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BH7775K - VCR audio signal processing system

Description

Pin function - 1 / 2 Pin No.

Pin name Function BS input (L and R).

TUNER input (L, R, and M).

Features

  • 1) Operates off dual ± power supply which allows a large reduction in the number of coupling capacitors required. A built-in regulator makes it easy to construct a power supply system. A built-in 2-wire serial control decoder circuit allows serial control of the internal mode settings. Automatic adjusting VCO and BPF circuits that use the color signal subcarrier frequency (NTSC: 3.579545MHz and PAL: 4.433619MHz) ensure stable adjustment that is not effected by stress when the chip is m.

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Datasheet Details

Part number BH7775K
Manufacturer ROHM
File Size 226.89 KB
Description VCR audio signal processing system
Datasheet download datasheet BH7775K Datasheet
Additional preview pages of the BH7775K datasheet.

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Full PDF Text Transcription

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Video ICs VCR audio signal processing system BH7775K The BH7775K is an audio signal processing system IC that includes a peak-noise reduction (PNR) processor, an FM modulator / demodulator circuit, an input / output switcher, an automatic FM detector circuit, an FM band-pass filter, a normal-audio circuit, a regulator circuit, and automatic adjusting circuits (VCO and BPF). Applications • VHS Video cassette recorders Features • 1) Operates off dual ± power supply which allows a large reduction in the number of coupling capacitors required. A built-in regulator makes it easy to construct a power supply system. A built-in 2-wire serial control decoder circuit allows serial control of the internal mode settings.
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