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BH7802K
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MFG:ROHM Package Cooled:QFP

BH7 Series Datasheet download

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Part Number: BH7802K

MFG: ROHM

Package Cooled: QFP

Description: The BH7802K incorporates the functions for a VHS audio signal processing system on a single chip. The circuits on the c...

BH7802K General Description

The BH7802K incorporates the functions for a VHS audio signal processing system on a single chip. The circuits on the chip are a peak-noise reduction processor (PNR), an FM modulator / demodulator circuit, an I / O switcher, an automatic FM detector circuit, an FM bandpass filter, and a regulator circuit.

BH7802K Maximum Ratings

BH7802K 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.
2) A two-line I²C bus control decoder circuit is provided, allowing the various IC modes to be set using serial control.
3) A four line input switcher is included (tuner, BS, and line 1 / 2). The output switcher can switch between STEREO, LEFT, and RIGHT, and Hi-Fi, MIX, and NORMAL, and a BS MONITOR function is also provided. The MIX AMP is AV-LINK compatible.
4) The PNR processor and FM modulator / demodulator circuit have reversed characteristics at recording and playback. In addition, the adjustment for carrrier frequency and FM deviation / playback level are common.
5) The built-in bandpass filter excels at attenuation of other channels, and can be directly coupled to the playback amplifier. The FM recording output block has a high-performance low-pass filter to produce sine wave output.
6) Slope-control-type FM-switching-noise compensation circuit.
7) Envelope detector circuit and noise-detector-type automatic FM detector circuit.
8) VCO that uses the color signal sub-carrier frequency fsc (NTSC: 3.579545MHz, PAL: 4.433619MHz) and auto-adjusting BPF circuit ensure stable adjustment with no fluctuation due to mounting stress or time.

BH7802K Typical Application

VCRS

BH7802K Connection Diagram

BH7802K datasheet

BH7802K
PDF/DataSheet Download

Datasheet: BH7802K
File Size: 187665 KB
Manufacturer: ROHM [Rohm]
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BH7802K Relative Products

BH7801BK
The BH7801BK incorporates the functions for a VHS audio signal processing system on a single chip. The circuits of BH7801BK on the chip are a peak-noise reduction processor (PNR), an FM modulator / demodulator circuit, an I / O switcher, an automatic FM dete...
BH7779K
The BH7779K is an audio signal processing system IC that includes a peak-noise reduction processor, an FM modulator / demodulator circuit, an input / output switcher, an automatic FM detector circuit, an FM band-pass filter, a normal- audio circuit and a reg...
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 re...
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The BH7760KV contains the complete audio I / O analog block on a single-chip IC. Therefore, all necessary functions for a DVC audio analog I / O interface are provided on one chip.
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The BH76812FVM is designed as one kind of low voltage operation video driver with LPF that has some points of features:(1)built in 12 dB AMP;(2)built in LPF (8 order) for Y input (f=4.5MHz);(3)sync tip clamp circuit;(4)HVSOF6 plastic mold;(5)built in standby...
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