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KB2512

DEFLECTION PROCESSOR FOR MULTISYNC MONITORS

Samsung 

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

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