Changes to support simplified/improved version, la...
by
Philip Odom
12 years 10 months
Changes to support simplified/improved version, layout not done:
* high current opamp used to generate VMID, low impedance
* VMID treated as ground signal internally (external signals still
connected to power supply ground).
* 4 channels
* enable/disable buttons
* 100k pull down resistors on outputs to prevent pop