RE = 2.7kΩ, R1 =47kΩ , R2 100kΩ , C= 0.1µF, VCC =5v.
A. 8ms
B. 4ms
C. 2ms
D. 1ms
Answer:A
RE = 2.7kΩ, R1 =47kΩ , R2 100kΩ , C= 0.1µF, VCC =5v.
A. 8ms B. 4ms C. 2ms D. 1ms
Explanation: The time period of the linear ramp generator, T= [(2/3)×(VCC×RE)×(R1+ R2)×C]/{(R1×VCC)-[VBE×(R1+R2)]}