LTspice question: modelling a solenoid

May 07, 2009 23 Replies
J

So make a 120V supply that can supply just the "leak-off", then the "snub" energy won't go to waste and heat.

...Jim Thompson

| James E.Thompson, P.E. | mens | | Analog Innovations, Inc. | et | | Analog/Mixed-Signal ASIC\'s and Discrete Systems | manus | | Phoenix, Arizona 85048 Skype: Contacts Only | | | Voice:(480)460-2350 Fax: Available upon request | Brass Rat | | E-mail Icon at http://www.analog-innovations.com | 1962 | Stormy on the East Coast today... due to Bush\'s failed policies.
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J

[snip]

So add a weenie supply to keep the capacitor "alive", as shown in...

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Since the current requirements are essentially leakage, I'd be tempted to use a capacitor type feed directly from the AC line. I do that often in appliance control chips.

...Jim Thompson

| James E.Thompson, P.E. | mens | | Analog Innovations, Inc. | et | | Analog/Mixed-Signal ASIC\'s and Discrete Systems | manus | | Phoenix, Arizona 85048 Skype: Contacts Only | | | Voice:(480)460-2350 Fax: Available upon request | Brass Rat | | E-mail Icon at http://www.analog-innovations.com | 1962 | Stormy on the East Coast today... due to Bush\'s failed policies.
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J

The

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got

And just what, per se, does that have to do with what i said?

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J

Where did the OP of this thread (John Nagle) go to?

...Jim Thompson

| James E.Thompson, P.E. | mens | | Analog Innovations, Inc. | et | | Analog/Mixed-Signal ASIC\'s and Discrete Systems | manus | | Phoenix, Arizona 85048 Skype: Contacts Only | | | Voice:(480)460-2350 Fax: Available upon request | Brass Rat | | E-mail Icon at http://www.analog-innovations.com | 1962 | Stormy on the East Coast today... due to Bush\'s failed policies.
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