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PDF TDA9201 Data sheet ( Hoja de datos )
| Número de pieza | TDA9201 | |
| Descripción | WIDE BAND VIDEO PREAMPLIFIER | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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TDA9201
WIDE BAND VIDEO PREAMPLIFIER
s CURRENT OUTPUT (up to 300mA)
s 120MHz (-3dB) BANDWIDTH
s 3nsec RISE/FALL TIME
s BRIGHTNESS AND CONTRAST DC CON-
TROLLED
s INTERNAL CLAMPING PULSE GENERATOR
s CONTRAST PRE-ADJUST FOR COLOR
MONITOR APPLICATION
s INTERNAL REFERENCE VOLTAGE GENER-
ATOR
s BLANKING PULSE INPUT
s POS/NEG SYNC POLARITY INPUT
PRELIMINARY DATA
DESCRIPTION
The TDA9201 is a wide band video amplifier in-
tended for high resolution monochrome or color
monitors.
The BRIGHTNESS and CONTRAST are DC con-
trolled.
The brightness loop includes a comparator gated
by an internally generated pulse.
Thanks to the contrast pre-adjust pin, this device is
well suited for color application too.
The output stage structure (A class current output),
allows to use a very cheap high voltage amplifier
using only one transistor.
PIN CONNECTIONS
POWERDIP20
(Plastic Package)
ORDER CODE : TDA9201
INPUT
CONTRAST PREADJUST
SUPPLY VOLTAGE
SMALL SIGNAL GROUND
BULK
BULK
POWER GROUND
OUTPUT
H-SYNC
BRIGHTNESS CAPACITOR
1
2
3
4
5
6
7
8
9
10
20 VOLTAGE REFERENCE
19 CONTRAST ADJUST
18 NOT CONNECTED
17 SMALL SIGNAL GROUND
16 BULK
15 BULK
14 POWER GROUND
13 OUTPUT
12 BLANKING INPUT
11 BRIGHTNESS ADJUST
September 1993
This advanced information on a ne w product now in de velopment or undergoing evaluation. Details are sub ject to ch ange without notice.
1/12
1 page  
TDA9201
Figure 2 : AC Test Circuit for BW and Rt/Ft
10nF
5kΩ
Probe
100 mVpp
5kΩ
10 nF
2.2kΩ 0.8V
Con trast
22 0µF
100 nF
470nF
1 0µF
240Ω
50Ω
1
50Ω
20
4
17
2
19 3
TDA9201
47 0µF
5V 100nF
5Ω
IOUT DC = 50mA (Bright.)
8 Probe
13
20Ω
14 100 pF
7
9 10
11 12 5 6 15 16
50Ω
50Ω 100nF
1.6V
5k Ω
Network/Spe ctrum Analyser
T/R
SR
HP4195A
10Hz -
500MHz
T
Probe Tektronix P6202A
10MΩ, 2pF DC to 500MHz
Probe Tektronix P6202A
10MΩ, 2pF DC to 500MHz
Figure 3 : Typical Gain versus Contrast Voltage
Characteristic
GAIN (dB)
10
0
-10 0dB = 125mA PP
-20 for VIN = 1V PP
-30
-40
-50 VCONT (V)
-60
0 0.5 1 1.5 2 2.5
Figure 4 : Vpreset versus Contrast Voltage
for 0dB
Vpre set (V)
3
0dB = 125mA PP
2.5 VIN = 0.5 VDC + 1 VPP
2
1.5 0dB contrast
as specified
1 in data-sheet
0.5 VCONT (V)
0
0.2 0.4 0.6 0.8
1
5/12
5 Page 
TDA9201
Figure 13 : Measurement Conditions
VH (+60V)
100nF
100V
100µF
100V
0.2µH
VS
(+5V)
3
I/I
TDA9201
360Ω
4W
2SC3596
5Ω
8
13 20Ω
14 100pF
7
100Ω 10pF Capacitor Bridge
VOUT
10pF
10MΩ
PROBE
TEKTRONIX P6137
with oscilloscope
400MHz
11/12
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet TDA9201.PDF ] | |
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