NTE NTE1161 Datasheet

NTE1161

Integrated Circuit

TV Video/Sound IF Amp, Detector

Features:

D Video IF Amplifier, Synchronous Detector
D Video Differential Amplifier
D AFT Carrier Amplifier
D Sound IF Amplifier
D FM Differenial Peak Detector
D DC Sound Volume Control Circuit
D Sound Preamplifier Circuit

Absoulte Maximum Ratings:

Supply Voltage (Note 1), V
Supply Current, I
Power Dissipation, P

CC

D

Operating Ambient Temperature Range, T
Storage Temperature Range, T

(TA = +25°C unless otherwise specified)

CC

opr

stg

14.4V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

77mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.11W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

–20° to +70°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

–40° to +150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Note 1. A continuous operation voltage must be set within a proper range so that the dissipation does

not exceed 1.11W.

Electrical Characteristics:

Parameter Symbol Test Conditions Min Typ Max Unit

Total Circuit Current I

Video Circuit

Max. Output Voltage Amplitude V
Output Signal Voltage

Selection Circuit Capacitance C

(TA = +25°c unless otherwise specified)

V

26

OD–N•Pfo

V

O–N•P

V

O–N

t

= 12V 24 30 36 mA

26–4

= 58.75MHz 3.0 4.0 – V

fo = 58.75MHz, fm = 400Hz,
m = 40%, Vi = 20mV

f = 58.75MHz 7 12 17 pF

rms

280 420 560 mV

5 20 80 mV

P–P

rms
rms

Electrical Characteristics (Cont’d): (TA = +25°c unless otherwise specified)

Parameter Symbol Test Conditions Min Typ Max Unit

AFT Output Voltage V
Sound Detection Output Voltage V

O(AFT)

O(S)

fo = 58.75MHz, m = 40%,
Vi = 20mV

rms

IF Amplifier

Input Limiting Voltage V

i(lim)fo

= 4.5MHz, fm = 400Hz,

∆f = ±25kHz

AM Rejection Ratio AMR fo = 4.5MHz, fm = 400Hz,

Total Detection Output V

Maximum Attenuation G
Half Detection Output V

O

R

O/2

m = 30% (AM), V
fo = 4.5MHz, fm = 400Hz,

∆f = ±25kHz, V
fo = 4.5MHz, fm = 400Hz,

∆f = ±25kHz, Vi = 100V

= 100mV

i

= 0, V1 = 100mV

17–9

Audio Preamplifier

Voltage Gain G
Leak Signal Output V

O(leak)fo

Output Noise Voltage V

f = 400Hz, VO = 1V

V

rms

= 4.5MHz, fm = 400Hz,

∆f = ±25kHz, V
Vin = 0, Pin17–16 shorted 1 mV

no

= 100V

i

Pin Connection Diagram

rms

250 350 500 mV
280 420 560 mV

250 400 µV

50 dB

0.45 0.65 0.85 V

rms

75 dB

0.22 0.32 0.42 V

rms

22.7 24.0 25.6 dB

0.8 mV

rms
rms

rms

rms

Bypass Capacitor

IF Input

N.C.

GND

V

CC

DC Bias Feedback

Quadrature Coil
Quadrature Coil

1
2
3
4
5SIF Output
6Bandpass Filter
7Bandpass Filter
8

28
27
26
25
24 Test Point
23
22
21

9GND 20

10Sound IF Input
11

19

18
12 17
13

16
14N.C. 15

Pix IF Tank Circuit
Pix IF tank Circuit

V

CC

N.C.

AFT Carrier Output
Sync Pos Video Out
Sync Neg Video Out
Tone Control Network
T o Audio Output
Audio Preamp Input
DC Volume Control

DC Volume Control
Det Output