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Amplifier 3 ways

Description

Features

Part Number : NTX-TR870

NTX-TR870 is an external amplifier with three outputs used to transmit analog signals , Digital, Data, Internet, IPTV in Cable TV.

The equipment has high-tech integrated circuits, temperature extended circuit has automatic gain control AGC, ADU (Automatic Driver Unit) function is selected high-quality materials to manufacture anodized chassis and rubber seal.

  • The direct and return ways have amplifiers of Gallium Arsenurio Hybrids that have high gain, low noise, high gain and ratio C / N. The frequency of operation is 870 MHz.
  • Pads and equalizers are compatible with Motorola.
  • The source voltage is self-regulating from 38-90 vac.
  • It has automatic gain control AGC.
  • It has an ADU (Automatic Driver Unit) to which a carrier at 499.25 MHz (Channel 70) from the head-end to achieve optimum gain control function of the degradation of the signal of TV and data caused by the temperature variation of this exposed coaxial cable.

Direct (Forward)

Parameters Units Specifications
Range of Frequency Mhz 5-40/51 a 870
Linearity dB +-0.75

Minimum Gain

dB 45

Operational Gain

dB 40
Nominal Output dBmV

550Mhz 38, 870 Mhz 44

Band Linearity dB ±0.75
Noise dB ≤10
Loss of Reflection dB ≥16
(C/CTB) dB < -75
(C/CSO) dB

< -75

Group Delay ns ≤10(112.25Mhz/116.68Mhz)
S/N % <2
Bode Slope Range dB -5.0~+5.0

Return or Reverse

Parameters Units Specifications
Range of Frequency Mhz 5 a 40
Nominal Gain dB 12 16 20 24
Minimum Gain dB ≥12 ≥16 ≥20 ≥24
Max. level of OUTPUT dBuV ≥110
Band Linearity dB ±0.75
Noise dB ≤12
Loss of reflection dB ≥16
dB ≥52
Group Delay ns ≤20(57Mhz/50Mhz)
S/N % <2

General

Parameters Units Specifications
Impedance Ω 75
Imput Voltage V A:AC(135~250)V:B:AC(35~90)V
Power W 50
Dimensions cm 46*25*19