OwenDuffy.net
VK1OD Theme page: Transmission lines
Concepts
Applications
Calculators
Other
Concepts
Telegrapher's Equation
VSWR and displacement
VSWR measurement
VSWR Myths
VSWR FAQ
VSWR nomographs
Figure-8 flex used as RF transmission line
PVC insulated feed line on HF
Additional loss due to VSWR
MisMatch Loss given VSWR
Comment on W6VAT article on VSWR
Is Zs of a HF ham tx typically 50+j0?
Power in a mismatched transmission line
A simple VSWR analysis without mirrors
A comment on W5DXP’s paper “An Energy Analysis at an Impedance Discontinuity in an RF Transmission Line”
ARRL transmission line loss graphs
Twelfth wave TL transformers
The effect of a short discontinuity in transmission line characteristic impedance
A graphical explanation of energy flow in a practical transmission line
Avoiding flashover in baluns and ATUs
Misunderstanding VSWR misleads
Return Loss
Modelling practical transmission lines
Does twisting a two wire open line reduce radiation
Estimating parameters of two wire transmission lines
ZL1AN's transmission line challenge
Insertion Loss vs Transmission Loss
A worked example of a Bird 43 with a grossly mismatched load
The merit of measuring VSWR on an open wire line
High frequency compensation of T/R relay
Thinking aloud on pipe cap filters
Estimating Matched Line Loss from Return Loss
Measuring the velocity factor of coaxial transmission line
The failure of lossless line analysis in the real world
Applications
RG-6/U for transmitting applications
An analysis of current flow at the end of shielded twin line at radio frequencies
A review of "The Lure of Ladder Line"
Matching a quarter wave vertical using TL elements
Optimum length of ladder line
A test of Zs on an IC7000
CCS ladder line suitability at lower HF
Does SWR damage HF ham transmitters?
Loss components in practical transmission lines at HF
Accuracy of VSWR meters at high sensitivity
300 ohm transmitting ladder line
Getting more out of your directional wattmeter
Calculators
RF Transmission Line Loss Calculator / Enhanced
RF Two Wire Transmission Line Loss Calculator
VSWR calculator
Characteristic impedance of transmission line of two square conductors in air
Other
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