Characteristics

Unit

Value/Performance

FORWARD PATH 

RF Parameters

Operating Bandwidth

MHz

82 - 1000 or higher

Flatness

dB

≤ ± 0.75

Output Level @ 1,000 MHz

dBmV

≥ 52 @ 15 dB slope (optical Input: -1 ~ +2 dBm)

RF Amplifier Technology 

-

1 * CATV GaAs or GaN Push Pull Hybrid Amp. Module and 4 * CATV GaAs or GaN Power Doubling Hybrid Amp. Modules, brand names from G7/EU countries

RF Return Loss

dB

≥ 16

RF Impedance

Ω

75

Test point

dB

-20 ± 1

Output Port

-

5/8-24 Female

Gain Control Range

dB

0 ~ 20, 

Slope

dB

0 ~ 16.5

Optical Parameter (must support at least 2 receiver modules, 1 as main and 1 as redundant, on field pluggable, with RF auto switch)

Receiver Type

-

InGaAs PIN Photodiode + CATV GaAs or GaN Push Pull Hybrid Amp. Module, brand from G7/EU countries; or Optical Receiver Hybrid Module + MMIC, brand from G7/EU countries. 

Optical Wavelength  

nm

1290 ~ 1600

Optical Return Loss

dB

≥ 45

Input Power

dBm

-4 to + 2, or larger

Connector

-

SC/APC (ferrule material: ceramic)

Link Performance

10 Km fiber cable, Input Level:  20 dBmV / Analog channel (77 NTSC / 60 PAL analog channels) + upto 450 MHz digital channels 

-

C/N ≥ 52 dB (@ 0 dBm optical input)

C/N ≥ 51 dB  (@ -1 dBm optical input)

C/N ≥ 50 dB  (@ -2 dBm optical input)

CSO ≥ 63 dB, CTB ≥ 63 dB

RETURN PATH (must support 2 modules for ONU segmentation purpose, on field pluggable) 

RF Bandwidth

MHz

 5 – 65,

RF Amplifier Technology

-

Reverse Hybrid Amp. Module, brand from G7/EU countries

RF Return Loss

dB

≥ 16

Optical Wavelength  

nm

1310±10 or 1550±10, specify when ordering

Laser Type 

-

Uncooled DFB Laser with isolator, brand from G7/EU countries

Optical Return Loss

dB

≥ 45

RF Flatness 

dB

≤ ± 0.75

RF Input Level

dBmV

15 to 25, or larger

Optical Connector

-

SC/APC (ferrule material: ceramic)

Optical Output Power

mW

0.5, 1.6 or 2, specify when ordering

Return Link Performance (15 dBmV full range or 2 video channels with 25 dBmV/ch)

NPR

dB

≥ 44

Dynamic scope

dB

≥ 24

Others

Operational Temp.

°C

0 to +60, or larger

Storage Temp.

°C

0 to + 70, or larger

Power Supply

V

40 to 90 V_AC,  50/60 Hz, or larger

Current passing (withstand)

A

≥ 10

* Lightning Arrestors at all RF In/Out ports. 

* RF Amplifier Platform, Forward Receiver and Return Transmitter Modules: On field Pluggable.