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
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