NTE1296 Просмотр технического описания (PDF) - NTE Electronics
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NTE1296 Datasheet PDF : 2 Pages
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NTE1296
Integrated Circuit
TV Chroma Processor/Demodulator
Features:
D No AGC or Killer Adjustment Necessary
D Transformerless VCO
Absolute Maximum Ratings: (TA = +25°C, unless otherwise specified)
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V
Power Dissipation (TA = +65°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 600mW
Operating Temperature Range, Topg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −15° to +65°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55° to +125°C
Electrical Characteristics: (TA = +25°C, VCC = 12V unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Supply Current
ICC
23.7 29.0 37.2 mA
Max. Chroma Output
Ec Burst:Chroma = 1:1, Burst = 90mVp−p 0.57 0.67 0.77 Vp−p
ACC Range
EA Burst:Chroma = 1:1, Burst = 10mVp−p 0.38 0.55 0.74 Vp−p
Killer Threshold
EK Burst 90mVp−p = 0dB
− −35 − dB
Phase Detector Sensitivity
µ Gate Pulse Width = 5µs
− 8 − mV/deg
VCO Control Sensitivity
β
− 4 − Hz/mV
APC Pull−In Range
Free−Running Frequency
VCO Output
Max. Burst Output Voltage
Demod Conversion Gain
Demod Conversion Ratio
fP
fo
V4
Eb(max)
Gr−y
Eb−y/Er−y
Eg−y/Er−y
Gate Off
B−Y Output, f(beat) = 10kHz
R−Y Output
B−Y Output, R−Y Output
(R−y) − (B−Y) = 100deg.
G−Y/R−Y Output
±300 − −
−100 0 100
0.6 0.9 1.2
4.5 6.2 −
6.2 7.8 9.4
1.19 1.33 1.47
0.32 0.37 0.42
Hz
Hz
Vp−p
Vp−p
Demod Carrier Leakage
ecar1 No Signal Input measured with
3.58MHz BPF
−
− 0.2 Vp−p
ecar2 1.2Vp−p CW input measured with BPF − − 3.5 Vp−p
Color Killer Leakage
Color Control Leakage
eK1 Bursy:Chroma = 1:1
ec1 Rainbow Color Bar
−
−
1 mVrms
−
−
1 mVrms
Demod. DC Output Voltage Eo(dc) No signal input, VCO free−running 6.4 7.0 7.6 V
Differential Demod
Output Voltage
∆Eo(dc) No signal input, VCO free−running
(B−Y) − (R−Y), (R−Y) − (G−Y),
−0.2 0 0.2 V
(G−Y) − (B−Y)
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