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NTE791

NTE Electronics
Part Number NTE791
Manufacturer NTE Electronics
Description Integrated Circuit TV Chroma Amplifier Demodulator
Published May 12, 2005
Detailed Description NTE791 Integrated Circuit TV Chroma Amplifier Demodulator Description: Compromised of an independent 2–stage chroma ampl...
Datasheet PDF File NTE791 PDF File

NTE791
NTE791

Overview
NTE791 Integrated Circuit TV Chroma Amplifier Demodulator Description: Compromised of an independent 2–stage chroma amplifier, chroma demodulators, resistor matrix, and color difference amplifiers.
The NTE791 monolithic silicon integrated circuit is one of two blocks required for a complete color television receiver chroma system.
The chroma amplifiers contain the necessary circuitry for automatic chroma control and color–killer sensing and control.
The demodulators and resistor matrix reconstruct the G–Y color chain to bypass unwanted harmonics.
The high–level emitter follower outputs are current limited for short–circuit protection.
Features: D DC Chroma Gain Control D Improved Filtering for Harmonic Reduction D Output Short–Circuit Current Limiting D Self–Contained Bias Regulator D Low Thermal Drift, Typically 1mV/°C D Doubly Balanced Demodulation Absolute Maximum Ratings: Operating Temperature Range, TA .
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–40° to +85°C Storage Temperature Range, Tstg .
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–65° to +150°C Maximum Voltage and Current Ratings (TA = +25°C) .
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See Table Current in mA Pin # 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Voltage Range in Volts 0 to +16 – 0 to VCC – reference 0 to VCC 0 to +15 0 to +15 0 to VCC 0 to VCC 0 to VCC 0 to +30 0 to +10 0 to VCC 0 to +16 0 to +16 Input – 2.
0 1.
0 2.
0 1.
0 – – – 0 0 0 50 – – – – Output – – 10 – 50 – – – Note 1 Note 1 Note 1 1.
0 – – – – Note 1.
Maximum continuous current output is 20mA and is limited by package power dissipation.
Short circuit current is typically 50mA.
Static Electrical Characteristics: (TA = +25°C, VCC = 24V, Note 2 unless otherwise specified) Parameter Supply Current Input D–C Voltage Chroma Demod R–Y Inj.
B–Y Inj.
Amplifier No.
1 Amplifier No.
2 Output DC Voltage Amplifier No.
1 Pins 12 13 8 7 2 4 3 V1 = V14 (ACC at 1/2 Max...


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