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Coaxial Devices
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Motorized Phase Shifters



Model 4428D-28

 General Specifications
Frequency Range DC-4 GHz
Phase Adjustment See below
VSWR (max) 1.3 to 2 GHz
1.5 to 4 GHz
Ins Loss (max) 0.5 dB to 2 GHz
0.75 dB to 4 GHz
RF Power 100 Watts average
5 kW peak
Connectors* SMA Female
DC Voltage 28 Volts
Variable Speed 2.5 minutes max
4.0 minutes min
Material:
Body
Connectors
 Aluminum
Stainless Steel
Mounting Provisions 4 tapped holes
Finish ARRA Blue per
MIL-C-22750

 

 

* To specify Type N Female connectors, precede model number with N.
Ex: N4428C-28

Freq
Range (GHz)		 Min Phase
Adjustment		 Ins Delay
(Approx) nsec

 Dim - Inches

 Model
No. *
A B
DC-4 225°/GHz
360° min at 1.6 GHz		 2.0 nsec 15 14 4428D-28
DC-4 180°/GHz
360° min at 2.0 GHz		 1.7 nsec 12 11 4428C-28
 


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