Op amping the O2 sensor

[Mark Fabiny]

The quick answer - op amps can switch orders of magnitudes faster than
an O2 sensor.  Where engines run in the millisecond world (like on time
for fuel injectors), electronics are dealing in the nanosecond world
(like propagation delays through a gate).

Mark


Boucher, Joe C wrote:

<snip>
> The question of the post:  Is the frequency of the GM ECU swinging of
> the mixture back and forth through stoichiometric beyond the frequency
> limit of op amps?
> 
> Joe Boucher