NTE1234 データシートの表示（PDF） - NTE Electronics

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NTE1234

Integrated Circuit FM IF Amplifier

NTE Electronics 

NTE1234

Integrated Circuit

FM IF Amplifier

Description:

The NTE1234 is designed for use in FM IF and TV sound IF amp applications. This device contains

3 different stage differential IF amp and a differential peak detector function.

Features:

D Excellent AM Rejection: (AMR = 50db typ.)

D High Sensitivity: (VIN(lim) = 50dBµV typ.)

D Operating Supply Voltage Range: (VCC = 8 to 15V, THD = 0.2% typ.)

D High Recovered Output Voltage: (VOD = 430mV typ. ±75kHz, dev.)

D Low Distortion: (THD = 0.2% typ. 500mV typ. ∆f = ±75kHz, dev.)

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

Supply Voltage, VCC, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V

Input Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.7Vrms

Power Dissipation (Note 1), PD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400mW

Operating Temperature Range, Topg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −20° to +75°C

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

Note 1. Derate above +25°C in this proportion of 4/mW/°C.

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

Parameter

Symbol

Test Conditions

Min Typ Max Unit

Supply Current

Output Terminal

DC Voltage (Pin 7)

ICC VIN = 0

V7 VIN = 0, Short Pin 5,6

8 11 15 mA

4.0 4.8 5.5 V

Recovered Output Voltage

Input Limiting Voltage

VOD

VIN(lim)

f = 10.7MHz, fM = 400Hz,

∆f = ±75kHz dev., VIN = 80dBµV

f = 10.7MHz, fM = 400Hz,

∆f = ±22kHz dev., −3dB limiting

300 500 700 mVrms

− 50 55 dBµV

Total Harmonic Distortion

THD f = 10.7MHz, fM = 400Hz,

∆f = ±22kHz dev., VIN = 80dBµV

− 0.2 −

%

Signal to Noise Ratio

S/N f = 10.7MHz, fM = 400Hz,

∆f = ±22kHz − 0 kHz VIN = 80dBµV

− 60 − dB

AM Rejection Ratio

AMR f = 10.7MHz, fM = 400Hz, VIN = 80dBµV, − 50 −

dB

FM: 75kHz dev, AM: 30% MOD

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