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LINEAR_VOLTAGE_RAMP_GENERATOR

2017-03-04 05:21  
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LINEAR_VOLTAGE_RAMP_GENERATOR
LINEAR_VOLTAGE_RAMP_GENERATOR
In the monostable mode, the resistor can be replaced by a constant current source to provide a linear ramp voltage. The capacitor still charges from 0 to 2/3 Vcc. The linear ramp time is given by the following equation:If VB is much larger than VBE, then t can be made independent of Vcc.