VK1OD Theme page: Receivers

• Noise
• LNA
• Field Strength Measurement
• Interference
• Other

Noise

• Noise measurement uncertainty calculator
• Headroom in white noise measurements
• Quiet sun radio flux interpolations
• Noise Figure Meter (NFM) software
• Uncertainty of the noise sampling process
• Noise and receivers
• Measuring receiver bandwidth
• Receiver sensitivity metric converter
• Ambient noise calculator
• Noise Figure Y factor method calculator
• Expected ambient noise level
• Radio noise measures
• Ambient noise survey, Hackett ACT on 40m, 06/03/2009 
• Noise Figure inferences of spectrum analysis of weak signals
• FSM case study - Broadband interference on 40m
• Accuracy of narrowband audio noise measurements with a digital multimeter
• Measuring G/T using Sun noise
• Plotting antenna pattern from Sun noise
• Measuring TS2000 Noise Figure using NFM and RFD2305
• Ambient noise survey, Bowral NSW on 40m, 13/08/2010

LNA

• Effective use of a Low Noise Amplifier on VHF/UHF
• Exploration of options for 144MHz SSB station at VK1OD
• 144MHz low noise amplifier performance in the real world
• Making sense of LNA specifications
• Effect of receiver mismatch on line loss and system noise performance

Field strength measurement

• FSM
• Accuracy of the FSM sampling process on noise
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Interference

• Broadband over Power Lines (BPL, PLC, PLT)

Other

• Easy frequency calibration check on modern transceivers
• Yaesu FT-90R Squelch Report
• Codan 7004 - WSPR 40m
• QRSS grabber @ VK1OD
• QRP QRSS Beacon Transmitter - on air
• QRSS observation utilities
• S meter calibration and scale shape
• Measuring RF power with an SSB receiver

© Copyright: Owen Duffy 1995, 2021. All rights reserved. Disclaimer.