| 摘要 |
PURPOSE:To reduce the pulsating of a current and to reduce the noise by comparing a reference symmetrical triangular voltage with two signal voltages produced by adding positive and negative bias voltages to an input voltage and producing an output. CONSTITUTION:An input signal voltage eO, and positive and negative bias voltages +ED1, -ED2 are respectively added by adders 8, 9, the outputs eO+ED1, eO-ED2 are respectively inputted to comparators 5, 6, which compares them with a reference symmetrical triangular voltage eT. The voltage eT is inputted to a comparator 10, which compares it with a reference voltage. The outputs of comparators 5, 6, 10 are logically calculated via inverters 11, 16 and logic product circuits 12-15, thereby producing outputs x1, x2. |
