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參數資料
| 型號： | LA70001 |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2 CHANNEL, VIDEO PREAMPLIFIER, PDIP24 |
| 封裝： | SDIP-24 |
| 文件頁數： | 7/8頁 |
| 文件大小： | 133K |
| 代理商： | LA70001 |
No. 5709-7/8
LA70001, 70001M
Record Amplifier Gain Control
The LA70001 achieves an adjustment-free record current by adding an AGC circuit in the record amplifier block. The
record current can be modified using the following method.
Record current adjustment 2: When left open.
Pin 12 DC level is set to 1/2 VCC (approximately 2.5 V) by an internal bias, and the record current is determined by
Ro1.
Design value: When Ro1 is 1.5 k
, the record current will be 12.7 mA per channel.
Record current adjustment 2: When used.
The gain can be varied by –6.0 dB to +3.5 dB relative to the value set by Ro1 by applying a control DC voltage of
between 1 and 4 V to pin 12.
Note: The technique shown in the figure below can be used to apply a DC level to pin 12. This allows a control voltage of between 1 and 4 V to be applied.
Record current (mAp-p) design value
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| LA70011M | 4 CHANNEL, VIDEO PREAMPLIFIER, PDSO24 |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LA70001M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Record/Playback Amplifiers for VHS Format VCRs |
| LA7000S | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| LA70011 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Recording/Playback Amplifier for VHS VCRs |
| LA70011M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Recording/Playback Amplifier for VHS VCRs |
| LA70020 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Recording/Playback Amplifier for VHS VCRs |
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