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NTE7047 Datasheet, PDF (1/8 Pages) NTE Electronics – Integrated Circuit TV Color Small Signal Sub System
NTE7047
Integrated Circuit
TV Color Small Signal Sub System
Features:
D Vision IF Amplifier with Synchronous Demodulator
D Automatic Gain Control (AGC) Detector Suitable for Negative Modulation
D AGC Tuner
D Automatic Frequency Control (AFC) Circuit with Sample–and–Hold
D Video Preamplifier
D Sound IF Amplifier and Demodulator
D DC Volume Control or Separate Supply for Starting the Horizontal Oscillator
D Audio Preamplifier
D Horizontal Synchronization Circuit with Two Control Loops
D Vertical Synchronization (Divider System) and Sawtooth Generation with Automatic Amplitude
Adjustment for 50Hz and 60Hz
D Transmitter Identification (Mute)
D Generation of Sandcastle Pulse
Absolute Maximum Ratings:
Supply Voltage (Pin7), VP = V7–6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.2V
Total Power Dissipation, Ptot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.3W
Operating Ambient Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –25° to +65°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –25° to +150°C
Electrical Characteristics: (TA = +25°C, VP = V7–6 = 12V, carrier 38.9MHz, negative modulation
unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Supplies
Supply Voltage Range (Pin7)
Supply Current (Pin7)
Start Current (Pin11)
Start Voltage Horizontal Oscillator
Start Protection Level
V7–6
I7
I11
V11
V11
At no input
Note 1
I11 = 12mA
9.5 12.0 13.2 V
75 125 165 mA
– 6.5 9.0 mA
9.5 –
–
V
–
– 16.5 V
Note 1. Pin11 has a double function. When during switch–on a current of 9mA is supplied to this pin,
it is used to start the horizontal oscillator. The main supply can then be obtained from the
horizontal deflection stage. When no current is supplied to this pin it can be used as a volume
control.