KB2512
DEFLECTION PROCESSOR FOR MULTISYNC MONITORS
Table 9. Horizontal Section Electrical Characteristics (Continued)
Parameter
Symbol
Conditions
Min Typ
Horizontal drive output duty-cycle
Sub-address 00
(pin 26) (see 1)
Low level
High level
HDmin Byte xxx11111
30
HDmax Byte xxx00000 (see 2)
60
X-RAY protection input threshold
XRAYth Pin 25 (see 12)
8
voltage
Internal clamping levels on 2nd PLL
Vphi2 Low level
1.6
loop filter (pin 4)
High level
4.0
Threshold voltage to stop H-out, V-out, VSCinh Pin 29
7.5
B-out and XRAY when VCC < VSCinh
Threshold voltage to stop H-out, V-out, VSDinh Pin 32
4.0
B-out and reset XRAY when VDD <
VSDinh
Horizontal drive output (low level)
HDvd
Pin 26 IOUT = 30mA
VERTICAL DYNAMIC FOCUS FUNCTION (POSITIVE PARABOLA)
Bottom DC output level
HDFDC RLOAD = 10KΩ, Pin 10
2
DC output voltage thermal drift (see 17)
TDHDF
200
Vertical dynamic focus parabola
AMPVDF Sub-address 0F
amplitude with VAMP and VPOS typical
Min. Byte 000000
0
Typ. Byte 100000
0.5
Max. Byte 111111
1
Parabola amplitude function of VAMP VDFAMP Sub-address 05
(tracking between VAMP and VDF) with
Byte 10000000
0.6
VPOS typ. (Figure 1) (see 3)
Byte 11000000
1
Byte 11111111
1.5
Parabola asymmetry function of VPOS VHDFKeyt Sub-address 06
control (tracking between VPOS and
VDF) with VAMP Max.
Byte x0000000
0.52
Byte x1111111
0.52
Max
0.4
Unit
%
%
V
V
V
V
V
V
V
ppm/C
Vpp
Vpp
Vpp
Vpp
Vpp
Vpp
Vpp
Vpp
11