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Part Number
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HA12220F |
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Manufacturer
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Hitachi Semiconductor |
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Description
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CD-ROM Drive Head Amplifier |
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Published
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Mar 22, 2005 |
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Detailed Description
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HA12220F
CD-ROM Drive Head Amplifier IC
ADE-207-230 (Z) Target Specification 1st. Edition April 1997 Functions
• RF amp...
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Datasheet
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HA12220F
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Overview
HA12220F
CD-ROM Drive Head Amplifier IC
ADE-207-230 (Z) Target Specification 1st.
Edition April 1997 Functions
• RF amplifier (Built-in equalizer changing circuit) • Focus error amplifier (fc = 60kHz Typ) • Tracking error amplifier (Built-in cut-off frequency changing circuit fc = 30kHz, 60kHz, 100kHz, 200kHz Typ) • FOK detection circuit (Built-in Vth changing circuit) • Mirror detection circuit • Defect detection circuit • APC amplifier • RFAGC amplifier
Features
• Built-in variable resistors (+14 to –16% 2% steps) for adjusting tracking error EF balance • Built-in variable resistors (–8 to +8dB 4dB steps) for rough adjusting tracking gain • Built-in variable resistors (–8 to +8dB 4dB ste...
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