| 摘要 |
An amplifier for high gain, narrowband signal amplification is disclosed. An embodiment is an amplifier including a first means capable of oscillating and a second means for controlling the operating state of the first means between oscillation and close to oscillation. By operating close to oscillator high gain, narrowband signal amplification occurs. By operating between oscillation and close to oscillation, rather than between startup and close to oscillation, the amplifier is always narrowband. Accordingly, an advantage of the invention is operation with minimum affect from interfering
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