VF

UP

S_CORRECTION = 1111

Original Sawtooth

(SCOMIN)

VF

LOW

∆V

SAW

∆V

SAW

S-Correction

Sawtooth

TF

MID

VDC

Fix Points

Points of

Max. Deviation

72

127 167 207 262

Approximative

Line Number

S_CORRECTION = 0000

Max. Corrected

Sawtooth (SCOMAX)

Figure 3

V

SAW

Vertical

Sawtooth

V

SAWB

V

MID

Figure 4

16

R0

2xR0

15

R0

2x R0

V

MID

V

SAW

14

V

BRIDGE

(~13V)

R

SENS

Transconductance

Amplifier

SENSP

SENSM

FROUT

C

STAB

V

Vertival YOKE

Vertical

Power

Amplifier

STV2145

C

Figure 5

13

5k

Ω

Error Amplifier

EWOUT

STV2145

Test circuit : all measurement values

are related to this test circuit, measured at Pin EWIN.

All East-West values below are depending

on the following settings :

V_AMPLITUDE = (1111111) and no breathing

(Pin BREATH at V

12

EWIN

100nF

1k

Ω

V

CC

Figure 6

V

DC

V

(see Note 5)

V

PAR

V

V

(Line 167 for 50Hz)

Parabola Outside

of Fix Points

Amplitude defined for the Fix points VF

(definition see : vertical ramp generator).

Note : valid for all following definitions of parabola amplitude :

between EW_AMPLITUDE = mon. and max. there is a

linear progression in the amplitude V

Figure 7

STV2145

11/17