| 摘要 |
2127446 9314563 PCTABS00024 An improved digital switching amplifier is disclosed. The amplifier utilizes a low-pass filter (LPF) at the input of the switching comparator (U1) to give an improved signal to noise ratio at the final output (Vf). In another aspect of the invention, a propagation delay is used to produce the steady-state oscillation of the amplifier circuit.
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