HDO803 Receiver

The HDO803 is a forward path receiver for fibre optic links in CATV networks. HDO803 receiver has an extended frequency range to fulfil DOCSIS 3.1 requirements. HDO803 can be delivered with an integrated spectrum
analyser module.

Features at a glance:

  • DOCSIS 3.1 compatible 1.2 GHz bandwidth
  • Fibre connector can be located at the rear or at the front panel
  • Front panel DC test point for optical input power
  • Wide adjustment ranges for output level and slope
  • Automatic A/B backup switching with external passive RF coupler
  • Three output level control modes: Automatic based on optical input level, Manual and Pilot based (with spectrum analyser option)
  • Small form factor family, 2 RU height
  • Forced cooling through the unit

Product Specifications

Optical parameters
Light wavelength
1290…1620 nm
Input power
-5…+3 dBm
RF parameters
Frequency range
47…1218 MHz
Output level
105 dBµV
± 0.5 dB
Slope variation
± 1 dB
RF impedance
75 Ω
Output return loss
18 dB
Slope control range
10 dB
Level control range
20 dB
RF test point attenuation
20 dB
Secondary output attenuation
20 dB
Spectrum analyser option (optional)
Measurement range
47…1218 MHz, 0.25 MHz steps
Measurement bandwidth
0.35 MHz
Dynamic range
70…110 dBµV
Measurement accuracy
± 1 dB
Noise and distortion performance
Umax(138 x QAM channels) @ 1.2 GHz
> 104.5 dBµV
Noise current density
5.5 pA/√Hz
72 dB
68 dB
Power consumption
13.7 W (with SA 14.7 W)
Supply voltages
25 V / 470 mA (with SA 470 mA)
6.3 V / 320 mA (with SA 470 mA)
Optical connector
SC/APC or E2000/APC
RF connectors
F female
Field replaceable fan
Dimensions (h x w x d)
2U x 7HP x 380 mm, Occupies 1/12 of HDX002
1.5 kg
EMC compliance
EN 50083-2
Enclosure classification
Operating temperature range
0…+45 °C
Storage temperature range
-20…+60 °C
Operating relative humidity
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