Model XC1900A-03
Rev D
Variable Phase Shifter Circuit Utilizing a 3dB Coupler
Γ × 0.707V ∠θ
4
0.707V ∠θ (-3dB)
Input
1
Vdc
Varactor Diodes
Output
2
* | Γ (0.5V ∠ 2 θ -90 + 0.5V ∠ 2 θ -90)| =| Γ |
3
0.707V ∠θ -90 (-3dB)
Γ × 0.707V ∠θ -90
* The phase angle of the signal exiting port 2 will vary with the phase angle of Γ , which is the reflection
angle from the varactor. The varactors must be matched so that their reflection coefficients are equal.
Available on Tape
and Reel for Pick and
Place Manufacturing.
USA/Canada:
Toll Free:
Europe :
(315) 432-8909
(800) 411-6596
+44 2392-232392
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