データシートサーチシステム
  Japanese  ▼
ALLDATASHEET.JP

X  

LM1203B データシート(PDF) 9 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
部品番号 LM1203B
部品情報  100 MHz RGB Video Amplifier System
Download  16 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
メーカー  NSC [National Semiconductor (TI)]
ホームページ  http://www.national.com
Logo NSC - National Semiconductor (TI)

LM1203B データシート(HTML) 9 Page - National Semiconductor (TI)

Back Button LM1203B Datasheet HTML 5Page - National Semiconductor (TI) LM1203B Datasheet HTML 6Page - National Semiconductor (TI) LM1203B Datasheet HTML 7Page - National Semiconductor (TI) LM1203B Datasheet HTML 8Page - National Semiconductor (TI) LM1203B Datasheet HTML 9Page - National Semiconductor (TI) LM1203B Datasheet HTML 10Page - National Semiconductor (TI) LM1203B Datasheet HTML 11Page - National Semiconductor (TI) LM1203B Datasheet HTML 12Page - National Semiconductor (TI) LM1203B Datasheet HTML 13Page - National Semiconductor (TI) Next Button
Zoom Inzoom in Zoom Outzoom out
 9 / 16 page
background image
Circuit Description (Continued)
collector of Q12 is buffered and level shifted down by Q13
Q14 and Q15 to the base of the output emitter follower Q16
A50X decoupling resistor is included in series with the emit-
ter of Q16 and the video output pin so as to prevent oscilla-
tions when driving capacitive loads An external resistor
should be connected between the video output pin and
ground The value of this resistor should not be less than
390X or else package power limitations may be exceeded
under worse case conditions (high supply voltage maximum
current maximum temperature) The collector current from
the video output transistor of each video channel is returned
to the power supply at VCC2 pin 23 When making power
dissipation calculations note that the data sheet specifies
only the VCC1 and VCC2 supply current at 12V supply volt-
age with no pull down resistor at the output (ie RL e %
see Test Circuit
Figure 2 ) The IC power dissipation due to
VCC2 is dependent upon the external video output pull down
resistor
INPUT REFERENCE AND CONTRAST
CONTROL SECTION
Figure 7 shows the input reference and contrast control cir-
cuitry A temperature compensated 28V reference voltage
is made available at pin 11 The external DC biasing resis-
tors shown should not be larger than 10k because minor
differences in input bias currents of the individual video am-
plifiers may cause offsets in gain
Figure 7 also shows how
the contrast control circuit is configured R21 R22 Q22
Q23 and Q24 establish a low impedance zero TC half sup-
ply voltage reference at the base of Q25 The differential
amplifier formed by Q27 Q28 and feedback transistor Q29
along with R28 and R29 establish a differential base voltage
for Q3 and Q4 in
Figure 6 When externally adding or sub-
tracting current from the collector of Q28 a new differential
voltage is generated that reflects the change in the ratio of
currents in Q27 and Q28 To allow voltage control of the
current through Q28 resistor R27 is added between the
collector Q28 and pin 12 A capacitor should be connected
from pin 12 to ground to prevent noise from the contrast
control potentiometer from entering the IC
TLH11489 – 11
FIGURE 7 Simplified Schematic of LM1203B Video Input
Reference and Contrast Control Circuits
http
www nationalcom
9


同様の部品番号 - LM1203B

メーカー部品番号データシート部品情報
logo
National Semiconductor ...
LM1203 NSC-LM1203 Datasheet
559Kb / 16P
   RGB Video Amplifier System
logo
Texas Instruments
LM1203-N TI1-LM1203-N Datasheet
810Kb / 18P
[Old version datasheet]   LM1203 RGB Video Amplifier System
logo
National Semiconductor ...
LM1203A NSC-LM1203A Datasheet
305Kb / 18P
   150 MHz RGB Video Amplifier System
logo
Texas Instruments
LM1203A-N TI1-LM1203A-N Datasheet
555Kb / 20P
[Old version datasheet]   LM1203A 150 MHz RGB Video Amplifier System
LM1203C TI1-LM1203C Datasheet
509Kb / 7P
[Old version datasheet]   RGB VIDEO-AMPLIFIER SYSTEM
More results

同様の説明 - LM1203B

メーカー部品番号データシート部品情報
logo
National Semiconductor ...
LM1204 NSC-LM1204 Datasheet
399Kb / 20P
   150 MHz RGB Video Amplifier System
LM1203A NSC-LM1203A Datasheet
305Kb / 18P
   150 MHz RGB Video Amplifier System
LM1209 NSC-LM1209 Datasheet
391Kb / 24P
   130 MHz/100 MHz RGB Video Amplifier System with Blanking
January 1996
logo
Texas Instruments
LM1203A-N TI1-LM1203A-N Datasheet
555Kb / 20P
[Old version datasheet]   LM1203A 150 MHz RGB Video Amplifier System
LM1203C TI1-LM1203C Datasheet
509Kb / 7P
[Old version datasheet]   RGB VIDEO-AMPLIFIER SYSTEM
logo
National Semiconductor ...
LM1203 NSC-LM1203 Datasheet
559Kb / 16P
   RGB Video Amplifier System
logo
Texas Instruments
LM1279 TI1-LM1279 Datasheet
798Kb / 20P
[Old version datasheet]   110 MHz RGB Video Amplifier System with OSD
logo
National Semiconductor ...
LM1279 NSC-LM1279 Datasheet
533Kb / 14P
   110 MHz RGB Video Amplifier System with OSD
LM1208 NSC-LM1208 Datasheet
917Kb / 23P
   130 MHz/85 MHz RGB Video Amplifier System with Blanking
logo
Texas Instruments
LM1203-N TI1-LM1203-N Datasheet
810Kb / 18P
[Old version datasheet]   LM1203 RGB Video Amplifier System
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16


データシート ダウンロード

Go To PDF Page


リンク URL




プライバシーポリシー
ALLDATASHEET.JP
ALLDATASHEETはお客様のビジネスに役立ちますか?  [ DONATE ] 

Alldatasheetは   |   広告   |   お問い合わせ   |   プライバシーポリシー   |   リンク交換   |   メーカーリスト
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com