ELT-47226 Basic RF MeasurementsTiiti Kellomäki 2013

This material is licensed under a creative commons licence. Use for non-commercial and educational purposes is allowed.

1

A Brief History of RF Measurements

Timeline

hp

synthetised generator hp

hp FM TX 100 MHz

MIT Radiation Laboratory

RF-lab 8722D

RF-lab 8752A

HF radars

R&S FM TX 100 MHz

2-generator VNA, computer controlled this-and-that, X-parameters, one-click so’n’so…

1930 1940 1950 1960 1970 1980 1990 2000

1 GHz passed

Rohde& Schwarz

spectrum analyser

hp radar jammer

transistor

microwave meas. instruments hp

hp 12 GHz VNAmicroproc. controlled VNA hp8510

RF lab 8595E

RF lab 4077B

reflectometer

Power Meters

Picture from hparchive.com, hp catalog 1970, used with permission

Radiometer: GFDL licence, photo by Nieuw

Precision attenuator

hp 832A, 0–50 dB,

Picture from hparchive.com, hp catalog 1962, used with permission

±0,1 dB or ±2 %

Slotted Waveguide for SWR

Alford 3300

Picture from microwaves101.com, used with permission

Spectrum Analyser

to examine radar pulses, second world

Photo: OH1XS, used with permission

war

ELT-47226 Basic RF MeasurementsTiiti Kellomäki 2013

This material is licensed under a creative commons licence. Use for non-commercial and educational purposes is allowed.

2

Signal generator

HP 670, sweeping

Picture from hparchive.com, hp catalog 1957, used with permission

p g2,6…10 KMC generator

hp 606B from OH3TR

Generators from OH3TRReflectometer and Network Analyser

mainframephase-gain indicator

polar display

oscshort

DUT

ratio meter

Picture from hparcive.com, hp catalog 1962, used with permission

416A

Picture from hparchive.com, hp catalog 1968, used with permission

hp 8410 110 MHz –12,4 GHz

harmonic frequency converter

Network Analyser

Picture from microwaves101.com, used with permission

Marker requires Digital Display

Picture from hparchive.com, hp catalog 1979, used with permission

hp 3585 from end of 70s, familiar?

ELT-47226 Basic RF MeasurementsTiiti Kellomäki 2013

This material is licensed under a creative commons licence. Use for non-commercial and educational purposes is allowed.

3

Bird Power meter Good Ol’ Books

• P Vanhat lainakirjat 621.37/38• Stephen F. Adam (hp): Microwave

Theory and Applications. PrenticeHall 1969.

• Algie L. Lance: Introduction to gMicrowave Theory and Measurements. McGraw-Hill 1964.

• Carol G. Montgomery: Technique of Microwave Measurements (MIT Radiation Laboratory Series).

McGraw-Hill 1947.

• http://www.hparchive.com• http://www.microwaves101.com