NTE1149 データシートの表示（PDF） - NTE Electronics

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NTE1149

Integrated Circuit FM Tuning System

NTE Electronics 

NTE1149

Integrated Circuit

FM Tuning System

Absolute Maximum Ratings: (TA = +25°C unless otherwise specified)

Supply Voltage (Pin 14), VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V

Lamp Voltage, VLAMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20V

Lamp Current, VLAMP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40mA

Power Dissipation, PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500mW

Operating Temperature Range (VCC = 12V), Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to +60°C

Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55 to +125°C

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

Parameter

Symbol

Test Conditions

Min Typ Max Unit

Lamp Voltage

VLAMP Voltage Gain from Terminal 1 to 13 is 35dB − 10 16 mV

Lamp Turn ON − Vi = 10.7Mhz

Lamp Turn OFF − Vi = 10.7Mhz (Note 1)

6 10 − mV

Tuning Meter Min. Operating

Input Voltage

Voltage Gain from Terminal 1 to 13 is 35dB − 7 − mV

Tuning Meter Operating Range

− 30 −

dB

Center Meter Output Current

Muting On Output Voltage

Meter Internal Input Resistance 20kΩ,

Discriminator Vi = ±0.5V

40 60 75 µA

1.8 23 −

V

Muting Off Output Voltage

− 0.2 0.6 V

Internal Power Dissipation

PD At Lamp ON

At Lamp OFF

− 230 − mW

− 150 − mW

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