Operating Instructions

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