Spice Notation Question
I have a customer using _Microcap_ who claims that this notation....
..PRINT AC DB(V([OUT])/V([IN_AMP])) means print the dB DIFFERENCE between V(OUT) and V(IN_AMP). I can't find such notation in the reference manual. Can this be correct? (I created a Spice model for the customer. Models runs on all brands of Spice EXCEPT Microcap which gives an "underflow" error.) ...Jim Thompson -- | James E.Thompson | mens | | Analog Innovations | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | San Tan Valley, AZ 85142 Skype: skypeanalog | | | Voice:(480)460-2350 Fax: Available upon request | Brass Rat | | E-mail Icon at http://www.analog-innovations.com | 1962 | I love to cook with wine. Sometimes I even put it in the food. |
Spice Notation Question
In sci.electronics.design Jim Thompson wrote:
I have a customer using _Microcap_ who claims that this notation.... .PRINT AC DB(V([OUT])/V([IN_AMP])) means print the dB DIFFERENCE between V(OUT) and V(IN_AMP). http://www.spectrum-soft.com/faq/help/faq149.shtm Difference between dB(V(OUT)) and dB(V(IN_AMP)) ;) |
Spice Notation Question
On 09 Jun 2014 19:55:55 GMT, Miros?aw Kwa?niak
wrote: In sci.electronics.design Jim Thompson wrote: I have a customer using _Microcap_ who claims that this notation.... .PRINT AC DB(V([OUT])/V([IN_AMP])) means print the dB DIFFERENCE between V(OUT) and V(IN_AMP). http://www.spectrum-soft.com/faq/help/faq149.shtm Difference between dB(V(OUT)) and dB(V(IN_AMP)) ;) Something is throwing up a "underflow" error. Same netlist with only a .DC analysis call instead of a .AC call works just ducky. Andy Thompson of Spectrum Software is now involved, so we'll find out the problem... I hope. ...Jim Thompson -- | James E.Thompson | mens | | Analog Innovations | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | San Tan Valley, AZ 85142 Skype: skypeanalog | | | Voice:(480)460-2350 Fax: Available upon request | Brass Rat | | E-mail Icon at http://www.analog-innovations.com | 1962 | I love to cook with wine. Sometimes I even put it in the food. |
Spice Notation Question
On Mon, 09 Jun 2014 12:03:54 -0700, Jim Thompson
wrote: I have a customer using _Microcap_ who claims that this notation.... .PRINT AC DB(V([OUT])/V([IN_AMP])) means print the dB DIFFERENCE between V(OUT) and V(IN_AMP). I can't find such notation in the reference manual. Can this be correct? (I created a Spice model for the customer. Models runs on all brands of Spice EXCEPT Microcap which gives an "underflow" error.) ...Jim Thompson Per Andy Thompson of Spectrum, throw-up solved by adding... .OPTIONS NUMERIC_DERIVATIVE (I always use CAPS in option lines and models... the UNIX/Eunuchs crowd cause me all kinds of grief with everything lower case... you can't easily tell a "1" from an "l" in many fonts :-) ...Jim Thompson -- | James E.Thompson | mens | | Analog Innovations | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | San Tan Valley, AZ 85142 Skype: skypeanalog | | | Voice:(480)460-2350 Fax: Available upon request | Brass Rat | | E-mail Icon at http://www.analog-innovations.com | 1962 | I love to cook with wine. Sometimes I even put it in the food. |
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