
TB1261F/TB1262F
2002-6-30 28 / 66
ITEM
SYMBOL
TEST
CIRCUIT
TEST
COND
ITON
MIN
TYP
MAX
UNIT
1ST SIF STAGE
SIF maximum input signal
v
in max(s)1
in; #75,76
S1
100
110
-
dB(uV)
SIF minimum input signal
v
in min(s)1
in(uc); #79,80
-
40
50
dB(uV)
SIF gain control range
R
AGC(s)1
out; #71
50
70
-
dB
2nd SIF output level
vSIF1
100
103
106
dB(uV)
SIF input resistance(*)
Z
in R(s)
in; #75,76
S2
-
10
-
kΩ
SIF input capacitance(*)
Z
in C(s)
out; #75,76
-
5
-
pF
AM sound
AM input sensitivity
vin minAM
in; #75,76
S3
-
40
50
dB(uV)
AM maximum input level
vin maxAM
in(uc); #79,80
100
110
-
2nd SIF output level (L)
vSIF L
100
103
106
dB(uV)
AF output signal amplitude (AM)
vDet(s)AM
out; #65
S4
375
500
665
mVrms
AF output S/N (AM)
S/N(s)AM
48
54
-
dB
Total harmonics distortion (AM)
THDAM
-
0.7
3.0
%
2nd SIF stage
AF output signal amplitude(5.5MHz)
vDet(s)5.5M
in; 73
695
927
1236
mVrms
AF output S/N (5.5MHz)
S/Ns)5.5M
out; 71
55
60
-
dB
Total harmonics distortion (5.5MHz)
THD5.5M
S5
-
0.3
1.0
%
AF output signal amplitude (6.0MHz)
vDet(s)6.0M
695
927
1236
mVrms
AF output S/N (6.0MHz)
S/N(s)6.0M
55
60
-
dB
Total harmonics distortion (6.0MHz)
THD6.0M
S6
-
0.3
1.0
%
AF output signal amplitude (6.5MHz)
vDet(s)6.5M
695
927
1236
mVrms
AF output S/N (6.5MHz)
S/N(s)6.5M
55
60
-
dB
Total harmonics distortion (6.5MHz)
THD6.5M
S7
-
0.3
1.0
%
AF output signal amplitude (4.5MHz
Low)
vDet(s)4.5M
L
350
500
710
mVrms
AF output S/N (4.5MHz Low)
S/N(s)4.5ML
52
58
-
dB
Total harmonics distortion (4.5MHz Low)
THD4.5ML
S8
-
0.3
1.0
%
AF output signal amplitude (4.5MHz
High)
vDet(s)4.5M
H
649
927
1324
mVrms
AF output S/N (4.5MHz High)
S/N(s)4.5M
H
52
58
-
dB
Total harmonics distortion (4.5MHz
High)
THD4.5MH
S9
-
0.3
1.0
%
Limiting sensitivity (4.5MHz Low)
lim(s)4.5ML
40
45
(4.5MHz High)
im(s)4.5MH
-
45
50
(5.5MHz)
lim(s)5.5M
-
40
45
(6.0MHz)
lim(s)6.0M
-
40
45
(6.5MHz)
lim(s)6.5M
S10
-
45
50
dB(uV)
AM reduction ratio (4.5MHz High)
AMR4.5MH
50
55
-
(4.5MHz Low)
AMR 4.5ML
50
55
-
dB
(5.5MHz)
AMR5.5M
50
60
-
dB
(6.0MHz)
AMR6.0M
50
60
-
(6.5MHz)
AMR6.5M
S11
50
60
-
dB
Demodulation band width of the FM
demodulator (Upper 1)
fpH(s)1
S12
130
-
kHz
Demodulation band width of the FM
demodulator (Lower1)
fpL(s)1
-
-130
VIDEO STAGE
Y Input Dynamic Range
Y1 in
in; #61
V1
0.9
1.0
-
V(p-p)
Y Delay time
(PAL NTSC)
tYDELP
out; #53
V2
350
440
530
ns
(SECAM)
tYDELS
570
680
790
(000)
tYDEL-120
-80
-120
-160
ns
(111)
tYDEL160
120
160
200
1step
tYDEL step
30
40
50
Chroma Trap Gain
3.58MHz
GTRAP358
V3
-
-27
-23
dB
4.43MHz
GTRAP443
-
-27
-23
Y gain (Y)
G Y1
V4
5.0
5.5
6.0
d
B
Y frequency response
FRY
V5
5.5
8.0
-
MHz
GTV1
in;#61 / out;#53
5.5
6
6.5
dB
GTV2
in;#55 / out;#53
5.5
6
6.5
dB
Mon out gain (MON)
(Y1/CVBS1)
(Y2/CVBS2)
(Y3/CVBS3)
GTV3
in;#44 / out;#53
V6
5.5
6
6.5
dB
Y frequency response
FRY
in;#61 / out;#53
V7
5.5
8.0
-
MHz