RECORDING AND REPRODUCING INTEGRATED CIRCUIT FOR MAGNETIC HEAD AND MAGNETIC HEAD ASSEMBLING BODY
PURPOSE:To generate a recording and reproducing integrated circuit without generating waveform asymmetry by providing a coil with a center tap, and adjusting the value of a resistor in a clamping voltage generation circuit. CONSTITUTION:The clamping voltage generation circuit 6 for flyback voltage s...
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creator | KINOSHITA MASANORI HATANAKA NORIAKI KARAKAMA YOSHIAKI MINAMI HIROYUKI |
description | PURPOSE:To generate a recording and reproducing integrated circuit without generating waveform asymmetry by providing a coil with a center tap, and adjusting the value of a resistor in a clamping voltage generation circuit. CONSTITUTION:The clamping voltage generation circuit 6 for flyback voltage suppression provided with the coil 3 with the center tap, and which adjusts the rise and fall of a recording current, and also, provided with a function capable of adjusting a clamping voltage is provided. In other words, the recording current oscillates when the rise and fall time of the recording current arrives earlier than a certain time by inductance, however, the rise and fall time is delayed by the certain time by the inductance of a magnetic head so as not to oscillate, and a signal is recorded with the recording current not generating duty deviation. The rise and fall time of the recording current can be adjusted by changing the value of the resistor in the clamping voltage generation circuit 6. Thereby, it is possible to supply the recording and reproducing integrated circuit without generating waveform asymmetry. |
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CONSTITUTION:The clamping voltage generation circuit 6 for flyback voltage suppression provided with the coil 3 with the center tap, and which adjusts the rise and fall of a recording current, and also, provided with a function capable of adjusting a clamping voltage is provided. In other words, the recording current oscillates when the rise and fall time of the recording current arrives earlier than a certain time by inductance, however, the rise and fall time is delayed by the certain time by the inductance of a magnetic head so as not to oscillate, and a signal is recorded with the recording current not generating duty deviation. The rise and fall time of the recording current can be adjusted by changing the value of the resistor in the clamping voltage generation circuit 6. 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CONSTITUTION:The clamping voltage generation circuit 6 for flyback voltage suppression provided with the coil 3 with the center tap, and which adjusts the rise and fall of a recording current, and also, provided with a function capable of adjusting a clamping voltage is provided. In other words, the recording current oscillates when the rise and fall time of the recording current arrives earlier than a certain time by inductance, however, the rise and fall time is delayed by the certain time by the inductance of a magnetic head so as not to oscillate, and a signal is recorded with the recording current not generating duty deviation. The rise and fall time of the recording current can be adjusted by changing the value of the resistor in the clamping voltage generation circuit 6. 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CONSTITUTION:The clamping voltage generation circuit 6 for flyback voltage suppression provided with the coil 3 with the center tap, and which adjusts the rise and fall of a recording current, and also, provided with a function capable of adjusting a clamping voltage is provided. In other words, the recording current oscillates when the rise and fall time of the recording current arrives earlier than a certain time by inductance, however, the rise and fall time is delayed by the certain time by the inductance of a magnetic head so as not to oscillate, and a signal is recorded with the recording current not generating duty deviation. The rise and fall time of the recording current can be adjusted by changing the value of the resistor in the clamping voltage generation circuit 6. Thereby, it is possible to supply the recording and reproducing integrated circuit without generating waveform asymmetry.</abstract><oa>free_for_read</oa></addata></record> |
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subjects | INFORMATION STORAGE INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER PHYSICS |
title | RECORDING AND REPRODUCING INTEGRATED CIRCUIT FOR MAGNETIC HEAD AND MAGNETIC HEAD ASSEMBLING BODY |
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