TBA1440G ,Video IF ICVideo IF IC for TBA 1440 G
BlaekfWhite and Color TV Sets
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TBA1440G
Video IF IC
Video IF IC for TBA 1440 G
Black/White and Color TV Sets
Bipolar IC
Type 1 Ordering code l Package
TBA 1440 G l Cl67000-A1022 I DIP 16
Highly amplifying controlled video IF amplifier including controlled demodulator, low-ohmic
video outputs for positive and negative signal, gated control, and delayed tuner control.
TBA 1440 G for PNP tuners
Featu res
0 High integration
0 Large control range
0 High input sensitivity
0 Minimal1.07 MHz disturbance
o Positive and negative sig nal
O Separate adjustment for white and black levels
o Excellent tuning behavior
Maximum ratings
Supply voltage Vs 151) V
Voltages V4 5 V
Vs 20 V
V14 5 V
Ohmic resistance between pin 8 and 9 Fig.9, 3 20 n
Junction temperature T 160 °C
Storage temperature range Tstg -40 to 125 "
Thermal resistance (system-air) RmSA 90 KM
Operating range
Supply voltage VS 10.5 to 15 V
Ambient temperature TA --25 to 60 'C
l) intermittently 16.5 V
TBA 1440 G
Characteristics
V13 =13 V; fa”: = 38.9 MHz; TA =25°C;
(all data measured with respect to ground, unless otherwise stated)
min typ max
Current consumption Je 33 42 61 mA
DC voltage at output 11
V13 =15 V; v, == 0
R14_3 sit, oo V11 5.5 V
R14-3 - 0 V11 9.6 V
DC voltage at output 12
V13 =15 V; Va - 0
R14-3 == °° V12 1 .9 V
R144; - 0 V12 . V
White level deviation Avn/A ve 100 mV/V
AV12/AV13 20 mV/V
Resistance for AV“ =1 V R144; 8.5 k0
AGC threshold V10 == sync pulse level
forR10_11=0 V10=V11 1.9 V
Resistance for sync pulse level
deviation of1 V R1041 2.4 RC)
Sync pulse level with async
or without gating pulses V115ync 0.5 V
(peak level control)
Video output voltage _ vvideo 3.0 V
Control current for tuner prestage (Vs > 2 V Is 10 15 mA
(10 dB after AGC)
IF control voltage for max gain V4 0 0.5 V
for min gain V4 2.5 5 V
Gating pulse voltage -v, 2 5 V
Residual IF (basic frequency) Vu,' V12 10 mV
Output current to ground he; I12 5 mA
to plus 111; I12 -1 mA
Input impedance at max gain 21-16 1.8/2 kQ/pF
at min gain Z146 1.9/0 kQ/pF
Input voltage‘) for VIpp == 3 V Vi 70 100 200 pV
Video bandwidth (-3 dB) Bvideo 6 7 MHz
AGC range AG 55 dB
Intermodulation ratio (1.07 MHz) with
reference to fee” a 45 dB
Output impedance Z, 8-9 2/2.5 kQ/pF
1) According to test circuit: " - rms sync pulse level at 60 C,
2) Test level acc - -- 3 dB
asc ‘5 -20 dB referred to picture carrier
. (sound-color-beatfrequency)
