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TDA4800 Просмотр технического описания (PDF) - Philips Electronics
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Компоненты Описание
производитель
TDA4800
Vertical deflection circuit for monitor applications
Philips Electronics
TDA4800 Datasheet PDF : 16 Pages
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Philips Semiconductors
Vertical deflection circuit for monitor
applications
TEST AND APPLICATION INFORMATION
Product specification
TDA4800
handbook, full pagewidth
SYNC
CIRCUIT
OSCILLATOR
TDA4800
BLANKING
PULSE
GENERATOR
+
2 V
RAMP BUFFER
GENERATOR STAGE
PRE-
AMPLIFIER
GUARD
CIRCUIT
POWER
OUTPUT STAGE
THERMAL AND
SOAR PROTECTION
VOLTAGE
STABILIZER
FLYBACK
GENERATOR
FREQUENCY
DETECTOR
1
2
3
100 nF
330 k
Ω
(frequency)
100
k
Ω
15 k
Ω
47 nF
4
5
6
7
8
9 10 11
47 k
Ω
47 k
Ω
100 k
Ω
100
µ
F
100
nF
1N4148
linearity
vertical
deflection
unit
10 k
Ω
6.5
Ω
15 k
Ω
10
µ
F
4.7 k
Ω
6.5
mH
560
Ω
(0.5 W)
2200
µ
F
BAX18
100
nF
100
100
µ
F
nF
5.6
3.3
Ω
Ω
(4 W)
12
180
k
Ω
(R)
562 k
Ω
13
frequency
criterion
50 Hz: low
60 Hz: high
10
nF blank pulse
(C) duration:
tbl = R
×
C
×
Ln2
or
sync input
blank
output
amplitude
2.2 k
Ω
100
Ω
120
Ω
0.82
Ω
(0.5 W)
1.5 k
Ω
100 nF
Vamplitude
VP2 = 23 V
MHA589
1997 Mar 27
Fig.4 Test and application circuit.
9
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