NTE723 Просмотр технического описания (PDF) - NTE Electronics

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производитель

NTE723

Integrated Circuit FM Sound System

NTE Electronics 

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

Parameter

Symbol

Test Conditions

Min Typ Max Unit

Dynamic Characteristics (V+ = 11.2V, fo = 10.7MHz, ∆f = ±75kHz, fm = 400Hz)

Input Limiting Threshold

VIN(LIM)

AM Rejection

AMR AM: 1kHz @ 30%, VIN = 100mV

Recovered AF Voltage (At Pin12)

VO(AF)

Total Harmonic Distortion

THD

– 250 600 µV

– 55 – dB

– 1.5 – V

– 1 2%

Audio Preamplifier

Voltage Gain

Total Harmonic Distortion

AV(AF) VIN = 100mV, f = 400Hz

THD VOUT = 2V, f = 400Hz

– 21 – dB

– 1.5 5.0 %

Pin Connection Diagram

IF Input 1

IF Input Bias 2

GND 3

Zener Regulator 4

VCC 5

N.C. 6

De–Emphasis 7

14 Audio Input

13 Tone Control

12 Audio Output

11 N.C.

10 Detector

9 Detector

8 Buffer Output

14

8

1

7

.785 (19.95)

Max

.200 (5.08)

Max

.300

(7.62)

.100 (2.45)

.600 (15.24)

.099 (2.5) Min

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