參數(shù)資料
型號(hào): TB1261F
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP80
封裝: 14 X 20 MM, 0.80 MM PITCH, PLASTIC, QFP-80
文件頁數(shù): 20/66頁
文件大小: 1538K
代理商: TB1261F
TB1261F/TB1262F
2002-6-30 27 / 66
Characteristics
Symbol
Test
Circuit
Test Condition
Min
Typ.
Max
Unit
57
Cr2/R in
V57
2.0
3.0
4.0
V
58
C1 in
V58
1.5
2.5
3.5
V
59
YS
V59
0
0.25
V
61
Y1/CVBS1 in
V61
at sync tip in non-selected
at 35%of sync in selected
1.8
2.2
V
62
DC RESTORE
V62
on input 50IRE Y signal
1.5
2.5
3.5
V
65
De-Emp/Mon OUT
V65
1
4.1
8
V
69
LOOP FILTER
V69
1.2
2.2
3.2
V
71
SIF OUT
V71
1.0
2.0
3.0
V
73
SIF in / H corr.
V73
3.0
V
75
SIF in(1)
V75
1.0
2.0
3.0
V
76
SIF in(2)
V76
1.0
2.0
3.0
V
79
PIF in(1)
V79
1.0
2.0
3.0
V
80
PIF in(2)
V80
1.0
2.0
3.0
V
AC CHARACTERIS
AC CHARACTERISTIC
TIC
PIF
PIF STAGE
STAGE
ITEM
SYMBOL
TEST
CIRCUIT
TEST
COND
ITON
MIN
TYP
MAX
UNIT
PIF STAGE
Video output signal amplitude
Nega
V Det (p)n
in; #79,80
2.0
2.2
2.4
Posi
V Det (p)p
out; #68
P1
2.0
2.2
2.4
V
PIF input sensitivity
vin min(p)
-
42
47
PIF maximum input signal
vin max(p)
100
105
-
dB(uV)
PIF gain control range
RAGC(p)
P2
53
63
-
dB
Synchronous signal level
Nega
Vsync n
2.6
2.8
3.0
Posi
Vsync p
P3
2.6
2.8
3.0
V
Differential gain
DG
-
2
5
%
Differential phase
DP
P4
-
2
5
deg
Video bandwidth (-3dB)
fDet(p)
P5
6
8
-
MHz
Video output S/N
S/N(p)
P6
54
60
-
dB
Inter Modulation
I M
P7
34
40
-
dB
PIF input resistance (*)
Zin R(p)
in; #79,80
P8
-
3
-
PIF input capacitance (*)
Zin C(p)
out; #79,80
-
pF
RF AGC output voltage
max
VAGC max
in; #79,80
9.0-
-
min
VAGC min
out; #78
P9
-
0.3
V
RF AGC delay point
min
v Dly min
-
70
80
max
v Dly max
P10
100
110
-
dB(uV)
Capture range of the PLL
Upper
fpH(p)
in; #79,80
1.4
1.7
-
Lower
fpL(p)
out; #68
-
-1.7
-1.4
Hold range of the PLL
Upper
fhH(p)
1.4
1.7
-
Lower
fhL(p)
P11
-
-1.7
-1.4
MHz
Control steepness of the VCO
β
in; #79,80
out; #69
P12
-
3.0
-
MHz/V
AFT Center turn Frequency
fAFTC
in; #79,80
P13
0
MHz
AFT window
narrow
fAFTW(n)L
out; BUS (r)
P14
-50
kHz
fAFTW(n)H
50
Wide
fAFTW(w)L
-200
fAFTW(w)H
200
S-trap reduction
in; #79,80
out; #68
P15
-30
-24
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