1. Amplifiers Return path amplifiers VGR 28 30 20910008 VGR 28 65 20910009 Suitable for the VOS 30 F VOS 40 F and VOS 40 P house connection amplifiers Please order separately not supplied with VOS 30 F VOS 40 F and VOS 40 P Adjustable equaliser and variable attenuator delivery condition max attenuation on the output Ambient temperature range 20 to 55 C Type VGR 28 30 VGR 28 65 Order no 20910008 20910009 Frequency range MHz 5 30 5 65 Gain dB 28 Setting range of variable attenuator amplifier output dB 0 20 Setting range of equaliser amplifier output dB 0 20 Input level density CINR 55 dB dBuv Hz 6 Dynamic range input level density dB 19 Max output level 60 dB IM2 IM3 dBuvV 112 118 Noise figure dB 5 Dimensions W xH x D mm 130 x 17 x 38 Packing unit weight pc kg 1 10 0 08 1 To EN 60728 3 point 4 7 Block diagram VOS 40 F with VGR 28 xx 0 20dB 0 20dB 0 6dB 0 6dB 47 862MHz 47 862MHz 80 862MHz 80 862MHz VGR 28 30 5 30MHz VGR 28 65 530MHz 5 65MHz 5 65MHz lt a b 20dB 20dB Switched mode Wh power unit I Return path output A 5 862MHz 5 65MHz Input Output 5 862 MHz 5 862 MHz 98