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componentes Descripción

Fabricante

NTE1461

Integrated Circuit Phase Lock Loop (PLL) FM Stereo Demod

NTE Electronics 

Electrical Characteristics: (TA = +25°C, VCC = 10V, Vi = 300mV, f = 1kHz, L + R = 90%, Pilot = 10%

unless otherwise specified)

Parameter

Symbol

Test Conditions

Min Typ Max Unit

Quiescent Current

ICCO

Channel Separation

Sep

− 21 27 mA

40 50 − dB

Monaural Distortion

Stereo Distortion

Lamp Turn−On Level

Hysteresis

THDMono Mono = 300mV

THDST Main

VL L = R = 90%, Pilot = 10%

hy

− 0.05 0.2 %

− 0.05 0.2 %

60 85 120 mV

− 3 6 dB

Capture Range

CR Pilot = 30mV

− ±3 − %

Output Signal Level

Signal−to−Noise Ratio

Vo Sub

S/N

140 200 280 mV

70 78 − dB

Input Resistance

SCA Rejection

Allowable Input Voltage

SNC Output Attenuation

SNC Output Voltage

HCC Output Attenuation

Power Ripple Rejection

ri

SCArej

Vi

SNCAtt

Vosub

HCCAtt

RR

THD = 1%

V8 = 0.6V, L − R = 90%, Pilot = 10%

V8 = 0.1V, L − R = 90%, Pilot = 10%

V7 = 0.6V, L + R = 90%, Pilot = 10%

V7 = 1V, L + R = 90%, Pilot = 10%

− 20 − kΩ

− 80 − dB

700 800 − mV

−8.5 −3.0 −0.3 dB

− − 5 mV

−15 −6 −0.5 dB

−2 − 0 dB

− 35 − dB

VCO Stopping Voltage

Channel Balance

VCOStop

CHBa

− 6.8 − V

− 0.5 1.5 dB

Pin Connection Diagram

(Front View)

16 OSC Constants

15 Ripple Filter

14 Ripple Filter

13 19kHz

12 Pilot Detector

11 Pilot Detector

10 Stereo Lamp

9 GND

8 Stereo Noise Control

7 High Cut Control

6 Rt Ch Output

5 Lt Ch Output

4 High Cut Constant

3 Separation Adjust

2 Composite Signal Input

1 VCC

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