NTE NTE704

NTE704
Integrated Circuit
TV Sound, IF Amp
Features & Applications:
D Exceptionally High Gain: Power Gain at 4.5Hz – 75dB typ.
D Excellent Limiting Characteristics: Input Limiting Voltage (Knee) = 300µV at 4.5MHz
D Excellent AM Rejection: > 50dB at 4.5MHz
D High Audio–Voltage Recovery: 20mV Typ at 4.5MHz, 25kHz Deviation
D Wide Frequency Capability: 100kHz to > 20MHz
D Comprehensive Circuit Functions:
IF Amplifier
AM and Noise Limiter
FM Detector
Audio PreAmplifier
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Maximum Input–Signal Voltage (Between Pin1 and Pin2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±3V
Maximum Device Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300mW
Recommended Minimum DC Supply Voltage (VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5V
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +125°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65° to +150°C
Electrical Characteristics: (TA = +25°C unless otherwise specifid)
Parameter
Total Device Dissipation
Voltage Gain
Symbol
PT
A
Test Conditions
Note 1
f = 1Mc/s,
Note 2
VCC = 7.5V,
Note 2
Min
Typ
Max
Unit
VCC = 6V
73
90
110
mW
VCC = 7.5V
106
120
150
mW
VCC = 10V
165
190
230
mW
VCC = 6V
60
66
–
dB
VCC = 7.5V
65
70
–
dB
VCC = 10V
65
71
–
dB
f = 4.5Mc/s
60
67
–
dB
f = 10.7Mc/s
55
60
–
dB
Note 1. Total current drain may be determined by dividing PT by VCC.
Note 2. Recommended minimum DC supply voltage (VCC) is 5.5V. Nominal load current flowing into
Pin5 is 1.5mA at 7.5V.
Electrical Characteristics (Cont’d): (TA = +25°C unless otherwise specifid)
Parameter
Symbol
Parallel Input Resistance
RIN
Parallel Input Capacitance
CIN
Parallel Output Resistance
ROUT
Parallel Output Capacitance
COUT
Noise Figure
Test Conditions
Min
Typ
Max
Unit
–
3
–
kΩ
–
7
–
pF
–
31.5
–
kΩ
–
4.2
–
pF
f = 4.5Mc/s, VCC = 7.5V
f = 4.5Mc/s, VCC = 7.5V
NF
f = 4.5Mc/s, VCC = 7.5V
–
8.7
–
dB
Input Limiting Voltage (Knee)
Vi(lim)
f = 4.5Mc/s, VCC = 7.5V
–
300
400
µV
Recovered AF
Vo(af)
f = 4.5Mc/s
–
155
–
mV
VCC = 7.5V
135
188
–
mV
VCC = 10V
–
220
–
mV
f = 4.5Mc/s, VCC = 7.5V
–
50
–
dB
RO(dics) f = 4.5Mc/s, VCC = 7.5V
–
60
–
Ω
–
1.8
–
%
Amplitude Modulation Rejection
AMR
Discriminator Output Resistance
Total Harmonic Distortion
THD
VCC = 6V
f = 4.5Mc/s, VCC = 7.5V
Pin Connection Diagram
(Top View)
Secondary Discrim
Transformer
GND
Secondary Discrimin
Transformer
6
7
5
8
Output 9
4
Primary Discrimin
Transformer
4 Tertiary Winding
Primary Discrimin
10
Transformer/VCC (+)
3
1
Bypass
2
Input 4.5MHZ
Input 4.5MHZ
.335 (8.52) Dia Max
.260
(6.6)
Max
.500
(12.7)
Min
.018 (0.45) Dia Typ
.115 (2.92)
4
3
2
5
6
1
10
.370
(9.4)
Max
7
9
8
.230 (5.84) Dia