|
|||||||
| Home | Forums | Rules | Articles | Store | Gallery | Blogs | Register | Donations | FAQ | Calendar | Search | Today's Posts | Mark Forums Read | Search |
| Analogue Source Turntables, Tonearms, Cartridges, Phono Stages, Tuners, Tape Recorders, etc. |
  |
|
|
|
Please consider donating to help us continue to serve you.
Ads on/off / Custom Title / More PMs / More album space / Advanced printing & mass image saving |
 |
|
|
Thread Tools | Search this Thread |
24th August 2004, 12:03 PM
|
#1 |
|
diyAudio Member
Join Date: Dec 2003
Location: Oslo, Norway
|
Output buffer offset voltage
Hi,
I'm building an audio DAC and didn't think too much about output offset before actually turning the power on and measuring it. My bad! I use passive IV conversion and therefore need quite a bit of gain. A +-2mV spread of opamp input-referred offset voltage gets amplified quite a bit, so the output offset voltage varies a lot. What should I do? - Offset pots on each channel? (=noise from reference source and expensive layout with multiple pots) - AC coupling (don't like big caps and hi-pass filters) - DC feedback servo - Never mind, amplifiers are AC coupled - What opamps are recomended by you guys for low offset? Greetings, Børge |
|
|
| Currently Active Users Viewing This Thread: 1 (0 members and 1 guests) | |
| Thread Tools | Search this Thread |
|
|
Similar Threads
|
||||
| Thread | Thread Starter | Forum | Replies | Last Post |
| High DC offset voltage at preamp output | mmerig | Solid State | 18 | 23rd May 2008 07:44 AM |
| Trimming The Output Offset Voltage Of TA2020 | xrcd24bit | Class D | 2 | 3rd January 2007 06:54 AM |
| Offset voltage | borges | Multi-Way | 3 | 17th May 2006 07:38 AM |
| How much output offset voltage is too much? | tubetvr | Solid State | 14 | 1st July 2004 10:47 PM |
| DC Offset voltage | phil | Solid State | 3 | 23rd October 2001 06:37 AM |
| New To Site? | Need Help? |
| Page generated in 0.06398 seconds (66.54% PHP - 33.46% MySQL) with 10 queries |
