The emitter diode of the transistor is forward biased by applying the required positive base bias voltage via the current limiting resistor RB. Assuming a standard bipolar transistor, the forward base-emitter voltage drop will be 0.7V. Then the value of RB is simply: (VCC â VBE)/IB where IB is defined as IC/Î².
Other symptoms of a miscarriage include: 1  cramping and pain in your lower abdomen. 2  a discharge of fluid from your vagina. 3  a discharge of tissue from your vagina.  no longer experiencing the symptoms of pregnancy, such as feeling sick and breast tenderness.
Most women with recurrent miscarriage have recurrent early miscarriage â either the failure of the development of an ultrasonographically recognizable embryo or embryonic death before 10 weeks' gestation; however, signs and symptoms of the miscarriage (uterine bleeding and cramping) may appear after 10 weeks. A smaller proportion of women with recurrent miscarriage have late miscarriage (death of the conceptus at or after 10 weeks' gestation), usually before 15 to 16 weeks. 8 Causes and recurrence rates for late miscarriage may differ from those for early miscarriage. Recurrent miscarriage is a distressing problem.