> In order to answer you question, a few parameters need to be known: > 1) What frequency, or what range of frequency are you planning to amplify? > 2) How much distortion can be tolerated? > 3) What amplitudes will you be generating, constant or varying? > 4) Will the sine wave ever reach DC or close to it? > 5) What peak to peak voltage is required on your load? > 6) Will it be AC or DC coupled to the load? > > Rick > I'm sorry but I am only able to answer a couple of the questions myself as I just had the project dumped in my lap a day or two ago: 1) I'm not yet positive but somewhere in the range of 1-18 kHz 3) I don't plan to adjust the amplitude myself but it will be dependent on the battery voltage supplied, somewhere in the range of 9-16Vdc I appreciate the leads on audio power amps and will investigate that option. I am only familiar with transistors and FETs in relation to switching signals between a High and Low signal. Am I correct in assuming that I cannot amplify a Sine Wave signal using transistors or FETs? Thanks again for the replies, Max Peelman _________________________________________________________ Do You Yahoo!? Get your free @yahoo.com address at http://mail.yahoo.com -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu