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Six more, and an announcement
What’s your least favorite electronic component? If it’s resistors, you’re in luck. Author Martian Stofka follows up his earlier contribution, Gain-of-three amplifier requires no external resistors, with a variant-- this Gain-of-two inst... (more) Details... more...
Soft starts, opened doors, and Einstein on radio
Kicking, er, nudging off our trio of Design Ideas for this fortnight, our first Design Idea shows how a "Simple circuit allows long PWM soft starts." Members of the UC384x family of current-mode, PWM controllers favored by power-supply designers include a compensation-input pin that also offers a handy "hook" for adding a slow-startup capability to your design. Why bother? ... (more) Details... more...
Mixed signal circuits put you in control
This week's batch of Design Ideas contains several mixed-signal ideas. First up, Ahmad Ayar, of Maxim Integrated Products in Sunnyvale, CA presents "Linear-brightness controller for LEDs has 64 taps." Applications that include LEDs but no microcontroller (or other form of control intelligence) can benefit from a simple circuit that provides manual c... (more) Details... more...