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Table 1-1. G3L-800-25-001 Multichannel Power Amplifier Functional Specifications
Frequency Range
869-894 MHz (25 MHz Bandwidth)
Maximum Average Input Power
-13 dBm
Continuous Average Output Power
25 Watts
Spurious Emissions
-60 dBc maximum (820 MHz – 900 MHz)
-50 dBc maximum (all other frequencies)
RF Gain
57
±
0.5 dB
Gain Flatness:
±
0.5 dB (869 MHz – 894 MHz)
Gain Variation
(Temperature and Voltage)
±
0.7dB (From 25 ºC, across specified temperature range.)
±
0.7dB (From 27 V, across specified voltage range.)
Output Protection:
Mismatch Protected
Input Port Return Loss:
-12 dB at any given power level
Operating Temperature:
0 ºC. to +50 ºC. (room ambient)
Storage Temperature:
-40 ºC. to +65 ºC. (room ambient)
Operating Humidity:
5% - 95% Relative Humidity (noncondensing) not to exceed
0.024 grams of water per gram of dry air.
Storage Humidity:
5% - 95% Relative Humidity (noncondensing)
DC Input, Alarm, and Control
Connector:
21WA4 (male, D-sub)
RF Input Connector:
21WA4 (male, D-sub)
RF Output Connector:
21WA4 (male, D-sub)
Phase
180
±
5 degrees (measured at 880 MHz, 25 ºC, any power level)
Phase Tracking
±
10 degrees (from 25 ºC, across specified temperature range)
IMD
-60 dBc (8 carriers, continuous phase random, equal carrier
spacing of 1.25 MHz. Any power up to maximum average output
power.)
Output Return Loss
-18 dB (at any power level)
Harmonic Output
-45 dBc (at any number of carriers, any power level.)
Communications
RS-485 interface for control and status
Status Indicators:
POWER ON:
MINOR:
MAJOR:
Green LED
= Power applied
Yellow LED = Minor alarm (loop failure)
Red LED
= Major alarm (module failure and shut down)
Internally Generated Alarms
Over temp., DC over voltage, Overpower, VSWR, Loop fail.
Externally Generated Alarms
Fan failure:
Open collector pulled low = amp functioning
Open collector floating high = amp failure
Hot Swap Capable
Unit is capable of being replaced without shutting down power.
DC Input Power:
+27
±
0.1 Vdc, 260 mV p-p max. ripple,
≤
350 watts
Power Supply Current
15 amps max. (at max. RF power out)
Overload Protection
20 A (circuit breaker / on-off switch)
Dimensions (inches):
Height: 13.82; width: 2.64; depth: 15.57