AN96A07K Datasheet, PDF (8/10 Pages) Panasonic Semiconductor – Dynamic Focus Controller IC for CRT Monitor

ICs for TV
AN96A07K
s Pin Descriptions (cont.)
Pin No.
Pin name
Waveform
fV
11V
16
Ver. parabola
output
4V
17 Holding
Smoothed voltage
(3 to 11V)
Dynamically variable
Ver. system
18 reference bias
output
DC (2.0V)
Equivalent circuit
VCC
Function
16
10kΩ
200Ω
1.4mA
2mA
VCC
1.4kΩ
17
1kΩ
1.4kΩ
4V
0.1mA
Output of vertical parabola
waveform
18.4kΩ
Control pin of the charging
current of vertical-system
triangular-waveform
Dynamically changable with
fV .
VCC
200Ω
18
3kΩ
Reference bias of vertical
system (2V)
Triangular
19 generation
capacitor
Oscillation
20 prevention
capacitor
Oscillation
21 prevention
capacitor
fV
4V
VCC
1.4kΩ
6V
19
400Ω ^200Ω
2V
0.2mA
18
VCC
0.5mA
20
200Ω 10kΩ
4V
0.1mA
fV
4V
2.5V
VCC
1.4kΩ
21
200Ω
2kΩ
4V
1.4mA
Triangular waveform-gen-
eration capacitor
The discharging current of
triangular waveform sinks
into the 2V reference volt-
age source (Pin18).
Oscillation-prevention
capacitor
If the parabola output oscil-
lates, a capacitor of several
10pF must be connected
between this pin and Pin21.
Oscillation-prevention
capacitor
If the parabola output oscil-
lates, a capacitor of several
10pF must be connected
between this pin and Pin20.