NTE788 Просмотр технического описания (PDF) - NTE Electronics

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NTE788

Integrated Circuit IF System for FM Receiver

NTE Electronics 

Electrical Characteristics: (TA = +25°C, V+ = 12V unless otherwise specified)

Parameter

Symbol

Test Conditions

Min Typ Max Unit

Static Characteristics

Quiescent Circuit Current

I11 No Signal Input, Non Muted

20 31 40 mA

DC Voltages

IF Input

V1

1.2 1.9 2.4 V

AC Return to Input

V2

1.2 1.9 2.4 V

DC Bias to Input

V3

1.2 1.9 2.4 V

RF AGC

V15

7.5 9.5 11.0 V

DC Reference

V10

5.0 5.6 6.0 V

Dynamic Characteristics (fO = 10.7MHz, fmod = 400Hz, Deviation = ±75kHz)

Input Limiting Voltage

V1 (lim) –3dB Point

– 12 25 µV

AM Rejection

AMR VIN = 0.1V, AM Mod = 30%

45 55 – dB

Recovered AF Voltage

VO (AF) VIN = 0.1V

300 400 500 mV

Total Harmonic Distortion

Single Tuned

THD VIN = 0.1V, Note 1

– 0.5 1.0 %

Double Tuned

– 0.1 – %

Signal Plus Signal–to–Noise Ratio

VIN = 0.1V

60 67 – dB

Note 1. THD characteristics are essentially a function of the phase characteristics of the network

connected between Pin8, Pin9, and Pin10.

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