參數資料
型號: Q67107-H5167-A703
廠商: SIEMENS AG
英文描述: DDC-PLUS-Deflection Controller
中文描述: DDC的加偏轉控制器
文件頁數: 26/47頁
文件大?。?/td> 237K
代理商: Q67107-H5167-A703
SDA 9361
Semiconductor Group
26
1998-02-01
Vertical EHT Compensation
This item controls the influence of the beam current dependent input signal ABL on the
outputs VD+ and VD- according to the following equation:
(if RABL = 0)
(if RABL = 1)
V
VDPP
: variation of VD+ and VD- peak-to-peak voltage
V
ABL
: variation of ABL input voltage
1)
The factor 0.57 depends on
V
REFP
,
V
REFH
,
V
REFL
If
Vertical EHT Compensation
= 0 the outputs VD+ and VD- are independent of
the input signal ABL.
Horizontal EHT Compensation
This item controls the influence of the input signal ABL on the output E/W according to
the following equation:
(if RABL = 0)
(if RABL = 1)
V
EW
: variation of E/W output voltage
V
ABL
: variation of ABL input voltage
1)
The factor 2.12 depends on
V
REFP
,
V
REFH
,
V
REFL
If
Horizontal EHT Compensation
= 0 the output E/W is independent of the input
signal ABL.
AFC EHT Compensation
Deviation of the horizontal phase caused by high beam current (e.g. white bar) can be
eliminated by this control item. The beam current dependent input signal ABL is
multiplied by
AFC EHT Compensation
.
V
VDPP
V
ABL
*
Vertical EHT compensation
512
------------------------------------------------------------------------ * 0,57
1
)
=
V
VDPP
V
ABL
*
Vertical EHT compensation
2048
------------------------------------------------------------------------ * 0,57
1
)
=
V
EW
V
ABL
*
Horizontal EHT compensation
128
---------------------------------------------------------------------------------- * 2,12
1
)
=
V
EW
V
ABL
*
Horizontal EHT compensation
512
---------------------------------------------------------------------------------- * 2,12
1
)
=
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