Electronics Engineering · Linear Integrated Circuits
By considering standard notations, the time period of a linear ramp generator implemented using a 555 timer is given by:
- 1T = (1/3) VCC RE (R1 + R2) CR2 VCC - VBE (R1 + R2)
- 2T = VCC RE (R1 + R2) CR1 VCC - VBE (R1 + R2)
- 3T = (2/3) VCC RE (R1 + R2) CR1 VCC - VBE (R1 + R2)✓
- 4T = (2/3) VCC RE (R1 + R2) CR1 VCC + VBE (R1 + 2R2)
Correct answer
T = (2/3) VCC RE (R1 + R2) CR1 VCC - VBE (R1 + R2)
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