參數(shù)資料
型號: BH7801BK
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): 6/14頁
文件大?。?/td> 183K
代理商: BH7801BK
6
Video ICs
BH7801BK
Electrical characteristics (unless otherwise noted, Ta = 25°C, UNREG – V
CC
= + 10V, UNREG – V
EE
= – 10V)
Output switch control (W2D3, W2D4, W2D5)
BS L2 Through / LINE MUTE control (W2D6, W2D7)
LINE AMP gain control (W2D1, W2D2)
FM output cotrol (W1D3)
FM OUT switch control (W1D4, W1D5, W1D6)
NTSC / PAL control (W1D8)
Recording MUTE (W1D7)
Hi-Fi PB MUTE (W2D8)
Normal input switch control (W3D4, W3D5)
Hi-Fi ALC control (W3D8)
ENVELOPE GAIN (Typ. / 4dB) control (W4D4)
FM detector level control (W4D1, W4D2)
ENVE characteristic control (W4D3)
FM TEST control (W4D6)
FM ALC control (W4D5)
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
: ALC ON
: L (MUTE)
Signal frequency f = 1kHz
INPUT condition 1: TU IN V
IN
= – 20dBV, LINE1 / LINE2 / BS V
IN
= – 10.2dBV
INPUT condition 2: TU IN V
IN
= – 9.8dBV, LINE1 / LINE2 / BS V
IN
= 0.0dBV
INPUT condition 3: TU IN V
IN
= – 2.0dBV, LINE1 / LINE2 / BS V
IN
= 8.0dBV
MODEM carrier frequency NTSC Lch
MODEM carrier frequency NTSC Rch
MODEM carrier frequency PAL
Lch
MODEM carrier frequency PAL
Rch
fsc
NTSC
fsc
PAL
1.30MHz
1.70MHz
1.40MHz
1.80MHz
3.579545MHz
4.433619MHz
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