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AMPLIFIER WITH ADJUSTABLE AMPLIFICATION COEFFICIENT AND TEMPERATURE COMPENSATION, MEANT FOR USE IN DISK DRIVE

机译:具有可调节的放大系数和温度补偿的放大器,适合在磁盘驱动器中使用

摘要

FIELD: data carriers.;SUBSTANCE: in response to control reading signal received at amplifier input, on output of this amplifier output signal is produced, signal is then formed, reflecting difference between output amplifier signal and support signal. First compensation signal is generated, absolute value of which is proportional to absolute temperature, and second compensation signal, absolute value of which does not depend on temperature during forming estimation signal first compensation signal is summed with signal, reflecting said difference, or is subtracted from it dependently on second compensation signal.;EFFECT: higher precision.;4 cl, 7 dwg
机译:领域:数据载体;实质:响应放大器输入端接收到的控制读取信号,在该放大器的输出上产生输出信号,然后形成信号,反映输出放大器信号与支持信号之间的差异。产生第一补偿信号,该第二补偿信号的绝对值与绝对温度成正比,并且第二补偿信号的绝对值不依赖于温度,该第二补偿信号在形成估计信号期间与第一补偿信号相加,反映所述差,或者从中减去效果:更高的精度; 4 cl,7 dwg

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