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