Home > Products > 5 CATV RF Amplifier > Bi-directional Amplifier CATV TGM2800C trunk Bi-directional Amplifier
Bi-directional Amplifier CATV TGM2800C trunk Bi-directional Amplifier
- 10000 Set / Sets per Month
- Shanghai
- T/T
Product Details
Place of Origin: | Jiangsu, China | Brand Name: | Lootom | Model Number: | TGM2800C |
Product Description
Bi-directional Amplifier CATV TGM2800C trunk Bi-directional Amplifier
Overview
TGM2800C amplifier is specially designed for HFC network “last mile” access application.GaAs technology ensure high output level, up to 112dBuV(single output port), 108dBuV(dual output ports).
Features
- GaAs amplifier module at output stage, high output level, excellent CTB,CSO
- Aluminum die-casting housing, excellent water-proof and heat dissipation performance
- -20dB test points at both the input port and the Output port
- Independent return path; plug-in reverse attenuator; -20dB test points at the input port and the output port of the reverse path.
- Plug-in attenuator and equalizer at the forward input, reverse output and inter-stage.
- 862MHz bandwidth, bi-directional transmission
- Modular design
Diagram
Specification
Structure
1. RF IN 1
2. RF IN -20dB TP
3. RF OUT 1
4. RF OUT 2
5. 220V/60V Power IN
6. Diplex Filter
7. Diplex Filter
8. Forward Equalizer
9. Return Equalizer
10. Interstage Equalizer
11. Forward Input Pad
12. Return Output Pad
13. Interstage Pad
14. Return Input Pad
15. Power Thru RF IN 1
16. Power Thru RF OUT 1
17. Power Thru RF OUT 2
18. Forward input amplifier module
19. Return RF amplifier module
20. Forward output amplifier module
21. Plug - in 2-Splitter/TAP
22. Power Switch
23. Return Output -20dB TP
24. Return Input -20dB TP
25. Forward Output -20dB TP
Specifications
Item | Unit | Description | Remark | |
Forward | Reverse | |||
Bandwidth | Hz | 47/87~750/862 | 5~30/65 |
|
Technology |
| Push-Pull,Power-Double, GaAs | Push-Pull |
|
Flatness | dB | ±0.75 | ±0.75 |
|
Return Loss | dB | ≥16 | ≥16 |
|
AC Power Through | A | 12 |
| |
Hum | dB | ≥65 | ≥65 |
|
DC Current(24V) | A | 0.7 | 0.2 |
|
Test | dB | -20±1.5 | -20±1.5 |
|
Recommended RF Output Level (Power-Double) | dBmV | 48.0@862 MHz 39.0@87 MHz | 35@65 MHz 35@5 MHz |
|
Full Gain(Min) | dB | 35 | 20~24 | Reverse Full Gain not include the loss of the reverse mixer, Reverse Gain can be changed by selecting different gain reverse amplifier module |
Slope | dB | 9 |
| Tested at the recommended RF output level. |
Noise Figure | dB | ≤10 | ≤10 | 0dBbalance |
Time Delay | ns | ≤10 | 5~30≤30,5~65≤20 |
|
Surge Protection | KV | 5 |
| |
Distortion |
| 59 PAL | 3 PAL CW |
|
C/CTB C/XM C/CSO | dB dB dB | ≥70 ≥65 ≥69 | ≥88 ≥80 ≥82 |
|
Power
Item | Unit | Description | Remark |
Input Voltage | V | AC 50Hz 40~60 or 220V |
|
Output Voltage | V | DC +24V |
|
Output DC Current | A | +24V:1.0A Max, |
|
Work Temperature | ℃ | -40℃~+60℃ |
|
Cable Connect
The RF cables carry both forward and reserve path signals. The RF cables also supply the 24 to 75 V ac power or 110 to 275V ac power (optional) to operate the amplifier.
Follow these steps to install the RF cables:
- 1. Determine which ports receive an RF cable for your configuration.
- 2. Prepare extension loops on the input and output cables.
- 3. Install the connectors on the cables according to the manufacturer’s instructions.
- 4. Carefully install the coaxial connectors onto the amplifier entry ports. Do not bend the center conductors.
- 5. Connect the cables to the adapters.
- 6. Tighten the cable connector’s seizure screw to ensure contact with connector pin. Do not over-tighten.
Power Supply
TGM2800C amplifier requires input power of 24 to 75 V ac or 110 to 275V ac. Any RF input and output port can be through power and also have one power inserter port.
NOTE: Do not supply power by two or more than two RF cables at one time.
Setup and Operation
Tools and test equipment required for setup are list below:
- 1. Digital voltmeter with .001 V dc resolution
- 2. Multiple frequency signal generator
- 3. Field strength meter
- 4. 1GHz Adapter
Forward Path Setting
- 1. There is a station before the first and second amplify module for inserting a attenuator, select right attenuator to adjust input level.
- 2. There are –20dB test ports at anterior and posterior of amplify module, inspect module by selecting assortative adapter.
- 3. The slope should be changed according to demand. Adjusting interstage equalizer can change that. The designed slope is 9 dB.
Customers who bought this product will also consider our following products:
TGM100D TGM2800D
TGM2800F
and other product, for futher information, please refer to our company website.
or
Contact Us
- Lootom Telcovideo Network (Wuxi) Co., Ltd.
- Contact nameLeila he
- Phone86-510-85168151
- Address4th. Floor, 9 Building, 100# Dicui Road Wuxi,Jiangsu
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