[sdiy] Using both OTAs in 13700 as one OTA

[Tom Wiltshire]

Aah, yes. I *do* remember that conversation now.

Thanks Phil, Neil.

Tom


On 4 Feb 2016, at 14:34, Phil Macphail <phil.macphail at liivatera.com> wrote:

> 
> 
>> On 04 Feb 2016, at 21:14, Tom Wiltshire <tom at electricdruid.net> wrote:
>> 
>> So what's the advantage of that arrangement? Seems like the first stage is superfluous.
>> 
>> Thanks,
>> Tom
>> 
>>> 
> The first stage pre-distorts the signal to compensate for the tanh characteristic of the differential pair in the OTA. It extends the operating range and therefore reduces all the things that the 13700 is criticized for - noise, CV leakage etc.
> 
> Phil
> 
> Sent from my iPhone