This repo contains information to go along with the "SparkFun Live: Analog Audio with Byron, Pete, and Marshall" event
Check the video out here. You can download LTSpice here.
- an-346.pdf - Original application note covering the preamp filter design
- riaa_test_freq_levels.jpg - Excerpt from the app note showing just the test frequencies and expected gains
- an-346-noninvert_notated.jpg - Notated schematic showing circuit being constructed
- Simple LP.asc - LTspice sim of a simple low-pass, single pole filter
- an-346-noninvert.asc - LTspice sim of the circuit being constructed
- an-346-noninvert_notated.asc - sim with notes