VECTOR TD VPK PROFESSIONAL

VECTOR TD VPK PROFESSIONAL

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Please note the current direction convention for the input voltage source, V1, is into the device, hence the negative sign in the Pin calculation. Add the following expressions as a SPICE directive to calculate the average input power ( Pin), average output power ( Pout) and the efficiency ( Eff). meas command is useful for measuring a range over the abscissa (as well as one point on the abscissa). tran statement below, we start to save data at 2ms and stop at 2.1ms. Use this observation to set the the “time to start saving data” and “stop time” to encompass a short duration within the observed steady state period. step command, extending simulation stop time if needed. To ensure this, simulate your circuit, and note when steady state is achieved for all conditions in the. It is important to calculate efficiency when the circuit is operating in a steady state. step command to allow for the creation of this user-defined variable. Here, we step the independent current source, I1, from 0.2A to 1.2A in 0.1A increments using a global variable defined as. (You can use the S hotkey to add and place a SPICE directive.) step command into your schematic as a SPICE directive and step the independent current source from a light load to maximum current load and define the step increments. These steps can be defined as linear, logarithmic or as a list of specific values. The variable can be temperature, a model parameter, a global parameter or in our case an independent source. step command is useful for sweeping a variable across a range of values in a single simulation run. & amp lt img src='' alt='SMPS Efficiency Schematic'& amp gt

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