J jegandren Member Joined 2008 2008-07-23 3:22 am #1 2008-07-23 3:22 am #1 Hi all, Attached is a feedback circuit from a +/- 37 V..i just want to know is the zener diode in that circuit essesntial. Attachments optocoupler.gif 5.3 KB · Views: 317 S sawreyrw Member Joined 2006 2008-07-23 3:24 am #2 2008-07-23 3:24 am #2 yes S sharmi Member Joined 2008 2008-07-23 11:11 am #3 2008-07-23 11:11 am #3 Your total zener voltage drop is 74V, so is there voltage to the optocoupler ic. S switchmodepower Member Joined 2007 switchmodepowersupply.net 2008-07-23 5:21 pm #4 2008-07-23 5:21 pm #4 It's a poor man's regulator. The zeners conduct when the voltage is roughly 74V.(+/-37) Status Not open for further replies. Share: Facebook X (Twitter) LinkedIn Reddit Pinterest Tumblr WhatsApp Email Link
Hi all, Attached is a feedback circuit from a +/- 37 V..i just want to know is the zener diode in that circuit essesntial.
S sawreyrw Member Joined 2006 2008-07-23 3:24 am #2 2008-07-23 3:24 am #2 yes S sharmi Member Joined 2008 2008-07-23 11:11 am #3 2008-07-23 11:11 am #3 Your total zener voltage drop is 74V, so is there voltage to the optocoupler ic. S switchmodepower Member Joined 2007 switchmodepowersupply.net 2008-07-23 5:21 pm #4 2008-07-23 5:21 pm #4 It's a poor man's regulator. The zeners conduct when the voltage is roughly 74V.(+/-37) Status Not open for further replies. Share: Facebook X (Twitter) LinkedIn Reddit Pinterest Tumblr WhatsApp Email Link
S sharmi Member Joined 2008 2008-07-23 11:11 am #3 2008-07-23 11:11 am #3 Your total zener voltage drop is 74V, so is there voltage to the optocoupler ic. S switchmodepower Member Joined 2007 switchmodepowersupply.net 2008-07-23 5:21 pm #4 2008-07-23 5:21 pm #4 It's a poor man's regulator. The zeners conduct when the voltage is roughly 74V.(+/-37) Status Not open for further replies.
S switchmodepower Member Joined 2007 switchmodepowersupply.net 2008-07-23 5:21 pm #4 2008-07-23 5:21 pm #4 It's a poor man's regulator. The zeners conduct when the voltage is roughly 74V.(+/-37)
