User's Manual

044-xxxxx Rev. x 1-2
Table 1-1. NTGY81AC Multichannel Power Amplifier Functional Specifications
Frequency Range 1930-1990 MHz (60 MHz Bandwidth)
Maximum Average Input Power 13 dBm
Continuous Average Output Power 50 Watts
Spurious Emissions @ Maximum
Rated Output Power
(50 W / 47 dBm)
Frequency Offset Requirement Meas. Bandwidth
Max. Min.
0.885-1.25 MHz -47 dBc 30 kHz
1.25-1.98 MHz -16.5 dBm 37.5 kHz
1.98-2.25 MHz -58 dBc 30 kHz
>2.25 MHz -15 dBm 1 MHz
RF Gain 47 ±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.
Out of Band Spurious: Less than -15 dBm / 1 MHz
DC Input Power:
+26 ± 0.5 Vdc, 260 mV p-p max. ripple, ≤500 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