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Optical equipment for cable TV

Optical receivers TERRA OD001A, TERRA OD002

2


 

Benefits:

  • Electronic setting of all parameters
  • AGC linked to the optical input level
  • thermocompensation of deflection of  HF output level
  • digital indication of optical input level and other parameters
  • possibility of remote power supply  through output HF output
  • solid cast housing

Technical characteristics:

Parameter

OD001A

OD002

Wave length

1100 -1600 nm

Optical level at input, controlled by AGC

-7...2 dBm

Spectral concentration of noise current

≤ 7.0 pA/√Hz

Frequency range

47 - 862 MHz

Impedance

75 Om

Reflection coefficient

18 dB/40 MHz - 1.5 dB/per octave

Unevenness of amplitude-frequency characteristic

± 0.75dB

Output level (contr. AGC, 4.9% OMI)

94 dBµV

106 dBµV

Output level* (CTB, EN50083-3)*

99 dBµV (chan..)

107 dBµV (chan..)

Output level* (CSO, EN50083-3)*

101 dBµV (chan..)

110 dBµV (chan..)

Intercascade attenuator***

0 - 10 dB with increments of 0.5 dB

Intercascade corrector***

0/5/10 dB commutable

Supply voltage

AC 187-250 V; DC 12-18 V/4 W

AC 187-250 V

Consumed power

5 W

6W

Attenuation coefficient at the control output

-20 dB

Optical socket**

SC/APC

HF sockets

F

Working temperature range

-20...+50°C

Dimensions/Weight (in packing)

185.5x95x47mm/0.9 kg

* - Output level(CTB,CSO) measured with intercascade corrector 5dB **  
- other sockets supplied on special order  
***- switched programmatically

Structural scheme: