Re: sensors and bias

2009-11-27 Thread Daniel Drake
On Fri, 2009-11-27 at 09:10 +, Daniel Drake wrote: On Fri, 2009-11-27 at 01:38 -0500, John Watlington wrote: The bias for port B is used for port F (the DC input). Port F has no bias generator, and would have to use another port's, regardless of whether it was DC coupled or not. Ok,

sensors and bias

2009-11-26 Thread Daniel Drake
Hi, On XO-1, we had an ALSA switch that enabled mic bias. This was used by measure when being put into resistance sensor mode. However, on XO-1.5, when Mitch Bradley suggested how to implement sensor mode, his advice was disable bias, enable the DC port and select it as input Also, our DC input

Re: sensors and bias

2009-11-26 Thread John Watlington
The bias for port B is used for port F (the DC input). Port F has no bias generator, and would have to use another port's, regardless of whether it was DC coupled or not. wad On Nov 26, 2009, at 7:18 AM, Daniel Drake wrote: Hi, On XO-1, we had an ALSA switch that enabled mic bias. This was