NTE708 NTE-708 | ECG708 ECG-708 | NTE Electronics
NTE708
Integrated Circuit
TV/FM Sound IF Amplifier
14-PIN DIP
Features:
- Greatly Simplifier FM Demodulator Alignment
- Excellent Performance at V+ = 8V
Info as pdf-file
NTE-ECG replacement list as pdf-file
Diagrams and Info of most NTE-ECG Components
Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)
Power Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16V
Peak Input Voltage (Pin4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.5V
Power Dissipation (TA = +25°C), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 625mW
Derate Above 25°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5mW/°C
Operating Ambient Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0° to +75°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -65° to +150°C
Electrical Characteristics: (TA = +25°C, V+ = 12V unless otherwise specified)
Parameter |
Pin |
Test Conditions |
Min |
Typ |
Max |
Unit |
Drain Current |
13 |
V+ = 8V |
10 |
12 |
19 |
mA |
V+ = 12V |
- |
15 |
21 |
mA |
Amplifier Input Reference Voltage |
6 |
|
- |
1.45 |
- |
V |
Detector Input Reference Voltage |
2 |
|
- |
3.65 |
- |
V |
Amplifier High Level Output Voltage |
10 |
|
1.25 |
1.45 |
1.65 |
V |
Amplifier Low Level Output Voltage |
9 |
|
- |
0.145 |
0.2 |
V |
Detector Output Voltage |
1 |
V+ = 8V |
- |
3.7 |
- |
V |
V+ = 12V |
- |
5.4 |
- |
V |
Amplifier Input Resistance |
4 |
|
- |
5.0 |
- |
k Ohm |
Amplifier Input Capacitance |
4 |
|
- |
11 |
- |
pF |
Detector Input Resistance |
12 |
|
- |
70 |
- |
k Ohm |
Detector Input Capacitance |
12 |
|
- |
2.7 |
- |
pF |
Amplifier Output Resistance |
10 |
|
- |
60 |
- |
Ohm |
Detector Output Resistance |
1 |
|
- |
200 |
- |
Ohm |
De-Emphasis Resistance |
14 |
|
- |
8.8 |
- |
k Ohm |
Dynamic Characteristics: (FM Modulation Freq = 1kHz, Source Resistance = 50 Ohm,TA = +25°C for all tests)
Parameter |
Pin |
Test Conditions |
Min |
Typ |
Max |
Unit |
(V+ = 12V, fo = 4.5MHz, f = ±25kHz, Peak Separation = 150kHz) |
Amplifier Voltage Gain |
10 |
Vin </= 50µVrms |
- |
60 |
- |
dB |
AM Rejection |
1 |
Vin = 10µVrms, Note 1 |
- |
36 |
- |
dB |
Input Limiting Threshold Voltage |
4 |
|
- |
250 |
- |
µVrms |
Recovered Audio Output Voltage |
1 |
Vin = 10µVrms |
- |
0.72 |
- |
Vrms |
Output Distortion |
1 |
Vin = 10µVrms |
- |
3 |
- |
% |
(V+ = 12V, fo = 5.5MHz, f = ±50kHz, Peak Separation = 260kHz) |
Amplifier Voltage Gain |
10 |
Vin </= 50µVrms |
- |
60 |
- |
dB |
AM Rejection |
1 |
Vin = 10µVrms, Note 1 |
- |
40 |
- |
dB |
Input Limiting Threshold Voltage |
4 |
|
- |
250 |
- |
µVrms |
Recovered Audio Output Voltage |
1 |
Vin = 10µVrms |
- |
1.2 |
- |
Vrms |
Output Distortion |
1 |
Vin = 10µVrms |
- |
5 |
- |
% |
(V+ = 8V, fo = 10.7MHz, f = ±75kHz, Peak Separation = 550kHz) |
Amplifier Voltage Gain |
10 |
Vin </= 50µVrms |
- |
53 |
- |
dB |
AM Rejection |
1 |
Vin = 10µVrms, Note 1 |
- |
37 |
- |
dB |
Input Limiting Threshold Voltage |
4 |
|
- |
600 |
- |
µVrms |
Recovered Audio Output Voltage |
1 |
Vin = 10µVrms |
- |
0.3 |
- |
Vrms |
Output Distortion |
1 |
Vin = 10µVrms |
- |
1.4 |
- |
% |
(V+ = 12V, fo = 10.7MHz, f = ±75kHz, Peak Separation = 550kHz) |
Amplifier Voltage Gain |
10 |
Vin </= 50µVrms |
- |
53 |
- |
dB |
AM Rejection |
1 |
Vin = 10µVrms, Note 1 |
- |
45 |
- |
dB |
Input Limiting Threshold Voltage |
4 |
|
- |
600 |
- |
µVrms |
Recovered Audio Output Voltage |
1 |
Vin = 10µVrms |
- |
0.48 |
- |
Vrms |
Output Distortion |
1 |
Vin = 10µVrms |
- |
1.4 |
- |
% |
Note 1. | 100% FM, 30% AM Modulation. |
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