Tower Mounted Amplifiers

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+1 (201) 342-3338 phone  
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89 Leuning Street  
South Hackensack, NJ 07606  
USA  
 
Technical Support  
 
 
+1 (201) 342-3338 phone  
+1 (201)-342-3339 fax  
 
89 Leuning Street  
South Hackensack, NJ 07606  
USA  
 
 
      Triple Band Twin TMA (AWS/PCS/WCS)
with AWS-3 and  700/850 Bypass 
TMABPD7823VG12A
                
       
       
         
  TMABPD7823VG12A FV  
  • Triple Band Twin TMA (AWS/PCS/WCS) which includes AWS-3 and 700/850 Bypass
  • Each TMA has independent gain control of 6 to 12dB
  • Fail-safe bypass mode and multi-strike lightning protection
  • Small lightweight unit offers high reliability of >500K Hours MTBF
  • Highly linear amplifier with low intermodulation

 

Overview

 

CCI’s Triple Band Twin TMA (AWS/PCS/WCS), which includes AWS-3 and 700/850 bypass, contains two triple band TMA’s in a single housing. Each TMA in the housing is fully duplexed and shares a single LNA for all three bands. The bypass path provides excellent isolation to the TMA path. Separate antenna ports for the bypass path and TMA path are combined onto a single BTS port. The Twin TMA's low noise, highly linear amplifiers improve the uplink sensitivity and the receive performance of the base station. The TMA is fully compliant with the AISG 2.0 specification and supports CDMA, EDGE/GSM, UMTS and LTE BTS equipment. The unit is ideally suited for sites upgraded to quad-band using the existing infrastructure. The TMA allows the sharing of feeder lines for all bands thus reducing tower loading, leasing, and installation costs. The input and output connectors are located inline for ease of installation in space constrained areas such as uni-pole structures and stealth antennas.

 

Technical Description:

The TMA system is an outdoor triple band twin tower mount unit which provides low noise amplification of PCS, AWS, AWS-3, and WCS uplink signals combined with 700/850 bypassed signals from separate antenna ports to a common BTS port. The tower mount unit consists of 14 band-pass filters, two redundant low noise amplifiers (LNA) with bypass failure circuitry, two bias tees, AISG control circuitry, and lightning protection circuitry all housed in an IP67 enclosure suited to long life masthead mounting. The AWS, PCS and WCS paths are dual duplexed to separate the low power uplink signals from the high power down link signals at the BTS and antenna ports. The AWS, PCS, and WCS uplink signals are amplified with a dedicated ultra-low noise PHEMT LNA with adjustable gain control. The unit provides protection against lightning strikes via a multistage surge protection circuit. DC power and AISG 2.0 control is provided via the BTS feeder cable. The unit operates in current window alarm (CWA) mode until a valid AISG message is detected, at which point it automatically switches to AISG mode. Once in AISG mode, the unit can only switch back to CWA mode with the receipt of an AISG CCI vendor defined command. In CWA mode, the unit requires 12VDC at each BTS port and follows typical current window convention. In AISG mode, the unit will accept 10-30 VDC from either BTS port. In AISG mode, the unit does not require an AISG 2.0 compatible site control unit (SCU) and may also be powered by a standard power distribution unit (PDU).
An optional Site Control Unit (SCU) is available to power up to 32 AISG modules per sector and to provide the monitoring and alarm functions for the system. The SCU is housed in a single (1U) 1.75” x 19” rack and contains dual redundant power supplies capable of being “hot swapped” that provide a regulated DC supply voltage on the RF coax for the tower mount amplifiers.

Electrical

RF Parameters Ports Frequency(MHz) Specification
Return Loss (minimum) 700/850 ANT 698 - 894 18 dB
PCS/AWS/WCS ANT 1850 - 1910 18 dB (10 dB bypass mode)
1930 - 1990 18 dB
1710 - 1780 18 dB (10 dB bypass mode)
2110 - 2180 18 dB
2305 - 2320 18 dB (10 dB bypass mode)
2345 - 2360 18 dB
BTS 698 - 894 18 dB
1850 - 1910 18 dB (10 dB bypass mode)
1930 - 1990 18 dB
1710 - 1780 18 dB (10 dB bypass mode)
2110 - 2180 18 dB
2305 - 2320 18 dB (10 dB bypass mode)
2345 - 2360 18 dB
Gain Setting PCS/AWS/WCS ANT
to BTS
1710 - 1780, 1850 - 1910, 2305 - 2320 6 to 12 dB adjustable in 0.25 dB steps via AISG (± 1.0 dB)
Gain, Actual
(when set for 6 dB)
PCS/AWS/WCS ANT
to BTS
1710 - 1780, 1850 - 1910 6 ± 1.0 dB
2305 - 2320 5 ± 1.0 dB
Gain, Actual
(when set for 9 dB)
PCS/AWS/WCS ANT
to BTS
1710 - 1780, 1850 - 1910 9 ± 1.0 dB
2305 - 2320 8 ± 1.0 dB
Gain, Actual
(when set for 12 dB)
PCS/AWS/WCS ANT
to BTS
1710 - 1780, 1850 - 1910 12 ± 1.0 dB
2305 - 2320 11 ± 1.0 dB
Insertion Loss 700/850 ANT - BTS 698 - 894 0.25 dB typical
PCS/AWS/WCS ANT
to BTS (RX Bypass mode)
1850 - 1910 2.5 dB typical
1710 - 1780 2.5 dB typical
2305 - 2320 4.5 dB typical
PCS/AWS/WCS ANT
to BTS (TX)
1930 - 1990 0.5 dB typical
2110 - 2180 0.4 dB typical
2345 - 2360 0.7 dB typical
Isolation 700/850 ANT to PCS/AWS/WCS ANT 698 - 894 70 dB
1710 - 2360 70 dB
Noise Figure  PCS/AWS/WCS ANT
to BTS 
1850 - 1910 1.5 dB typical
1710 - 1780 1.3 dB typical
2305 - 2320 2.3 dB typical
Input Third Order Intercept Point (minimum) PCS/AWS/WCS ANT
to BTS

1710 - 1780 +12 dBm at maximum gain
1850 - 1910 +12 dBm at maximum gain
2305 - 2320 +12 dBm at maximum gain
General Characteristics  
Impedance 50 ohms
Continuous Average Power 200 W max.
Peak Envelope Power 2 kW max.
Intermodulation Performance(all ports) <-117 dBm (-160 dBc) typical (2 × +43 dBm tones) all bands
Operating Voltage +10V to +30V DC provided via coax or AISG
Power Consumption < 2.0 W

Environmental

Operating Temperature   -40˚C to +65˚C
Ingress Protection  IP67
MTBF >500,000 hours
Lightning Protection 8/20us, ±10KA max, 10 strikes each per IEC61000-4-5

Mechanical

Connectors   6 × 7-16 DIN female 1 × AISG
Dimensions enclosure (H×W×D) 10.63 × 11.04 × 3.75 in. (270.0 × 280.3 × 95.2 mm)
Dimensions with brackets (H×W×D) 14.22 × 11.56 × 4.24 in. (361.8 × 293.5 × 107.6 mm)
Weight enclosure 25.0 lbs (11.3 kg)
Weight with brackets 26.0 lbs (11.8 kg)
Mounting Pole/Wall mounting bracket

 

   OD TMABPD7823VG12A V1.0 160712HiRes
  TMABPD7823VG12A Outline Drawing

 

Block Diagram

   TMABPD7823VG12A BD
  TMABPD7823VG12A Block Diagram

Accessories

SCU-AISG2-3 AISG 2.0 Site Controller
RET-CBK AISG Cable Kit
BT-0821-DMDF-AG-O DIN-Male RF Port, DIN-Female RF+DC+AISG Port
BT-0821-DFDM-AG-O DIN-Female RF Port, DIN-Male RF+DC+AISG Port
BT-0821-DFDF-AG-O DIN-Female RF Port, DIN-Female RF+DC+AISG Port

Parts & Accessories

TMABPD7823VG12A Triple Band Twin TMA (PCS/AWS/WCS) with 700/850 Bypass with 7/16 DIN connectors

Standards & Compliance

Safety EN 60950-1, UL 60950-1
Emission EN 55022
Immunity EN 55024
Environmental IEC 60068-2-1, IEC 60068-2-2, IEC 60068-2-5, IEC 60068-2-6, IEC-60068-2-11, IEC 60068-2-14, IEC 60068-2-18, IEC 60068-2-27, IEC 60068-2-29, IEC 60068-02-30, IEC 60068-2-52, IEC 60068-2-64, IEC61000-4-5, GR-63-CORE 4.3.1, EN 60529 IP68

Certifications

Antenna Interface Standards Group (AISG), Federal Communication Commission (FCC) Part 15 Class B, CE, CSA US, ISO 9001:2008
 
ISO9001Logo RoHS logo AISGLogo 3GPPLogo
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89 Leuning Street

South Hackensack, NJ 07606

+1 (201) 342-3338

+1 (201) 342-3339 fax