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The datasheet says that the distortion cancellation capacitor CN should usually equal the compensation capacitor CC. And that both values are typically 50 pF.What I'm not sure about is which, if any, of these components are already present on the chip, and which must be added externally.
Oh, yeah: I'm designing a phono stage. Sneak preview at the URL below. Full of errors and missing niceties like component values, it is just a concept at present. Suggestions welcome.
RJM
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Topic - AD797 op-amp question : distortion cancellation - RJM 18:36:57 05/26/02 (17)
- Re: AD797 op-amp question : distortion cancellation - mlloyd1 11:14:33 05/28/02 (0)
- Re: AD797 op-amp question : distortion cancellation - eagle1 06:37:52 05/27/02 (8)
- Re: AD797 op-amp question : distortion cancellation - RJM 10:04:16 05/27/02 (7)
- with MC preamp noise is main criteria - jcox 12:27:11 05/27/02 (5)
- If I may... - eagle1 13:49:43 05/27/02 (1)
- Re: If I may... - RJM 15:17:21 05/27/02 (0)
- Helpful, thank you. - RJM 13:20:36 05/27/02 (2)
- a little more.. - jcox 17:49:07 05/27/02 (1)
- Just to be sure - eagle1 19:15:08 05/27/02 (0)
- Re: AD797 op-amp question : distortion cancellation - eagle1 10:39:12 05/27/02 (0)
- Re: AD797 op-amp question : distortion cancellation - Werner 22:39:55 05/26/02 (6)
- Could you perhaps email those to me? - RJM 10:11:07 05/27/02 (5)
- Re: Could you perhaps email those to me? - john curl 18:26:37 05/29/02 (0)
- Re: Could you perhaps email those to me? - Werner 23:14:21 05/28/02 (3)
- Re: Could you perhaps email those to me? - RJM 12:49:28 05/29/02 (1)
- Re: Could you perhaps email those to me? - Werner 23:17:15 05/29/02 (0)
- Re: Could you perhaps email those to me? - Terry Demol 02:13:04 05/29/02 (0)