From the desk of Paul McGowan

Paul's Posts

Notes on music, gear, and the long pursuit of better sound. New most mornings.

Paul's Posts

More from Paul

  1. It's fundamentalI'll get back to analog output stages soon enough but I got waylaid on our Community Forums area by an article posted by one of our...
  2. Why it mattersWe've been focusing on the designer's choices when building a DAC or a preamp and one of my readers asked a great question: if even a...
  3. Output impedanceI was set to move onward in our explanation of the output analog stage of a DAC or preamp but one of my readers asked me...
  4. Stepping outPerhaps the most expensive option a designer has to control the gain is called a stepped attenuator. These devices can range from the reasonably simple to...
  5. Gilbert's cellIn yesterday's postwe covered how a potentiometer, or pot, worked - the standard volume control found on most preamplifiers and a few DACS with analog inputs...
  6. Buffy the volume slayerNumber 5 on our list of 9 important items to take into consideration when designing a DAC output stage or, for that matter, a preamp output...
  7. No DC hereNumber 4 on our list of 9 areas to pay attention to is making sure there's no DC on the output of the DAC. This might...
  8. HybridsLast time I wrote we had decided on our input device for the DAC output stage and now it's time to pick the gain stage. The...
  9. Active or passive EQ?Number 3 on our list of 9 tasks for the output analog stage of the DAC isto include any additional low pass filtering the designer may...
  10. Odd or even?I arrived in Las Vegas last night to attend the annual Consumer Electronics Show (CES) and so the title of this post seems appropriate - except...
  11. Choosing wiselyIn yesterday's post we decided on the type of output stage we wanted: balanced or unbalanced depending on the topology of the DAC before it or,...
  12. Getting balancedIn our series on the output stage duties of a DAC or preamplifier, we listed 9 tasks that had to be completed and we've already covered...
  13. Losing sleepWe're still on the trail of defining the basic requirements for the output stage of a DAC or, for that matter, a preamplifier because the two...