Will a pull up resistor work here or is the max voltage on the board 1.1 volts?

If there is 5V running around, use a pullup on the output then you can
almost swing rail to rail.

If there is no supply, could a charge pump fit the bill?

At 08:24 AM 12/6/96 -0700, you wrote:
>I ran into a small problem with a circuit and was hoping for some help.  I
>have an output from another device of which runs 1.1 volts on to 0 volts
>off.  I tried to run this into a regular npn 2222a and it would not source
>enough current to drive the transistor to the on state.  So I went to an
>n-channel mpf102 fet and had better success but still I can not turn that
>thing on all the way.  So I started thinking about a 741 op amp and played
>with that with success.  This is the problem.  I don't have room for a -
>supply on this board.  Does anyone have a way that I can get this output up
>to a good ttl level with a meg ohm input resistance or so?
>Thank you for any and all help.
>
>
>
>Matthew Ormsby
>Matt@epfsc.com
>http://www.cyberport.com/~mormsby
>
>