Datasheet

Modular broadband ampli ers
158
VARIO 683, VARIO 681
Universal broadband amplifi er
confi guration via pads
VARIO 681: 15 MHz high-pass at the return path
4 testpoints
VARIO 683, VARIO 681
Type Vario 683 O / F Vario 681 O / F
Order number local powering 217 685 217 681
EAN-code local powering 4026187003067 4026187003029
Order number remote powering 217 684 217 680
EAN-code remote powering 4026187003050 4026187003012
Forward path
Gain [dB] 40 ± 0,8
Maximum output level
42 channels / linear
42 channels / 7 dB Slope
[dBµV]
[dBµV]
113 (CTBA & CSOA ≥ 60 dB)
115
Common data
Frequency range [MHz] 47 - 862 47 - 862 with 15 MHz high-pass fi lter
Ripple [dB] ± 0,8 including temperature drift
Noise fi gure [dB] typ. 5,5
Attenuation in the input [dB] 0 - 20 (0,5 dB - steps)
Attenuation interstage [dB] 0 - 7 (0,5 dB - steps)
Equalizer in the input [dB] 0 - 20 (0,5 dB - steps)
Equalizer interstage [dB] 0 - 10 (0,5 dB - steps)
Base of equalizer [MHz] 862
Inverted equalizer in the input [dB] 0 - 10 (0,5 dB - steps)
Base of inverted equalizer [MHz] 47
Input testpoint
Output testpoint
[dB]
[dB]
return path 20 ± 1 / forward path 20 ± 2
20 ± 1 (directional coupler) 5 - 862 MHz
Power consumption
with / without return path
[W]
19,5 / 17 (F)
18 / 16; 35 / 32 VA (O)
Testpoints 4