參數(shù)資料
型號： TB1261F
廠商： Toshiba Corporation
英文描述： TOSHIBA BiCMOS INTEGRATED CIRCUIT, SILICON MONOLITHIC
中文描述： 東芝的BiCMOS集成電路，硅單片
文件頁數(shù)： 51/66頁
文件大小： 1544K
代理商： TB1261F
TB1261F/TB1262F
2002-6-30 51 / 66
DEF STAGE
Note
D1
Items/Symbols
AFC Inactive Period
/ T
50AFCOFF
/ T
60AFCOFF
H-OUT Start Voltage
/ V
HON
Bus
conditions
All: Preset
Measurement methods
(1) Input a 50Hz/60Hz composite sync signal into Pin61.
(2) Measure "T
50AFCOFF
" / "T
60AFCOFF
" at Pin43. (cf. Fig.D1)
D2
All: Preset
(1) Let Pin11, 25, 67and 74 be open.
(2) Increasing Pin45 voltage, measure the voltage at which H
OUT pulse appears at Pin39, that is "V
HON
".
(1) Measure t
HOUT1
& t
HOUT2
at Pin39.
(2) Calculate ;"W
HOUT
"=t
HOUT1
/(t
HOUT1
+t
HOUT2
)*100
D3
H-OUT Pulse Duty
/ W
HOUT
All: Preset
command IIC read
t
HOUT1
t
HOUT2
D4
H-OUT Freq. on AFC
Stop Mode
/ F
HAFCOFF
Horizontal
Free-run Frequency
/ F
HFR
Horizontal
Variable Range
/ F
HMAX
/ F
HMIN
Horizontal
Control Sensitivity
/
β
HAFC
AFC
(OFF)
Others: Preset
V-Freq:001/010
Others: Preset
Gain:11
(1) Input a 50Hz composite sync signal into Pin61.
(2) Measure the H OUT frequency at Pin32, that is
"F
HAFCOFF
".
(1) Measure the H OUT frequency at Pin61, that is "F
H50FR
"
/ "F
H60FR
".
D5
D6
Freq.
All: Preset
(1) Connect Pin43 to Vcc via a 10k
Ω
and measure the H OUT
frequency at Pin39, that is "F
HMIN
".
(2) Connect Pin43 to GND via a 68k
Ω
and measure the H
OUT frequency at Pin39, that is "F
HMAX
".
(1) Measure the Pin39 voltage at which H OUT frequency is
15.734kHz, that is V
H15734
.
(2) Measure the H OUT frequency when Pin43 voltage is
V
H15734
+ 50mV /V
H15734
- 50mV, that is F
HLOW
/ F
HHIGH
.
(3) Calculate;"
β
HAFC
"=(F
HHIGH
-F
HLOW
)/100
(1) Input a composite sync signal into Pin61.
(2) Decreasing the horizontal frequency from 17kHz, measure
the frequency at which H OUT synchronized with Sync
in(Pin61), that is F
HPH
.
(3) Increasing the horizontal frequency from 14kHz, measure
the frequency at which H OUT synchronized with Sync
in(Pin61), that is F
HPL
.
(4) Calculate; "
Δ
F
HPH
"=F
HPH
-15734
"
Δ
F
HPL
"=15625-F
HPL
(1) Measure the high level of H OUT at Pin39, that is
"V
HOUTH
".
(2) Measure the low level of H OUT at Pin39, that is "V
HOUTL
".
(1) Measure the H OUT frequency when H Vcc(Pin45) is
8.5V/9.5V, that is F
HVCCH
/F
HVCCL.
(2) Calculate;"
Δ
F
HVCC
"=(F
HVCCH
-F
HVCCL
)/1
(1) Input a composite sync signal into Pin61.
(2) According to the following figure, measure "PH
FBP
" &
"PH
HSYNC
".
63.5
μ
s
D7
Freq.
All: Preset
D8
Horizontal Pull-in
Range
/
Δ
F
HPH
/
Δ
F
HPL
All: Preset
D9
H-OUT Voltage
/ V
HOUTH
/ V
HOUTL
Horizontal Freq.
Dependence on Vcc
/
Δ
F
HVCC
FBP Phase
/ PH
FBP
H-Sync. Phase
/ PH
HSYNC
All:
Preset
D10
All: Preset
D11
All: Preset
Sync in(Pin61)
H AFC(Pin43)
FBP in(Pin37)
4.7
μ
s
PH
FBP
PH
HSYNC
0.25V
a
a/2
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