Color graphs for Jack Walton's regulator article in Vol 4

Linear Audio Volume 4 has a long-awaited article by Jack Walton, comparing a large number of low power supply regulators. Comparison includes measurements and controlled listening tests by the New Jersey Audio Club.

The article has a several rather busy graphs with curves in various shades of grey. The readability could be better, so I regenerated those graphs in color and posted them here on-line.

Fig 5, positive regulators Line Rejection

Fig 6, negative regulators Line Rejection

Fig 7, positive regulators Output Noise

Fig 8, positive regulators Output Impedance

Fig 9, negative regulator Output Impedance