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參數(shù)資料
| 型號： | LA70011 |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 4 CHANNEL, VIDEO PREAMPLIFIER, PDIP24 |
| 封裝： | SDIP-24 |
| 文件頁數(shù)： | 11/11頁 |
| 文件大小： | 133K |
| 代理商： | LA70011 |
Envelope Detector Characteristic: Pin 6
The LA70011 includes a built-in playback signal envelope detector circuit for use in automating tracking adjustment.
REC AMP Gain Control
The LA70011 eliminates recording current adjustment by adding an automatic gain control circuit to the recording
amplifier. It is also possible to change the recording current with the following methods.
REC-CURRENT-ADJ2 Open
The internal bias forces the DC level at pin 12 to 1/2 VCC (that is, approximately 2.5 V), and RO1 determines the
recording current.
Design values
RO1 = 1.5 k = 16.0 mA (SP) (per channel)
RO1 = 1.5 k =12.7 mA (EP)
REC-CURRENT-ADJ2 Used
Applying a DC control voltage between 1 and 4 V to pin 12 adjusts the figure determined by RO1 between –6.0 dB and
+3.5 dB.
No. 5710-9/11
LA70011, 70011M
REC-CURRENT
(mAp-p)
design
values
Pin 6 level - detector
DC level (V)
Pin 7 level - playback output level (mVp-p)
Envelope detector voltage characteristic
EP, with 18k
resistor on pin 6
SP, with 18k
resistor on pin 6
相關PDF資料 |
PDF描述 |
|---|---|
| LA70020M | 6 CHANNEL, VIDEO PREAMPLIFIER, PDSO36 |
| LA70020 | 6 CHANNEL, VIDEO PREAMPLIFIER, PDIP36 |
| LA70050W | 3 CHANNEL, VIDEO PREAMPLIFIER, PQFP48 |
| LA7051 | SPECIALTY CONSUMER CIRCUIT, PSIP9 |
| LA7053 | SPECIALTY CONSUMER CIRCUIT, PSIP9 |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| LA70020M | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Recording/Playback Amplifier for VHS VCRs |
| LA7003 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| LA7003S | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
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