NTE NTE1572, NTE1570 Datasheet
NTE1570 (NPN Tuner) & NTE1572 (FET Tuner)
Integrated Circuit
TV Video IF, Sound IF
Functions:
PIF
D Three Controlled IF Amplifier Stages
D Video Demodulator Controlled by Picture Carrier
D Black Noise and White Noise Inverter
D Peak AGC
D DC Amplifier for RF AGC Out
Features:
D PIF, SIF, ATT Audio Driver
D 2 Chip Color TV System is Possible with NTE1547
SIF
D Three Differential IF Amplifier Stages
D Phase Detector
D DC Controlled Attenuator
D Audio Amplifier Stage with NFB Terminal
PIF
D High Gain, Wide Band IF Amplifier
D AGC Characteristics with Excellent Stability
SIF
D Excellent Limiter Charactristics
D Excellent Attenuato Characteristics
D Excellent DG/DP Characteristics
D Excellent S/N Chracteristics due to Delayed 3
Stage AGC Action
D Negative Video Output Signal
D Switch Off the Video Part with VTR Switch
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Supply Voltage, V
Pin11 Open Voltage, V
Video DC Output Current, I
Audio DC Output Current, I
Pin2 Voltage, V
Power Dissipation, P
CC
11
15
3
2
D
Derate Above 25°C 12.8mW/°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Temperature Range, T
Storage Temperature range, T
opr
stg
15V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.6W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–20° to +65°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–55° to +150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics: (TA = +25°C, VCC = 12V, fp = 58.75MHz, fS = 54.25MHz)
Parameter Symbol Test Conditions Min Typ Max Unit
PIF Section
Recommended Supply Voltage V
Supply Current I
CC
CC
Video DC Output Voltage
NTE1570
V
15
SW1: 2, SW2: 2 5.2 5.5 5.8 V
NTE1572 SW1: 1, SW2: 2
AFT DC Output Voltage
NTE1570 V
13
SW1: 2, SW2: 2 5.3 6.8 8.3 V
NTE1572 SW1: 1, SW2: 2
NTE1570 V
14
SW1: 2, SW2: 2
NTE1572 SW1: 1, SW2: 2
AFT DC Offset Voltage
NTE1570 ∆V
13–14
SW1: 2, SW2: 2 –1.5 0 +1.5 V
NTE1572 SW1: 1, SW2: 2
RF AGC Residual Output Voltage
NTE1570 V
11(sat)
SW1: 2, SW2: 2 – – 0.5 V
NTE1572 SW1: 1, SW2: 2
RF AGC Leakage Current
NTE1570 I
11(leak)
SW1: 2, SW2: 1 – – 1.0 µA
NTE1572 SW1: 1, SW2: 1
10.8 12.0 13.2 V
50 72 95 mA
Video Sensitivity (Pin7–Pin8) v
AGC Range ∆A
Sync Tip Level Voltage (V15) V
Maximum IF Input Voltage (PIF) i
SYNC
IN(MAX)
White Noise Threshold Level (V15) V
White Noise Clamp Level (V15) V
Black Noise Threshold Voltage (V15) V
Black Noise Clamp Level (V15) V
Video Frequency Response f
PIF
WTH
WCL
BTH
BCL
BW
Note 1 60 150 250 µV
i
Note 2 60 64 – dB
Note 3 2.3 2.5 2.7 V
Note 4 100 120 – mV
Note 5 5.8 6.2 6.6 V
Note 5 3.7 4.1 4.5 V
Note 5 1.4 1.6 1.8 V
Note 5 2.9 3.3 3.7 V
Note 6 4.5 5.5 – MHz
rms
Suppression of Carrier CL Note 7 40 50 – dB
Suppression of 2nd Carrier I
920kHz Beat Level I
2nd
920
Note 8 40 50 – dB
Note 9 33 38 – dB
Differential Phase DP Note 10 – 3.5 5.0 deg
Differential Gain DG Note 10 – 7 10 %
PIF Input Impedance R
PIF Input Capacitance C
IN(PIF)
IN(PIF)
Note 11 1.5 3.0 6.0 kΩ
Note 11 – 3 10 pF
AFT Output Voltage
Upper V
Lower V
13U
13L
, V
, V
Note 13 11.7 11.9 12.0 V
14U
14L
1.8 2.3 2.8 V
rms
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