AM-356 (UHF-UHF-FM/DAB)

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Outdoor Antenna Amplifier AM -105 ALCAD
View of the amplifier on a mast
Outdoor Antenna Amplifier AM -105 ALCAD
Outdoor Antenna Amplifier AM -105 ALCAD
View of the inside of the box and the way of mounting
The F connectors are not included
Outdoor Antenna Amplifier AM -105 ALCAD
View of the packaging
ALCAD AM-356 is a low-noise masthead amplifier mounted close to the antenna array. The amplifier increases signal power to the level required for connecting several or so receivers/TVs. Compared to its predecessor (AM-316), the maximum gain has been slightly reduced to optimize reception of DVB-T signals, and the housing has been changed as well. The new housing enables the installer to use practically any kind of compression F connectors, including PCT products.
The AM-356 amplifier can be fed from a typical 12 V / 100 mA power supply with RF/DC separator. It can also be powered via the RF cable. When installing preamplifiers it must be remembered to check the overall current consumption in order not to exceed the power supply's maximum capacity, or choose in advance appropriate device.
Distinguishing features
  • max gain: 32 dB (UHF), 20 dB (FM/DAB);
  • inputs: FM/DAB, 2*UHF;
  • max noise figure: 6.5 dB (UHF), 6 dB (FM/DAB);
  • remote line powering (12 V);
  • preamplifier powering option (12 V);
  • F connectors;
  • test output;
  • outdoor housing.
Installation and security notes
AM-356 amplifiers are fed through coaxial cable, with 12V voltage from a stabilized power supply with RF/DC separator. The amplifier is designed for mast mounting, and it can work in open spaces. To avoid any possible damage, power should not be switched on until all connections have been properly made.
It is advised to use the AL-105 ( R903087) or ZS 12/100 ( D0010) power supply. The device can also be supplied from the input of Terra HS-013 R82010 amplifier, or any other amplifier which can provide 12 V power through coaxial cable and has at least 50 mA capacity (with no preamplifiers). Optional preamplifiers with max current consumption of 50 mA can be put into UHF1 and UHF2 paths (the FM/DAB input is not suitable for this application).
Specifications
Name AM-356
Code R903056
Inputs FM/DAB UHF UHF
Frequency range [MHz] 88-108
160-260
470-862 470-862
Gain (max) [dB] 20 32 32
Gain adjustment [dB] 20 16 16
Max output level [dBμV] 108 (DIN45004B)
105 (IMD3-66dB)
93 (IMD2-60dB)
Noise figure [dB] 5 +/-1 5.5 +/-1
Isolation between inputs [dB] > 30
Power 12 V, 45 mA
DC pass-through for preamp
- 12 V 12 V
Operating temperature [°C] -10...+65
IP rating
IP53

Specifications

Product type Masthead amplifier
Model AM-356
Brand ALCAD
type RF TV/CATV
Applications Outdoor
Operating band FM/VHF+2 × UHF
Inputs/Outputs input count 3
Inputs/Outputs number of outputs 1
DC 0/12 V switch Yes
Gain control Yes
Parametry wzmocnienia
Input 1 Frequency 88...108/160...260
Input 1 Gain dB 20
Gain control dB -20...0
Preamplifier power supply V/A None
Input 2 Frequency 470...862
Input 2 Gain dB 32
Gain control dB -16...0
Preamplifier power supply V/A DC 12/0.05
Input 3 Frequency 470...862
Input 3 Gain dB 32
Gain control dB -16...0
Preamplifier power supply V/A DC 12/0.05
Precorrection of cable characteristics No
Device specifications
Max. output level IMD3=60 dB (DIN45004B) dBµV 108
IMD2=60 dB (EN50083-3) dBµV 105
Inner noise VHF dB 5
Inner noise UHF dB 5
Die-cast enclosure Yes
Signal connector type F
RF test output Yes
Power supply V DC 12
Current drawn A 0.05
Remote power supply 12 VDC
Operating temperature °C -10...+65
Dimensions mm 89 × 107 × 43
Weight kg 0.2