Philips Semiconductors
Product specification
Economy Autosync Deflection Controller
(EASDC)
TDA4858
Vertical and EW adjustments
MBG591
MBG590
handbook, halfpage
handbook, halfpage
V
I
EWDRV
VOUT1
I
VOUT2
V
PAR(EWDRV)
(1)
∆l
∆l
2
1
t
t
(1) ∆I1 is the maximum amplitude setting at VAMP (pin 18); VPOS
centred and VSCOR = 0%.
∆I2
∆VAMP = ------- × 100%
∆I1
∆EWPAR = 0 to VPAR(EWDRV)
.
Fig.4 VEWDRV as a function of time.
Fig.3 IVOUT1 and IVOUT2 as functions of time.
MBG592
MBG593
handbook, halfpage
handbook, halfpage
V
I
EWDRV
VOUT1
I
VOUT2
(1)
∆l
∆l
2
1
V
DC(EWDRV)
t
t
(1) ∆I1 is VPOS adjustment centred; maximum amplitude setting at
VAMP (pin 18).
∆I2 – ∆I1
∆VPOS = --------------------- × 100%
2 × ∆I1
∆EWWID = 0 to VDC(EWDRV)
.
Fig.6 VEWDRV as a function of time.
Fig.5 IVOUT1 and IVOUT2 as functions of time.
1997 Oct 27
22