Repeater
Waveguide Components
Passive Components
- HPA
- MPA
- Pre Amplifier
- LNA
- Active Redundant LNA
- LOW NOISE AMPLIFIER
- GPS LNA (ALA-1400G)
- Power Detector
- VSWR Detector
- Up/Down Converter
- Digital Attenuator
- SYNTHESIZER
- 18GHz RECEIVER
- 18GHz TRANSMITTER
- ATMA-1800G
NMS System
Sub System
Measurement
CarPC
Active System
Dual Channel TMA for GSM (ATMA-1800G)
 
 
Description
 
• The Actipass Tower Mounted Amplifier comprises of high Q Band pass filter, very low loss switch, and low noise LNA with circuit for By-Pass mode.
• We especially design with all active components intergrated within the filter body providing a reliable, compact size and lightweight TMA solution
Features
 
• Compact size, lightweight, high performance
• Dual channel
• Improved base station sensitivity
• High reliability with by pass-mode
 
Technical Specification
 
No. General Requirements Specification Remark
1 Frequency Range Uplink band : 1710 ~ 1730MHz,
Downlink band : 1805 ~ 1825MHZ
 
2 Upink Gain 15dB ±1dB
3 Uplink Noise Figure 1.6dB max.
4 Downlink Insertion Loss 0.5dB typ. (0.7dB max.) Over operating Temperature.
5 Return Loss Downlink input 18dB min.  
Downlink Output 18dB min.  
Uplink Input 18dB min.  
Uplink Output 15dB min.  
6 Pass Band Ripple Downlink 0.2dB max.  
Uplink 0.5dB max.  
7 Down Link Output power 50Watt max. GSM Signal
8 Uplink IP3 25dBm min.  
9 Uplink P1dB 10dBm min.  
10 Insertion Loss @Uplink Bypass Mode 2dB max.  
11 Operating Temperature: -30 ~ +70℃  
12 Voltage 13V DC on RF cable Operating Range (5.5V~30V)
13 Current 250mA max.  
14 Connector SMA(F)  
15 Size (Length X Height X Width) 160mm X 60mm X 100mm Exclude connectors
 
Functinal Block Diagram
 
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