BH7272KV - Two-channel VCR PRE / REC amplifier for Digital VCRs

Rohm

Datasheet Details

1) The playback amplifier is a differential amplifier with an overall gain of 54dB (Typ. ), and has low-noise transistors as the first stage. The feedback circuit is not included, so provide negative feedback for head peak damping, and positive feedback to cancel the input capacitance using external components. 2) The playback AGC amplifier has ± 10dB of control range. 3) The recording current amplifier is a BLT current amplifier. Use external components to construct the head peak damp.

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Published: Mar 23, 2005 |