Powerwave Technologies 5JS0047 Tornado, Model NTGY71AA User Manual 1
Powerwave Technologies Inc Tornado, Model NTGY71AA 1
sect 1
044-05080 Rev. A 1-1
GENERAL DESCRIPTION
1-1. INTRODUCTION
This manual contains information and procedures for installation, operation, and maintenance of
Powerwave’s model NTGY71AA multichannel power amplifier (MCPA). The manual is organized
into six sections as follows:
Section 1. General Description
Section 2. Installation
Section 3. Operating Instructions
Section 4. Principles of Operation
Section 5. Maintenance
Section 6: Troubleshooting
1-2. GENERAL DESCRIPTION
The NTGY71AA is a linear, multichannel power amplifier that operates in the 25 MHz frequency
band from 869 MHz to 894 MHz. It is designed to be mounted in an enclosure with EMI
containment. Its flat base plate allows for mounting on a flat thermal-absorbing surface to provide
adequate heat dissipation.
Each amplifier module has a power, alarm, and control connector that allows the host system to
monitor the amplifier module performance. Primary power for the amplifier is +26 Vdc.
1-3. FUNCTIONAL AND PHYSICAL SPECIFICATIONS
Functional and physical specifications for the amplifier are listed in table 1-1.
Section
1
044-05080 Rev. A 1-2
Table 1-1. NTGY71AA Multichannel Power Amplifier Functional Specifications
Frequency Range 869-894 MHz (25 MHz Bandwidth)
Maximum Average Input Power 13 dBm
Continuous Average Output Power 70 Watts
Spurious Emissions @ Maximum
Rated Output Power
(70 W / 48.5 dBm)
Frequency Offset Requirement Meas. Bandwidth
(Max.)
0.750-1.5 MHz -46 dBc 30 kHz
1.5-1.98 MHz -61dBc 30 kHz
1.98-3.125 MHz -61 dBc 30 kHz
>3.125 MHz -14 dBm 100 kHz
>3.13 MHz -20 dBm 30 kHz
Out of Band Spurious: Frequency Requirement Meas. Bandwidth
(Max.)
824 - 849 MHz -50dBm 30 kHz
Second Harmonic(s) -20dBm 100 kHz
Outside 800 MHz -14dBm 100 kHz
RF Gain 50 ±2 dB
Gain Flatness: ± 0.2 dB for any 1.25-MHz band within frequency range.
Output Protection: Mismatch Protected
Input Port Return Loss: VSWR 2:1 Max.
DC Input Power: +26 ± 0.5 Vdc, 260 mV p-p max. ripple, ≤609 watts
Operating Temperature: -15 ºC. to +85 ºC. (heatsink temperature)
Storage Temperature: -40 ºC. to +85 ºC.
Operating Humidity: 5 % - 95 % Relative Humidity (Noncondensing)
Storage Humidity: 5 % - 95 % Relative Humidity (Noncondensing)
Interface Connectors:
RF Input --------------------------------------
RF Output------------------------------------
+26 Vdc Power and Ground-----------
Alarms and Sensing ---------------------
Differential IIC Clock, Rcv., Xmit.----
IIC, Power, Alarms, Controls----------
IIC, RS485, Power, Other Signals --
SMA Female
SMA Female
3W3 D-Sub (Connector P1)
14-Position Micro-Fit 3.0 (Connector P2)
6-Position Micro-Fit 3.0 (Connector P3)
26-Position High Density D-Sub (Connector P4)
18-Position Micro-Fit 3.0 (Connector P5)
Dimensions (inches): 11.00 x 14.50; height: 1.70
044-05080 Rev. A 1-3
044-05080 Rev. A 1-4
044-05080 Rev. A 1-5