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參數(shù)資料
| 型號： | BA7184 |
| 廠商： | Rohm CO.,LTD. |
| 英文描述： | 4-channel PRE / REC amplifier with auto-tracking interface |
| 中文描述： | 4通道前/承包放大器具有自動跟蹤接口 |
| 文件頁數(shù)： | 7/8頁 |
| 文件大?。?/td> | 120K |
| 代理商： | BA7184 |
7
Video ICs
BA7184S
Control system logic table
(1) DFF IN (pin 16)
Playback input selection (head switching)
Control pin
EP / SP
L
H
H
L
L
H
DFF IN
Function
Selected playback input
Control voltage
V
CTRL16
[V]
3.5 ~ V
CC
0.0 ~ 1.2
—
—
Ch3 (PRE IN3 8pin)
Ch4 (PRE IN4 10pin)
Ch1 (PRE IN1 4pin)
Ch2 (PRE IN2 6pin)
(2) EP / SP control (pin 2)
Recording output selection
Playback input selection (see (1))
EP / SP
H
L
Function
Selected recording output
Control pin
Control voltage
V
CTRL2
[V]
3.5 ~ V
CC
0.0 ~ 1.2
EP (REC OUT 8, 9, 10pin)
SP (REC OUT 4, 5, 6pin)
(3) TP / PB / EE / REC CTRL (pin 12)
Special playback / playback / recording mute / recording mode switching
Mode
PB / EE / REC
OT
ON
ON
ON
OFF
OFF
H
PB
ON
ON
OFF
OFF
OFF
M
OFF
OFF
OFF
ON
ON
L
REC
OFF
OFF
OFF
OFF
ON
Pin 12 is biased internally in the IC. When open, PB mode is selected.
TRICK PLAY
REC MUTE
Control pin
Function
Control voltage
V
CTRL12
[V]
4.1 ~ V
CC
3.0 ~ 3.7
1.1 ~ 2.6
0.0 ~ 0.7
PRE AMP AT ENVE ENV COMP REC MUTE REC AMP
(4) H SYNC IN (pin 17)
Special playback envelope comparator (ENVE COMP) output latch control.
AGC operation control for recording.
2.8 ~ V
CC
H
ON
L
OFF
0.0 ~ 1.2
ENVE COMP
Set at falling edge
—
H SYNC
Control voltage
V
CTRL17
[V]
Control pin
Function
AGC detector
(5) ENVE COMP OUT (pin 15)
Outputs playback envelope comparator data for special playback.
H
L
Ch1 or Ch2 > Ch3 or Ch4
ENVE COMP
Ch1 or Ch2 < Ch3 or Ch4
Function
Playback input level
Control pin
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| BA7184S | 制造商:ROHM 制造商全稱:Rohm 功能描述:4-channel PRE / REC amplifier with auto-tracking interface |
| BA7-2 INSERT | 制造商:RAACO 功能描述:BA7-2 INSERT BOXXSER 制造商:RAACO 功能描述:BA7-2 INSERT, BOXXSER 制造商:RAACO 功能描述:BA7-2 INSERT, BOXXSER ;ROHS COMPLIANT: NA |
| BA7207 | 制造商:ROHM 制造商全稱:Rohm 功能描述:SECAM chroma signal processor for VHS VCRs |
| BA7207AK | 制造商:ROHM 制造商全稱:Rohm 功能描述:SECAM chroma signal processor for VHS VCRs |
| BA7207AS | 制造商:ROHM 制造商全稱:Rohm 功能描述:SECAM chroma signal processor for VHS VCRs |
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