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AC & 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 MAX7837/7847 and MAX523, require both
positive and negative supply rails to accommodate ir negative output. With
transition to single-supply ICs, however, many modern DACs operate with a single
supply rail and an inverted R-2R ladder network....[Design Idea added 4/08] EDN
migrating links. This link is not verified. Search the "title" + "EDN" for new link.
Amplifier Requires No DC Bias - 03/16/00 EDN-Design Ideas
Intrinsically capacitive transducers and or high-impedance signal sources usually
require ac coupling and a buffer amplifier to condition signal for furr
processing. Buffers take many forms, but most of m compromise signal quality
through.... [Design Idea by ohn Guy, Maxim Integrated Products, Sunnyvale, CA]
