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PDF TDA9108 Data sheet ( Hoja de datos )
| Número de pieza | TDA9108 | |
| Descripción | MONITOR HORIZONTAL PROCESSOR | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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TDA9108
MONITOR HORIZONTAL PROCESSOR
. POS/NEG SYNC INPUT
. SYNC POLARITY DETECTION
. 2 PLLs CONCEPT
. 2 COMPLEMENTARY OUTPUTS
. DC ADJUSTABLE FREQUENCY
. DC ADJUSTABLE DUTY CYCLE
. X-RAY PROT INPUT
. BACK PORCH CLAMPING PULSE GENER-
ATOR
. H-DRIVE INHIBITION WHEN VS < VS START
DESCRIPTION
The TDA9108 is a horizontal deflection processor
specially designed for monitor applications. The
H-drive output duty cycle, the horizontal frequency
and the horizontal position are DC adjustable ; it
accepts both POS/NEG polarity on sync input and
delivers polarity information on a dedicated pin. All
these features make the device a good choice for
multifrequency application.In addition to this, X-ray
protection, 2 complementary H-drive output , and
a back porch clamping pulse generator are also
included. It is a monolithic integrated circuit encap-
sulated in a 14 lead dual line plastic package.
PIN CONNECTIONS
SU PP LY VOLTAGE
NEGATIVE H-DRIVE
POSITIVE H-DRIVE
DUTY CYCLE ADJUSTMENT
2nd PLL LOOP FILTER
FLYBACK INPUT
BACK PORCH CLAMPING PULSE OUTPUT
1
2
3
4
5
6
7
October 1993
DIP14
(Plastic Package)
ORDER CODE : TDA9108
14 GR OUN D
13 H-FREQUENCY SETTING
12 H-OSCILLATOR CAPACITOR
11 1st PLL LOOP FILTER
10 SYNC POLARITY
9 SYN C INPUT
8 X-RAY PROTECTION INPUT
1/9
1 page  
Figure 1 : Relation Ship of Main Waveform Phases
Flyback
Input Pulse
Sync Input
Signal
tO
tf
Phase
Comparator
Driving Pulse
Back Porch
Clamping
Pulse
td
Output Pulse
Pin 3
t SK t K
t p H p 100
TDA9108
V7K
5/9
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet TDA9108.PDF ] | |
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