VHF TV Antenna VF-4
Technical documentation
VHF TV Antenna VF-4
The shortest YAGI VHF antenna for receiving good TV signals. Good ratio gain vs. antenna length.
- VF-4: Antenna without »F« connector (coax. cable must be connected to balun mechanically by screws).
- VF-4 F: Antenna with "F" female connector.
- VF-4 FG: Active antenna with YAGI VHF amplifier with filter DIGI-YAGI 20VD and with »F« female connector.
Amplifier with filter DIGI-YAGI 20VD:
- Frequency range: VHF CH.. 5-12 + DAB (170 – 240 MHz)
- Amplificatin 170 – 240 MHz: +20 dB
- Cutting freq. (notch filter)): 140 – 150 MHz: – 28 dB
- Noise figure: 2 dB
- Power supply: 25 mA @5 – 24 VDC
- Impedance/connector: 75 Ohm, F female
- Channel (freq.): VHF Ch. 5-12 (174-230 MHz)
- No. of elements: 4
- Gain: 5-6 dB(i)
- F/B ratio: 14 -18 dB
- Beam width: Horizontal 65°; Vertical 105°
- Antenna length: 67 cm
- Impedance: 75 Ohm
- Inclination: 0°-10°
- Mounting on mast with outside diameter: 20-62 mm
- Antenna can be mounted on mast in horizontal or vertical polarization.
- Antenna carrier: 18x12 mm
- Dipole: classic dipole
