NTE743 View Datasheet(PDF) - NTE Electronics

Part Name

Description

Manufacturer

NTE743

Integrated Circuit Phase Lock Loop (PLL) Stereo Decoder

NTE Electronics 

Electrical Characteristics:

(TA = +25°C, VCC = +12V, Composite Input = 300mVrms (L = R, Pilot OFF), Pilot Level = 30mVrms,

fm = 400Hz or 1KHz, unless otherwise indicated)

Characteristics

Test Conditions

Input Impedance

Pin2

Output Impedance

Pin4 or Pin5

Audio Voltage Gain

Desired Channel

Stereo Channel Separation

Monaural Channel Balance

fm = 100Hz

fm = 400Hz

fm = 10kHz

Pilot Level = 0V

Total Harmonic Distortion

Multiplex Level = 600mV

Ultrasonic Frequency Rejection 19kHz

38kHz

SCA Rejection

67KHz, Note 1

Stereo Switch Level

Pilot Only, Lamp On

Pilot Only, Lamp Off

VCO Tuning Resistance

Pin15, Note 2

VCO Frequency Drift

Stereo Lamp Hysteresis

–20°C < TA < +25°C

+25°C < TA < +70°C

Lamp Off to Lamp On

Capture Range

Permissable Tuning Error

Output Voltage Shift

Stereo to Mono Operation

Lamp Output Current

Short Circuit, Lamp On

Lamp Off

Lamp Driver Terminal Voltage ILAMP = 50mA

Supply Current

Lamp Off

Power Supply Rejection

200Hz, 200mVrms

Min Typ Max Unit

2 353 –

kΩ

– 50 –

Ω

0.7 1.0 1.4 V

– 30 –

dB

30 40 –

dB

– 30 –

dB

– 0.1 1.5 dB

– 0.4 1.5 %

25 35 –

dB

25 40 –

dB

– 70 –

dB

–

14 25 mVrms

2.0 7.0 – mVrms

20 23 26 kΩ

– ±0.5 ±2.0 %

– ±0.5 ±2.0 %

3.0 6.0 –

dB

– 4.0 –

%

– ±30 –

mV

50 100 – mA

– 1.0 100 mA

– 1.3 2.0 V

– 20 40 mA

– 40 –

dB

Note 1. Measured with a stereo composite signal of 80% stereo, 10% pilot, and 10% SCA.

Note 2. Total resistance from Pin15 to GND, to set reference frequency at Pin11 to 19kHz ±10Hz

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