O2 sensor pullup resistor values?

Ludis Langens ludis at cruzers.com
Thu Dec 6 23:41:57 GMT 2001


rr wrote:
> 
> Check nat-semi.com for the LM1964. It is the O2 Sensor interface
> amplifier designed for this purpose. At least the purpose of interfacing
> the O2 into additional electronics.

It's now known as the LM9044.  The data sheet contains a schematic
diagram of what's in the chip.

Bernd Felsche wrote:
> 
> Probably on the output of the buffer amplifier, internal to the box.
> The sensor's output voltage rises from 0V when it heats up; that
> transition may be used to switch off the bias.

There is no bias on the output, nor is there a bias that gets switched off.

-- 
Ludis Langens                               ludis (at) cruzers (dot) com
Mac, Fiero, & engine controller goodies:  http://www.cruzers.com/~ludis/

----------------------------------------------------------------------------
To unsubscribe from diy_efi, send "unsubscribe diy_efi" (without the quotes)
in the body of a message (not the subject) to majordomo at lists.diy-efi.org




More information about the Diy_efi mailing list