VWS 2500

Multiswitch distribution network amplifier

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  • Distribution network amplifier for satellite and terrestrial range in Kathrein satellite IF distribution system 4 x satellite IF
  • Five amplifiers (4 x Sat IF and 1 x terrestrial range) are housed in one cabinet
  • High modulation stability of the amplifier trains
  • High decoupling between the amplifier trains
  • BK suitability of the terrestrial amplifier train by GaAs output stage
  • For indoor installation
  • Stepwise adjustable attenuation controls (1-dB step) in each amplifier strip for leveling different input levels
  • Fixed pre-equalization in the terrestrial amplifier train
  • Stepwise adjustable pre-equalization (2/4/6 dB) in each satellite amplifier train
  • Low power consumption due to highly efficient, short-circuit-proof switching power supply unit
  • LNB remote power supply possibility via the input horizontal low. All other inputs are voltage-free (thus operation with UAS 585 possible)
  • Kathrein Power Saving: In systems that support Kathrein Power Saving (KPS), the LNB supply is switched off as soon as no receiver is in operation.
Type: VWS 2500
Order no: 20510098
Inputs: 1 x terrestrial / 4 x Sat IF
Decoupling strain: -40 dB
Max. Output level (2nd order interference products): 104 ⁴) / 110 ³) dBµV
Max. Output level (3rd order interference products): 113 ²) / 115 ³) dBµV
Permissible input voltage range: 198 – 253 V
Nominal input voltage: 230 V (47 – 63 Hz)
Nominal input power at 0-/150-/620-mA load: 5,4/8,1/18 W
Protection class | Protection class: II (protective insulation) | IP 30
Frequency range: 47-862 / 950-2150 MHz
Available remote power supply current (input horiz. low): 600 mA
Max. Operating level for BK (up to 862 MHz) ⁵): 98 dBµV
Setting range of attenuation adjuster (1 dB steps): 0 – 14 / 0 – 15 dB
Amplification ¹): 17 → 21 / 24 dB
Adjustment range equalization: 2/4/6 dB
Voltage secondary (input horiz. low): 18 V
Connections: F-Connectors
Permissible ambient temperature: -20 to +55 °C
Dimensions (W x H x D): 148 x 205 x 43 mm
Packaging unit/weight: 1 (10)/0.75 pc/kg

¹) Frequency-dependent amplification (pre-emphasis)
²) 60-dB KMA according to EN 50083-5
³) 35-dB IMA according to EN 60728-3
⁴) 60-dB IMA according to EN 60728-3
⁵) According to EN 60728-3, 60-dB-CTB/CSO, CENELEC grid

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