[WG Phase Shifter]{.underline}

Main ideas:

1.  Better cooling

2.  Minimal fringe fields

3.  Low inductance

![](media/image1.jpeg){width="5.59375in" height="5.010416666666667in"}

Copper side walls with water cooling

Copper plated stainless steel top and bottom

Water cooled windings for the first model-- can be optimized later by
adding permanent magnets.

[Yoke Material - Ni-Zn Ferrite (NM Inc) CMD-10]{.underline}

![](media/image2.jpeg){width="5.352777777777778in"
height="3.1770833333333335in"}

![](media/image3.jpeg){width="2.0208333333333335in"
height="1.4270833333333333in"}

Amount of material: L = 20 cm, t = 20 mm, p = 100 cm

V = 4000 cm^3^ = 250 in^3^

W = 5 g/cm^3^ \* 4000 cm^3^ = 20,000 g = 20 kg = 40 lbs

\$\$ = \$2.00 1/in^3^ \* 250 in^3^ = \$500.00

![](media/image4.jpeg){width="5.927083333333333in" height="3.84375in"}

![](media/image5.jpeg){width="1.6458333333333333in" height="3.21875in"}

Amount of material L = 150 mm, t = 20 mm, h = 40 mm

V = 120 cm^3^ x 2 = 240 cm^3^ = 15 in^3^

P = 240 cm^3^ x 5 g/cm^3^ = 1200 g = 1.2 kg = 2.5 lbs

\$\$ = ??????

![](media/image6.jpeg){width="5.997916666666667in"
height="2.553472222222222in"}

![](media/image7.jpeg){width="5.248611111111111in"
height="3.216666666666667in"}

![](media/image8.jpeg){width="4.622222222222222in"
height="2.6166666666666667in"}

**[Main design parameters]{.underline}**

Current I = 2400/8 = 300 A

Current density j = 300A / 50 mm^2^ = 6 A/mm^2^

Coil resistance -- R = 1.2 mOhm

Power dissipated in one coil -- P = 110 W

Power for one PhSh -- 440 W

Voltage for one PhSh -- 1.5 V (all coils in series)

Inductance of a PhSh -- 0.4 mH

Power for an IQ modulator -- 900 W

Directions to go.

1.  Postulate frequency Now

2.  Choose waveguide height 1 week

3.  Design phase shifter including ferrite cooling, waveguide matching
    and magnetic circuit optimization 3 weeks

4.  YIG procurement ???

5.  Yoke material procurement ???

6.  Waveguide fabrication 6 weeks

7.  Find an appropriate power supply

8.  Assemble and tune PhSh 8 weeks

9.  High power test. 10 weeks

Totally 1 quarter

Region 1: shape code POLY, coordinates in MM

X Y CURV N BIAS F V DV

Side 1: corner 1 (105.0 ,0.0 ) to 2 (105.0 ,19.0 )

Side 2: corner 2 (105.0 ,19.0 ) to 3 (123.999 ,19.0 )

Side 3: corner 3 (123.999 ,19.0 ) to 4 (123.999 ,0.0 )

Side 4: corner 4 (123.999 ,0.0 ) to 1 (105.0 ,0.0 )

Region 2: shape code POLY, coordinates in MM

X Y CURV N BIAS F V DV

Side 1: corner 1 (0.0 ,40.0 ) to 2 (61.0 ,40.0 )

Side 2: corner 2 (61.0 ,40.0 ) to 3 (96.0 ,40.0 )

Side 3: corner 3 (96.0 ,40.0 ) to 4 (96.0 ,22.0 )

Side 4: corner 4 (96.0 ,22.0 ) to 5 (105.0 ,22.0 )

Side 5: corner 5 (105.0 ,22.0 ) to 6 (132.0 ,22.0 )

Side 6: corner 6 (132.0 ,22.0 ) to 7 (132.0 ,40.0 )

Side 7: corner 7 (132.0 ,40.0 ) to 8 (167.0 ,40.0 )

Side 8: corner 8 (167.0 ,40.0 ) to 9 (167.0 ,22.0 )

Side 9: corner 9 (167.0 ,22.0 ) to 10 (167.0 ,0.0 )

Side 10: corner 10 (167.0 ,0.0 ) to 11 (187.0 ,0.0 )

Side 11: corner 11 (187.0 ,0.0 ) to 12 (187.0 ,60.0 )

Side 12: corner 12 (187.0 ,60.0 ) to 13 (0.0 ,60.0 )

Side 13: corner 13 (0.0 ,60.0 ) to 1 (0.0 ,40.0 )

Region 3: shape code POLY, coordinates in MM

X Y CURV N BIAS F V DV

Side 1: corner 1 (61.0 ,40.0 ) to 2 (96.0 ,40.0 )

Side 2: corner 2 (96.0 ,40.0 ) to 3 (96.0 ,22.0 )

Side 3: corner 3 (96.0 ,22.0 ) to 4 (61.0 ,22.0 )

Side 4: corner 4 (61.0 ,22.0 ) to 1 (61.0 ,40.0 )

Region 4: shape code POLY, coordinates in MM

X Y CURV N BIAS F V DV

Side 1: corner 1 (167.0 ,40.0 ) to 2 (132.0 ,40.0 )

Side 2: corner 2 (132.0 ,40.0 ) to 3 (132.0 ,22.0 )

Side 3: corner 3 (132.0 ,22.0 ) to 4 (167.0 ,22.0 )

Side 4: corner 4 (167.0 ,22.0 ) to 1 (167.0 ,40.0 )

Region 3: MATE = 1 , PERM = 1.0 , DENS = -4.0

SIGM = 0.0 , PHAS = 0.0 , VELO = 0.0

N = 0 , SYMM = 0

Area of region = 630.0

Total current = -2520.0

Region 4: MATE = 1 , PERM = 1.0 , DENS = 4.0

SIGM = 0.0 , PHAS = 0.0 , VELO = 0.0

N = 0 , SYMM = 0

Area of region = 630.0

Total current = 2520.0

![](media/image9.wmf){width="7.138194444444444in"
height="5.842361111111111in"}

![](media/image10.png){width="3.2015748031496063in"
height="3.0in"}![](media/image11.png){width="3.1409448818897636in"
height="3.255511811023622in"}![](media/image12.png){width="0.9118110236220472in"
height="4.118110236220472in"}

![](media/image13.png){width="7.165354330708661in"
height="4.42007874015748in"}