PRODUCTS
This product belongs to:
VHF BAND III - DAB
ALP.04.04.7xx
ANTENNA FEATURES
- Log-periodic 4 elements 5 dBd gain.
- Vertical or horizontal polarization.
- Broadband 174÷240 MHz.
- Directional radiation pattern.
- Aluminium or stainless steel version.
- Analogue/Digital Service.
RADIATION PATTERNS (Mid Band)
ELECTRICAL DATA
| WORKING BAND: | 174 - 240 MHz |
| BANDWIDTH: | VHF band III |
| GAIN: | 5 dBd (7.2 dBi) |
| VSWR: | ≤ 1.13:1 (-24 dB) |
| POLARIZATION: | Linear (Vertical or Horizontal) |
| IMPEDANCE: | 50 Ohm unbalanced |
| HALF POWER BEAMWIDTH: | E-Plane - 65° H-Plane - 130° |
| LIGHTNING PROTECTION: | All metal parts DC grounded including inner conductors |
| AVAILABLE VERSION AND CODE: | ALP0404710 - DIN 7/16 female - max 2000W rms ALP0404711 - EIA 7/8” - max 3000W rms ALP0404730- DIN 7/16 female - max 2000W rms ALP0404731 - EIA 7/8” - max 3000W rms |
MECHANICAL DATA
| MATERIALS: | Stainless steel (version ALP040473X) Aluminium (version ALP040471X) Hot dip galvanized steel bracket and bolts |
| MOUNTING: | Directly on supporting structure |
| MOUNTING BRACKETS: | Included for Ø40÷114mm pipe (Ø1 5/8” - 4”) |
| ICING PROTECTION: | Antenna body covered by ABS radome |
| TREATMENTS: | Powder painted elements and body grey color - RAL 7001 (version ALP040471X) Silver-plated lines and connector |
| PRESSURIZATION: | No |
| ANTENNA DIMENSIONS: | 1046x1036x135 mm (41.81x40.78x5.3 in) |
| ANTENNA WEIGHT: | 8.5 kg (18.7 lb) (version ALP040473X) 5 kg (11 lb) (version ALP040471X) |
| BRACKET WEIGHT: | 4 kg (8.8 lb) |
| WIND SURFACE: | 0.036m2 (0.38 ft2) front - 0.156m2 (1,67 ft2) side |
| WIND LOAD (160 km/h and 30°C) (160 km/h and 30°C) | 0.03 kN front - 0.24 kN side |
| SURVIVAL WIND: | 220 km/h (136.7 mph) |
| PACKING DIMENSIONS: | Box 1630x1950x150mm - 15kg (64.17x76.77x5.9 in - 33lb) |
| SPECIAL FEATURES: | Mounting brackets for slant polarization (Cod. XSTLOG-ROT) Mounting brackets for parallel arrays (Cod. XSTLOG-PER) |
ARRAY FEATURES
- Directional or custom patterns
- Equal or unequal power distribution system
- Configurable for specific azimut and elevation pattern
- Suitable for multiplexing many channels
ARRAY ELECTRICAL DATA
| FREQUENCY RANGE | 174 ÷ 240 MHz |
| IMPEDANCE | 50 ohm |
| CONNECTOR | EIA flange according to system power rating |
| POWER RATING | The antenna system can accept any power according to requirements |
| VSWR | ≤ 1.08 in the operating channels or ≤ 1.15 throughout the frequency range Antenna system VSWR value also depending from the supporting structure |
| POLARIZATION | Vertical or Horizontal |
| GAIN | Refer to table |
| HORIZONTAL PATTERN | Any type according to requirement |
| VERTICAL PATTERN | Null fill, beam tilt and special requirements to order |
| OTHER FEATURES | Antenna components and feed harnesses can be optimized for channels of interest. |
ARRAY MECHANICAL DATA
| HEIGHT OF ARRAY | Subject to number of bays |
| TOTAL NET WEIGHT | Refer to table |
| WIND LOAD | Refer to table |
| PRESSURIZABLE | No |
| MOUNTING HARDWARE | Optional mounting for side mount configuration |
ARRAY TECHNICAL DATA
ANTENNA DIMENSIONAL DETAILS
ANTENNA DIMENSIONAL DETAILS
OPTIONS & SERVICES
| PATTERN DESIGN | Custom azimuth and elevation (beam tilt and null fill) patterns can be designed to meet specific protection/coverage requirements |
| PATTERN CERTIFICATION | Proof-of-performance factory test and pattern measurements on ALDENA test plan area |
| MOUNTING HARDWARE | Turn-key antenna delivering Tower top/side spine Special hardware/brackets |
| TRANSMISSION LINE | Transmission line system design and layout |
| COMBINERS/FILTERS | Combiners/Filters to suit requirements can be supplied |
| CALCULATION SERVICES | Coverage/interferfence simulations EM Near Field control and reduction (Environmental impact studies) |
| ON-SITE SERVICES | Site Survey and Inspection Installation/commissioning and supervisioning Drive test & EM Field strength measurements After sales maintenance |
| TRAINING | Techical training certification and consultancy |
Specifications are subject to change without notice.