參數(shù)資料
型號: BH7800K
廠商: Rohm CO.,LTD.
英文描述: Single chip Hi-Fi audio signal processor
中文描述: 單芯片Hi - Fi音頻信號處理器
文件頁數(shù): 6/13頁
文件大?。?/td> 174K
代理商: BH7800K
6
Video ICs
BH7800K
Electrical characteristics (unless otherwise noted, Ta = 25°, UNREG – Vcc = + 10V, UNREG – V
EE
= – 10V)
Output switch control (W1bit5, W1bit4, W1bit3)
BS L2 Through / LINE MUTE control (W1bit2, W1bit1)
LINE AMP gain control (W1bit7, W1bit6)
FM output cotrol (W5bit5)
FM OUT switch control (W2bit4, W2bit3, W2bit2)
NTSC / PAL control (W2bit0)
Recording MUTE (W2bit1)
Hi-Fi MUTE (W1bit0)
Normal input switch control (W3bit4, W3bit3)
Hi-Fi ALC control (W3bit0)
ENVELOPE GAIN (Typ. / + 4dB / + 6dB) control (W4bit4, W4bit3) )
FM detector level control (W4bit7, W4bit6)
ENVE characteristic control (W4bit5)
DAC TEST control (W4bit2)
MUTE control (pin 32)
: STEREO
: BSL2 Through / LINE MUTE OFF
: Typ. (+ 9.8dB)
: FM OUTPUT ON
: FM REC output, MIX ratio 1 (-12.5dB)
: NTSC
: Recording MUTE
: OFF
: Hi-Fi MIX
: OFF
: Typ.
: Typ.
: FNORM detect, no ENVE output
: OFF
: L (MUTE)
Signal frequency f = 1kHz
INPUT condition 1: TU / BS / LINE1 / LINE2 V
IN
= – 20dBV
INPUT condition 2: TU / BS / LINE1 / LINE2 V
IN
= – 9.8dBV
INPUT condition 3: TU / BS / LINE1 / LINE2 V
IN
= – 5.0dBV
MODEM carrier frequency NTSC
MODEM carrier frequency NTSC
MODEM carrier frequency PAL
MODEM carrier frequency PAL
fsc NTSC
fsc PAL
Lch
Rch
Lch
Rch
1.30MHz
1.70MHz
1.40MHz
1.80MHz
3.579545MHz
4.433619MHz
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