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11th International Summer School on RF MEMS and RF Microsystems

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A. Rumiantsev: Basics of mm-wave Measurements

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T. Gasseling , MW Journal, 03-2012
11th International Summer School on RF MEMS and RF Microsystems

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A. Rumiantsev: Basics of mm-wave Measurements

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SOUNDHARMFUL RADIATION

LIGHT

RADIO

VHF = VERY HIGH FREQUENCY
UHF = ULTRA HIGH FREQUENCYSHF = SUPER HIGH FREQUENCY
EHF = EXTRA HIGH FREQUENCY

2.4 GHzISM band
ISM bands
315-915 MHz

4G CELLULAR
56-100 GHzUWB
3.1-10.6 GHz

Source: JSC.MIL

11th International Summer School on RF MEMS and RF Microsystems

Company Confidential

A. Rumiantsev: Basics of mm-wave Measurements

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•••
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11th International Summer School on RF MEMS and RF Microsystems

Company Confidential

A. Rumiantsev: Basics of mm-wave Measurements

5Incident waveaReflected wave
b1

Transmitted waveb2
11th International Summer School on RF MEMS and RF Microsystems

Company Confidential

A. Rumiantsev: Basics of mm-wave Measurements

6•–Port 1

a1

Port 2|S|b1

11th International Summer School on RF MEMS and RF Microsystems

a2b2Company Confidential

A. Rumiantsev: Basics of mm-wave Measurements

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11th International Summer School on RF MEMS and RF Microsystems

Z Y HCompany Confidential

A. Rumiantsev: Basics of mm-wave Measurements

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•

a1

S11=b1/a1

S21=b2/a1

b1b2

•

b1

S22=b2/a2
11th International Summer School on RF MEMS and RF Microsystems

S12=b1/a2
Company Confidential

a2
A. Rumiantsev: Basics of mm-wave Measurements

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a1b1

11th International Summer School on RF MEMS and RF Microsystems

b2 a2Company Confidential

A. Rumiantsev: Basics of mm-wave Measurements

10•––HBT200
Phase(S21) (Degree)

Mag(S21) (dB)

20151050020406080
Frequency (GHz)11th International Summer School on RF MEMS and RF Microsystems

HBT1001201000-100-200020406080100120

Frequency (GHz)
Company Confidential

A. Rumiantsev: Basics of mm-wave Measurements

1190

Magnitude
0180

Phase

-90

11th International Summer School on RF MEMS and RF Microsystems

Company Confidential

A. Rumiantsev: Basics of mm-wave Measurements

121.090Mag Max10180

Mag(b/a) < 1

11th International Summer School on RF MEMS and RF Microsystems-900.25
Per DivCompany Confidential

A. Rumiantsev: Basics of mm-wave Measurements

13900180

Mag(b1/a1) = 0-90

11th International Summer School on RF MEMS and RF Microsystems

Company Confidential

A. Rumiantsev: Basics of mm-wave Measurements

14900180

Mag(b1/a1) = 1
Phase(b1/a1) = 180°-90

11th International Summer School on RF MEMS and RF Microsystems

Company Confidential

A. Rumiantsev: Basics of mm-wave Measurements

15900180

Mag(b1/a1) = 1
Phase(b1/a1) = 0°-90

11th International Summer School on RF MEMS and RF Microsystems

Company Confidential

A. Rumiantsev: Basics of mm-wave Measurements

16900180S11(f1)-90

11th International Summer School on RF MEMS and RF Microsystems

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A. Rumiantsev: Basics of mm-wave Measurements

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900180-90

11th International Summer School on RF MEMS and RF Microsystems

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S11(f1)

S11(f5)
A. Rumiantsev: Basics of mm-wave Measurements18

90+jXo

1.0.8.60+R+ 180 o-.4o.200-jX-90 oConstant X
Constant R

Z L = Zo

G= 0Z L = 0 (short)

G= 1±180

ZL =(open)

G =1 0O

Picture source: D. Ballo Keysight

11th International Summer School on RF MEMS and RF Microsystems

Company Confidential

A. Rumiantsev: Basics of mm-wave Measurements

1990Magnitude
Phase0180-90

11th International Summer School on RF MEMS and RF Microsystems

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A. Rumiantsev: Basics of mm-wave Measurements

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1.0

10.0

4.0
5.0

3.0

2.0

1.0

0.8

0.6

0.4

0.2

0

Imag(ZDUT)-1.0

Real(ZDUT)
11th International Summer School on RF MEMS and RF Microsystems

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A. Rumiantsev: Basics of mm-wave Measurements21

Z0 (AIR)

Z0 (WATER)
11th International Summer School on RF MEMS and RF Microsystems

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Z0 (AIR)

Z0 (WATER)
11th International Summer School on RF MEMS and RF Microsystems

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Z0 (AIR)
Incident wave
aReflected wave
b1 Æ 0Transmitted wave
Z0 (WATER)b2

11th International Summer School on RF MEMS and RF Microsystems

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A. Rumiantsev: Basics of mm-wave Measurements24b1 Æ 0ZDUT = ZREF

Sii Æ 0

ZREF= 50 Ω
11th International Summer School on RF MEMS and RF Microsystems

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A. Rumiantsev: Basics of mm-wave Measurements

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impedance••Z0

Picture source: D. Ballo Keysight

11th International Summer School on RF MEMS and RF Microsystems

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A. Rumiantsev: Basics of mm-wave Measurements

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11th International Summer School on RF MEMS and RF Microsystems

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11th International Summer School on RF MEMS and RF Microsystems

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11th International Summer School on RF MEMS and RF Microsystems

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••
•
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11th International Summer School on RF MEMS and RF Microsystems

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a1

b1

11th International Summer School on RF MEMS and RF Microsystems

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•
•
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11th International Summer School on RF MEMS and RF Microsystems

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11th International Summer School on RF MEMS and RF Microsystems

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Williams, IMS-201411th International Summer School on RF MEMS and RF Microsystems

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A. Rumiantsev: Basics of mm-wave Measurements35•••••

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A. Rumiantsev: Basics of mm-wave Measurements

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Incident

Transmitted

DUT
SOURCE

Reflected

SIGNALSEPARATIONINCIDENT(R)REFLECTED(A)TRANSMITTED(B)

RECEIVER / DETECTORPROCESSOR / DISPLAY

Picture source: D. Ballo Keysight

11th International Summer School on RF MEMS and RF Microsystems

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A. Rumiantsev: Basics of mm-wave Measurements

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RFDC

Picture source: D. Ballo Keysight

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A. Rumiantsev: Basics of mm-wave Measurements

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•
•
Picture source: D. Ballo Keysight

11th International Summer School on RF MEMS and RF Microsystems

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11th International Summer School on RF MEMS and RF Microsystems

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•
–––

•
•

11th International Summer School on RF MEMS and RF Microsystems

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A. Rumiantsev: Basics of mm-wave Measurements

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Picture source: D. Ballo Keysight11th International Summer School on RF MEMS and RF Microsystems

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A. Rumiantsev: Basics of mm-wave Measurements

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ADC / DSPS

ADC / DSP

Harmonicgenerator

ffrequency "comb"••
Picture source: D. Ballo Keysight

11th International Summer School on RF MEMS and RF Microsystems

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A. Rumiantsev: Basics of mm-wave Measurements

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Source

SourceTransfer switch
Transfer switch

R1

RA

A

B

B

R2
Port 1•

Port 2

Port 1

Port 2•––––
Picture source: D. Ballo Keysight

11th International Summer School on RF MEMS and RF Microsystems

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A. Rumiantsev: Basics of mm-wave Measurements

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•

11th International Summer School on RF MEMS and RF Microsystems

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11th International Summer School on RF MEMS and RF Microsystems

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•
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•
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11th International Summer School on RF MEMS and RF Microsystems

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11th International Summer School on RF MEMS and RF Microsystems

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11th International Summer School on RF MEMS and RF Microsystems

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11th International Summer School on RF MEMS and RF Microsystems

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11th International Summer School on RF MEMS and RF Microsystems

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11th International Summer School on RF MEMS and RF Microsystems

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11th International Summer School on RF MEMS and RF Microsystems

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11N

Compatibility

SMA

18

SMA+263.5

26.5K40

Q50V67A

110020NSMA

11th International Summer School on RF MEMS and RF Microsystems

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SMA+603.5K (2.92)

Company Confidential80

Q (2.4)100

V (1.85)

A. Rumiantsev: Basics of mm-wave Measurements

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A (1.00)54

11th International Summer School on RF MEMS and RF Microsystems

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11th International Summer School on RF MEMS and RF Microsystems

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11th International Summer School on RF MEMS and RF Microsystems

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11th International Summer School on RF MEMS and RF Microsystems

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11th International Summer School on RF MEMS and RF Microsystems

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••11th International Summer School on RF MEMS and RF Microsystems

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Picture source: Keysight

11th International Summer School on RF MEMS and RF Microsystems

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11th International Summer School on RF MEMS and RF Microsystems

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11th International Summer School on RF MEMS and RF Microsystems

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11th International Summer School on RF MEMS and RF Microsystems

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11th International Summer School on RF MEMS and RF Microsystems

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110

220

11th International Summer School on RF MEMS and RF Microsystems

325

500
Company Confidential

1100
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Source: DMPI

Source: OML•••
11th International Summer School on RF MEMS and RF Microsystems

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11th International Summer School on RF MEMS and RF Microsystems

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11th International Summer School on RF MEMS and RF Microsystems

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READY FOR “THE TEST”
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