**WEAK SIGNAL RADIO - PAPERS, CALCULATORS AND APPLICATION NOTES**

*Select gallery images above for higher resolution and descriptive captions*

Mini-Circuits cascaded noise figure calculator

Pasternack cascaded noise figure calculator

System noise temperature and G/T calculator

SATCOM system noise temperature and G/T calculator

Custom MMIC cascade analysis calculator

Analog Devices RF impedance matching calculator

NoiseFigureMeter (NFM) Owen Duffy VK1OD

VK1OD calculators & software

WJ Tech Note RX Dynamic Range Part 1

WJ Tech Note RX Dynamic Range Part 2

Noise Measurement and Generation Paul Wade

K2RIW on noise figure (Reproduced by kind permission of Dick Knadle)

**VHF antenna noise temperature YU1AW**

CCL LNA gain setting tables

Data sheets

Uncertainty in the noise sampling process VK1OD

Agilent Preamplifiers and System Noise Figure AN

R & S AN on Y factor NF measurement

Keysight NF measurement uncertainty on-line calculator

Keysight NF measurement uncertainty spreadsheet

AN57 HP noise figure primer 1965

AN57-1 HP fundamentals of NF measurement 1983

AN57-1 HP fundamentals of NF measurements 2006

AN1303 HP spectrum analysers and noise measurements

AN150 Agilent spectrum analyser basics 2014

AN150-9 spectrum analysis ... noise figure measurement 1976

AN201 HP accuracy of noise figure measurement systems 1988

AN57-2 HP noise figure measurement accuracy

PN 85719A-1 Agilent Maximising accuracy in NF measurements

Anritsu noise figure corrections

Maxim AN2875 Y figure noise figure method

Orbit antenna measurement theory

ARRL Test Procedures Manual 2011