CX4 Amplifier
The CX4 is a compact DOCSIS® 4.0 amplifier based on an extremely high-performance GaN solution that makes the usable gain range especially wide and allows for high output level. The amplifier comes in two variants: a Group Amplifier CX4-DG and an End Amplifier CX4-D. Both variants can be equipped with an HMS transponder, allowing for remote control of features such as Ingress Switches and Power Save.
Features at a glance:
- 1.8 GHz forward path
- Up to 492 MHz return path set by plugin modules
- Push buttons and a display for easy adjustment
- Automatic Split detection
- Power Save modes
- Return Auto Alignment
- Ingress Control Switches
- Cable Simulator
- Bypass port at input
- Remote connectivity with CXT25 transponder
Product Specifications
Downstream signal path
Frequency range
258…1794 MHz
Gain
51 dB
Return loss
18 dB
Input attenuator
0…20 dB
Input equalizer
0…22 dB
Cable simulator
0 dB/15 dB
Interstage attenuator
0…20 dB
Interstage equalizer
0…20 dB
Noise figure
9 dB
Total Composite Power
68 dBmV
Upstream signal path
Frequency range
8…492 MHz
Gain
32 dB
Return loss
18 dB
Input attenuator
0…20 dB
Interstage attenuator
0…20 dB
Output attenuator
0…20 dB
Equalizer
0…20 dB
Noise figure
7.5 dB
Total Composite Power (in)
32 dBmV
General
Connectors
External ports: 5/8” threads, Test points: F type
Test points
20 dB
Supply voltage
30…90 VAC
Power consumption
≤ 25 W
Dimensions
26 × 22 × 7 cm (w × h × d)
ESD
4 kV
Surge
6 kV
Operating temperature
-20…+65 °C
Downloads
