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PDF NTE1572 Data sheet ( Hoja de datos )
| Número de pieza | NTE1572 | |
| Descripción | Integrated Circuit TV Video IF / Sound IF | |
| Fabricantes | NTE | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de NTE1572 (archivo pdf) en la parte inferior de esta página. Total 5 Páginas | ||
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NTE1570 (NPN Tuner) & NTE1572 (FET Tuner)
Integrated Circuit
TV Video IF, Sound IF
Functions:
PIF
SIF
D Three Controlled IF Amplifier Stages
D Three Differential IF Amplifier Stages
D
D
Video Demodulator Controlled by Picture Carrier
Black Noise and White Noise Inverter
D
Phase Detector
D Peak AGC
D DC Controlled Attenuator
D DC Amplifier for RF AGC Out
D Audio Amplifier Stage with NFB Terminal
Features:
D PIF, SIF, ATT Audio Driver
D 2 Chip Color TV System is Possible with NTE1547
PIF SIF
D High Gain, Wide Band IF Amplifier
D Excellent Limiter Charactristics
D AGC Characteristics with Excellent Stability 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, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V
Pin11 Open Voltage, V11 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V
Video DC Output Current, I15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6mA
Audio DC Output Current, I3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3mA
Pin2 Voltage, V2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V
Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.6W
Derate Above 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12.8mW/°C
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +65°C
Storage Temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C
1 page  
Notes (cont’d):
Note18. Output Impedance
(1) SIF IN: f = 4.5MHz, FM fMOD = 400Hz, ∆f = ±25kHz, 80dBµ.
(2) At P23 read the VO1 at RX = ∞, then read the RX when recovered output become
VO1/2 with varying the RX. The RX is the output impedance.
Note19. ATT MAX.
(1) SIF IN: f = 4.5MHz, FM fMOD = 400Hz, ∆f = ±25kHz, 80dBµ.
(2) Read the 400Hz component of VA1 at P2 with RA = 0, then read VA1’ with RA = ∞.
Note20. vPT
(1) SIF IN: f = 4.5MHz, FM fMOD = 400Hz, ∆f = ±25kHz, 80dBµ.
(2) Read the 400Hz component at P3.
Note21. GV AF
(1) Apply 400Hz 0.1Vrms signal to P2.
(2) Read the output voltage at P3.
Note22. Read the 400Hz component of VA1 at P2 with RA = 0. Set RA so that VA1’ = 1/2VA1 (–6dB),
then read DC voltage of Pin1 (V1).
Note23. Read the 400Hz component of VA1 at P2 with RA = 0. Set RA so that VA1’ = 3.16 x 10–3VA1
(–50dB), then read DC voltage of Pin1 (V1).
Pin Connection Diagram
Volume Control 1
NFB 2
Audio Output 3
Audio GND 4
IF AGC Filter/
VCR Switch
5
PIF Input 6
PIF Input 7
PIF Input 8
PIF Input 9
RF AGC Delay 10
RF AGC Output 11
PIF GND 12
24 SIF Detector
23 De–Emphasis
22 SIF Detector
21 SIF Input
20 VCC
19 AFT Tank
18 Video Tank
17 Video Tank
16 AFT Tank
15 Video Output
14 AFT Output 2
13 AFT Output 1
24 13
1 12
1.300 (33.02)
Max
.100 (2.54)
1.100 (27.94)
.225
(5.73)
Max
.520
(13.2)
.126
(3.22)
Min
.600
(15.24)
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet NTE1572.PDF ] | |
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