<html><body><div style="color:#000; background-color:#fff; font-family:arial, helvetica, sans-serif;font-size:12pt"><div><span style="color: rgb(69, 69, 69); font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px;">> bidirectional Si8602</span><br></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: arial, helvetica, sans-serif; background-color: transparent; font-style: normal;"><span style="color: rgb(69, 69, 69); font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px;"><br></span></div><div style="color: rgb(69, 69, 69); font-size: 12px; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; background-color: transparent; font-style: normal;"><span style="color: rgb(69, 69, 69); font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px;">Scott, </span></div><div style="color: rgb(69, 69, 69); font-size: 12px; font-family: 'Helvetica Neue', Helvetica, Arial,
sans-serif; background-color: transparent; font-style: normal;"><span style="color: rgb(69, 69, 69); font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px;"><br></span></div><div style="color: rgb(69, 69, 69); font-size: 12px; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; background-color: transparent; font-style: normal;"><span style="color: rgb(69, 69, 69); font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px;">I get it now, They use RF instead of light. VERY kool. This has the added advantage of bi-directional usage and still has a physical isolation. I was not aware of this development in technology. </span></div><div style="color: rgb(69, 69, 69); font-size: 12px; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; background-color: transparent; font-style: normal;"><span style="color: rgb(69, 69, 69); font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size:
12px;"><br></span></div><div style="color: rgb(69, 69, 69); font-size: 12px; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; background-color: transparent; font-style: normal;"><span style="color: rgb(69, 69, 69); font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px;">I will probably move on to these chips instead of opto-isolators. </span></div><div style="color: rgb(69, 69, 69); font-size: 12px; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; background-color: transparent; font-style: normal;"><span style="color: rgb(69, 69, 69); font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px;"><br></span></div><div style="color: rgb(69, 69, 69); font-size: 12px; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; background-color: transparent; font-style: normal;"><span style="color: rgb(69, 69, 69); font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size:
12px;">Thanks a bunch for teaching this old dog a new trick.</span></div><div style="color: rgb(69, 69, 69); font-size: 12px; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; background-color: transparent; font-style: normal;"><span style="color: rgb(69, 69, 69); font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px;"><br></span></div><div style="color: rgb(69, 69, 69); font-size: 12px; font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; background-color: transparent; font-style: normal;"><span style="color: rgb(69, 69, 69); font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif; font-size: 12px;">John Vaughters</span></div> </div></body></html>