VOS 137/RA 2.0

House connection amplifier 47/85-1006 MHz | locally fed

  • House connection amplifier 47/85-1006 MHz
  • F-Connectors
  • Gain 40/34/30 dB
  • Level control / equalizer: 20 dB
  • 113/116 dBµV (60dB CTB/CSO, Cenelec 42 Ch.)
Sources of supply
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  • House connection amplifier for modern HFC networks
  • Locally fed
  • Latest GaAs MMIC technology
  • Very high output level with favorable energy balance
  • High efficiency switching power supply
  • New innovative operating concept:
    • Simplified leveling via rotary switch
    • Large adjustment range (20 dB), small step size (1 dB)
    • Basic configuration via jumpers
    • Exactly reproducible device settings
  • Slot for additional functions in the forward path (e.g. deemphasis, system equalizer)
  • Gain by interstage attenuation switchable with jumper 40/34/30 dB (delivery condition: 34 dB)
  • Diplexer can be bridged (Band I operation possible without return path)
  • Return path (active/passive/disconnectable) with various setting options permanently integrated
  • Classification according to KDG 1 TS 140: Type D(4.4)
  • Test sockets (F-connectors):
    • Bidirectional at input (switchable)
    • With directional coupler at output
  • Internal LED function indicator
  • Overvoltage arrester at input and output
  • Complies: EN 60728-11, EN 50083-2 and EN 62368-1
  • Cast housing with F connections (VOS 137/RA 2.0, VOS 138/RA 2.0) or PG 11 connections (VOS 139/RA: order cable fittings separately, not included in delivery)
  • For use in locations protected from the weather
  • The amplifier complies with the requirements of the EMC Directive 2014/30/EU and the Low Voltage Directive 2014/35/EU valid at the time of delivery
  • Vodafone/KDG release
Type: VOS 137/RA 2.0
Order no: 209500003
Vodafone/KDG release: yes
Forward path: —————————————————–
Frequency range 1): 47/85-1006 MHz
Reinforcement: 40/34/30 dB
Adjustment range of damping adjuster: 0-20 dB
Adjustment range equalizer : 0-20 dB
Adjustment range Interstage damping: 0-20 dB
Adjustment range interstage equalization: 0/3/6 dB, 0/6 dB
Maximum operating level at 862 MHz 2) with 6-dB interstage preemphasis (60-dB CTB/CSO): 113/116 dBµV
Noise figure (interstage attenuation 0/6/10 dB): Type. 6/7/7 dB
Way back: —————————————————–
Frequency range: 5-65 MHz
Gain active/passive: 30 dB/-2 dB
Adjustment range input attenuation: 0/10 dB
Adjustment range input equalization: 0/3 dB
Adjustment range interstage damping: 0-20 dB
Adjustment range interstage equalization: 0/3/6 dB
Max. Output level (60-dB-IMA2/IMA3) 107/116 dB
Control capability KDG 1 TS 140 (full system load): 120 dBµV
Noise Measure: Type. 5 dB
Input level density (CINR at 50 dB, EN 60728-3; 4.7): -10 dBµV/Hz
Dynamic range (EN 60728-3; 4.7): 17 dB
Test sockets (F-connector) —————————————————–
Amplifier input (5-1006 MHz, bidirectional): -20 dB
Amplifier output (5-1006 MHz, with directional coupler): -20 dB
Switching power supply: —————————————————–
Nominal input voltage: 230 V∼ (50/60 Hz)
Typical nominal input power 3)
Return path passive or disabled: 13 W
Way back active: 14 W
General: —————————————————–
Impedance input/output: 75 Ω
RF connections: F-Connector
Protection class: II
Protection class (according to EN 60529) 4): IP 54
Temperature range: -20 to +55 °C
Dimensions: 218 x 150 x 80 mm
Packaging unit/weight: 1 (10)/1.25 pcs./kg
Classification according to KDG 1 TS 140: Type D (4.4)

1) Frequency range from 47 MHz without return path use
2) According to EN 60728-3; CENELEC grid with 42 beams
3) VOS 138/RA 2.0 and VOS 139/RA 2.0: Nominal input power as a function of the feed-in voltage during operation via the cable resistor
4) Outdoor use in weather-protected cabinets only.

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