Bird Technologies 8920 Series - Manual (Page 26)

16
Specifications
Frequency Range
8921-MM-3-150
8922D, 8926D, 8927D
All other models 100 - 200 MHz
470 – 860 MHz
DC – 1 GHz
Power Rating 5000 W continuous duty
Peak Power for Pulse Width *
1 µs
10 µs
100 µs
1000 µs
5000 µs
* Set the duty factor so that load’s average power rating is not exceeded.
150 kW
115 kW
80 kW
54 kW
22 kW
Mode CW, AM, FM, SSB, TV, & Pulsed Digital Systems
Impedance, Nominal
8921-MM-3-150
All other models 150 ohms
50 ohms
VSWR †
8921-MM-3-150
8922D, 8926D, 8927D
All other models
‡
† VSWR measured using a female N connector.
‡ For model 9821 VSWR Measured using a female N connector.
3:1 ± 0.5
1.065
1.10
Connectors
8921
8922, 8922D
8926, 8926D
8927, 8927D
8928 Female LC
1-5/8" EIA Flanged
3-1/8" EIA Flanged
3-1/8" EIA Unflanged
3-1/8" EIA Unflanged, Recessed Center
Interlock Thermoswitch Normally closed. Opens at 236 °C (457 °F)
Thermoswitch Rating
115 VAC
230 VAC 10 A
5 A
Ambient Temperature
8921-MM--3-150
All other models
-40 to +50 ºC (-40 to +122º F) (storage temp)
0 to + 50 º C (32 to +122 º F) (operating temp)
–40 to +45 °C (–40 to +113 °F)
Altitude **
** Derate RF power by 2.5% for every 305m (1,000 ft.) above 1,520m (5,000 ft.).
1520 m (5000 ft.)
Humidity 95% noncondensing max
Cooling Method Oil dielectric and convection currents
Dimensions 29”L x 9-1/2”W x 26-53/64”H
(737 x 241 x 681 mm)
Weight, Nominal 119 lb. (54 kg)
Finish
8921-MM-3-150
All other models Black
Grey Powder Coat