Electronic Circuits and Tutorials
Electronics Schematics - L
Ladder Network Circuits
DAC and op amp provide variable-control voltage: 12/06/01 EDN-Design Ideas / Early DACs contained standard R-2R ladder networks, and produced a negative output voltage. These early DACs, such as the MAX7837/7847 and the MAX523, require both positive and negative supply rails to accommodate their negative output.
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