At 08:37 PM 12/17/97 -0800, you wrote: >At 10:03 PM 12/17/97 -0500, Wynn Rostek wrote: >Unfortunately, the circuit drawn here will clip the voltage down to about >0.7 volts. You have forgotten that zeners still are normal diodes in the >forward direction.... Simply place the zeners in series instead of >parallel, and your circuit should work fine, however. > Of course you're right. It was fairly late, and I was working from memory. I should know better by now!