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參數(shù)資料
| 型號(hào)： | LM1203N |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | RGB Video Amplifier System |
| 中文描述： | 1 CHANNEL, VIDEO AMPLIFIER, PDIP28 |
| 封裝： | PLASTIC, DIP-28 |
| 文件頁數(shù)： | 3/16頁 |
| 文件大小： | 559K |
| 代理商： | LM1203N |
AC Dynamic Tests
S17, 21, 26 Closed; V14
e
0V; V15
e
4V; unless otherwise stated (Continued)
Symbol
Parameter
Conditions
Typ
Tested
Limit (Note 2)
Design
Limit (Note 3)
Units
Vsep
10 kHz
Video Amplifier 10 kHz Isolation
V12
e
12V (Note 7)
b
65
dB
Vsep
10 MHz
Video Amplifier 10 MHz Isolation
V12
e
12V (Notes 4, 7)
b
46
dB
Note 1:
V
CC
supply pins 1, 13, 23, 28 must be externally wired together to prevent internal damage during V
CC
power on/off cycles.
Note 2:
These parameters are guaranteed and 100% production tested.
Note 3:
Design limits are guaranteed (but not 100% production tested). These limits are not used to calculate outgoing quality levels.
Note 4:
When measuring video amplifier bandwidth or pulse rise and fall times, a double sided full ground plane printed circuit board without socket is recommend-
ed. Video Amplifier 10 MHz isolation test also requires this printed circuit board.
Note 5:
Measure gain difference between any two amplifiers. V
IN
e
1 Vp-p.
Note 6:
Adjust input frequency from 10 kHz (Av
max
ref level) to the
b
3 dB corner frequency (f
b
3 dB).
Note 7:
Measure output levels of the other two undriven amplifiers relative to driven amplifier to determine channel separation. Terminate the undriven amplifier
inputs to simulate generator loading. Repeat test at f
IN
e
10 MHz for Vsep
e
10 MHz.
Note 8:
D
Av track is a measure of the ability of any two amplifiers to track each other and quantifies the matching of the three attenuators. It is the difference in
gain change between any two amplifiers with the Contrast Voltage V12 at either 5V or 2V measured relative to an Av max condition V12
e
12V. For example, at
Av max the three amplifiers gains might be 17.4 dB, 16.9 dB, and 16.4 dB and change to 7.3 dB, 6.9 dB, and 6.5 dB respectively for V12
e
5V. This yields the
measured typical
g
0.1 dB channel tracking.
Note 9:
Operating Ratings indicate conditions for which the device is functional. See Electrical Specifications for guaranteed performance limits.
*
Peaking capacitors. See Frequency Response
using various peaking cups graph on next page.
TL/H/9178–2
FIGURE 2. LM1203 Test Circuit
http://www.national.com
3
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LM1203-N | 制造商:TI 制造商全稱:Texas Instruments 功能描述:LM1203 RGB Video Amplifier System |
| LM1204 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:150 MHz RGB Video Amplifier System |
| LM1204V | 制造商:Texas Instruments 功能描述: |
| LM1205 | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:130 MHz/85 MHz RGB Video Amplifier System with Blanking |
| LM1205A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
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