Posts tagged circuit-design

Here is the bootstrapping technique for opamps, as exposed in the Art of Electronics:. This technique is supposed to increase considerably the input impedance of the opamp for an AC input source (...

2 answers  ·  posted 3y ago by coquelicot‭  ·  edited 9mo ago by Lorenzo Donati‭

posted 3y ago by Michaël Bensimhoun‭  ·  edited 9mo ago by Lorenzo Donati‭

I have recently finished designing a buck-boost converter for a job that uses a split (+/-) input power supply. Load power is taken equally from both positive and negative input supplies and, the ...

1 answer  ·  posted 1y ago by Andy aka‭  ·  edited 9mo ago by Lorenzo Donati‭

posted 3y ago by Circuit fantasist‭  ·  edited 9mo ago by Lorenzo Donati‭

More about the circuit The circuit is sensing (low side sensing for many reasons) current used to power up the lights with 28V(part of the schematics not shown here -> relay with LC filter ...

3 answers  ·  posted 3y ago by 2kind‭  ·  edited 9mo ago by Lorenzo Donati‭

Which are the parameters I should looking for when picking a flyback diode to be placed across a generic coil, such as a relay? That is: a coil with plain on/off functionality, for example a 24VDC ...

2 answers  ·  posted 3y ago by Lundin‭  ·  edited 9mo ago by Lorenzo Donati‭

What is your best suggestion for building a follower that would ideally satisfy the following spec: frequency: from 100 Hz (or lower) to 1 GHz input signal impedance: 1 Mohm input signal ampli...

1 answer  ·  posted 3y ago by coquelicot‭  ·  edited 9mo ago by Lorenzo Donati‭