Need help on phase shifter

Thread Starter

harshaz

Joined Jul 25, 2013
1
Hi, I'm a beginner. both here and designing.

I'm working on a switched beam antenna that operates at 2.6 GHz. I need a phase shifter to change the phase of the output beams. I read a lot about phase shifter but seriusly, I don't know how to design or where to start :confused:

The phase shifter has one input and two output. The desired two output is the combination of these:
0 and 0
0 and 90°
0 and -90°
0 and -180°

I was asked to refered to this circuit

but this is a variable phase shifter.

can anybody help me how to design or point me where to start?
 
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