Tower top amplifier system – Bird Technologies 429-83H-01 Series-Datasheet User Manual

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Tower Top Amplifier System

429-83H-01-T, 429-83H-01-M

30303 Aurora Rd.

Solon, OH 44139

866.695.4569

www.bird-technologies.com

SYSTEMS SPECIFICATIONS

13 dB net gain and maximum 6 dB transmission line loss assumed

Bandwidth 792 – 824 MHz

System Noise Figure 2.9 dB Typ, 3.5dB Max

3rd Order IIP > 15 dBm

TTA Net Gain Fully settable by electronic attenuator

Filter Rejection 110 dB min, 120 dB nominal at 776 and 851 MHz

Net Weight 30.5 lbs for TTA + MCU

Ship Weight 42 lbs

TOWER TOP AMPLIFIER SPECIFICATIONS

All numbers are Typical unless stated otherwise

Frequency Range 792 – 824 MHz

Net Gain 23 dB

Noise Figure (Typ./Max) 2.7 dB / 3.0 dB

Backup Amplifier Switching Solid State RF Switch

Integrated Test Port Isolation 45 dB (Typ.)

Preselector Type

Loss

Rejection

7-pole TEM bandpass with cross-coupling
< 0.8 dB
> 60 dB @ 776 and 851MHz

LNA Type

Gain

Noise Figure

3rd Order Input IP:

2-stage Quadrature integrated into filter
26 dB
1.2 dB
+18 dBm

Impedance: 50 ohms

Antenna Port VSWR 2 :1

Power Requirements 12 VDC @ 1.25 A
Lightning Protection Impulse suppressor on all external connectors

Operating Temp Range -30°C to +60°C

Enclosure Modified NEMA 4X:

Stainless Steel Weather Resistant

Connectors N-Female

Dimensions (HWD) not including

mounting tabs or connectors

18” x 6” x 6” (457 x 152 x 152 mm)

Net Weight 20 lbs (9.1 kg)

MODEL NUMBERS

DESCRIPTION

89-83F-02-03

792-806 MHz, 3 MHz Bandwidth Preselector

89-83F-02-06

792-806 MHz, 6 MHz Bandwidth Preselector

89-83F-02-09

792-806 MHz, 9 MHz Bandwidth Preselector

89-83F-02-14

792-806 MHz, 14 MHz Bandwidth Preselector

89-86A-02-03

806-824 MHz, 3 MHz Bandwidth Preselector

89-86A-02-05

806-824 MHz, 5 MHz Bandwidth Preselector

89-86A-02-10

806-824 MHz, 10 MHz Bandwidth Preselector

89-86A-02-15

806-824 MHz, 15 MHz Bandwidth Preselector

Optional Filters:

Optional filters are available to provide a narrower window ahead of the
receiver multicoupler in order to achieve better selectivity for the system.

Please specify sub-band frequency when ordering

BASE UNIT SPECIFICATIONS MULTICOUPLER UNIT (MCU)

Frequency Range 792 – 824 MHz

Multicoupler Net Gain +1 dB typ; 0 dB min

Distribution Amp Type

Gain

Noise Figure

1dB Compression Point

3rd Order Output IP

Quadrature-Coupled Dual Stage
23 dB
4 dB
+27 dBm
+46 dBm

Number of outputs / Split Loss 16 or 32 / 18 dB

Impedence 50 ohms

VSWR < 2:1

Connectors: To TTA

To BTS

Test Port Input

N - female
BNC-female
BNC - female

Net Gain Electronic Attenuator 0-15.5 dB in 0.5 dB steps

Distribution Amp Electronic Attenuator 0~3 dB in 0.5 dB steps

Alarm and Warning Contacts Two Form C Contacts

(Nominal 2A @ 30 VDC or 0.5A @ 125 VAC)

I/O Ethernet

Power Requirements 90-240 VAC 50/60 Hz

180 mA @ 120 V or -48 VDC
(current draw is for base deck only, not
including the power needed to run
the tower top box).

Operating Temperature Range:

at non-condensing humidity

0°C to +50°C

Enclosure Standard EIA 19” Rack Mounting

Dimensions (HWD) 1 RU x 19” x 14” (38 x 483 x 356 mm)

Net Weight 10.5 lbs (4.8 kg)

FREQUENCY (MHz)

A

T

TENU

A

TION

(

d

B

)

A steep skirted TEM bandpass filter in the tower box augmented by a ceramic filter in the base

unit provide a selective 32 MHz system window.

MODEL NUMBERS

DESCRIPTION

POWER REQUIREMENTS

429-83H-01-T

TTA, 792-824 MHz, Tower Top Box only

429-83H-01-M

Receiver Multicoupler for TTA, 16-Port, 792-824 MHz

AC

429-83H-01-M-48

Receiver Multicoupler for TTA, 16-Port, 792-824 MHz

DC

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