A 12 AD-UHF
Active directional antenna with integral booster amplifier. The A 12 AD-UHF
has a switching bandwidth of 24 MHz which can be adjusted within the range
of 450 - 960 MHz. The integral booster amplifier directly receives the necessary
DC power via the antenna cable from the receiver. Suitable for Sennheiser receivers
EM 2003-TV HDP, EM 2004 UHF, EM 1046 UHF, and EM 203 UHF.
Technical data - antenna
Antenna type
log-periodic
Frequency band
450 - 960 MHz
Angle of acceptance (-3 dB)
approx. 100
°
Front-to-back ratio
≥
14 dB
Gain over half-wave dipole
approx. 3 dB
Connector
BNC socket, 50
Ω
Dimensions in mm
280 x 280 x 40
Weight (incl. amplifier)
approx. 350 g
Technical data - amplifier
Tuning range
450 - 960 MHz
Effective bandwidth (-1 dB)
24 - 30 MHz
Amplification
10 - 14 dB
Intermodulation attenuation
≥
80 dB
Operating voltage
11 - 18 V (via antenna cable)*
Current consumption at 11/18 V
55/65 mA*
* The EM 2003 and EM 2004 receivers limit the current to 25 mA max. at
approx. 8 V, but we would nevertheless recommend the use of the A 12 AD-
UHF antenna since the only reduction in quality is that the intermodulation
attenuation will be reduced to
≥
74 dB.
Subject to alterations.
