Datasheet > NTE1234

NTE1234

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
NTE		放大器
页数	文件大小	规格书
2页	78K
描述
Integrated Circuit FM IF Amplifier

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NTE1234 数据手册

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: (V_IN(lim)= 50dBµV typ.)

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

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

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

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

Supply Voltage, V_CC,. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V

Input Voltage, V_IN. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.7Vrms

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

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

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

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

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

Parameter

Symbol

Test Conditions

Min Typ Max Unit

Supply Current

I_CC

V_IN= 0

Output Terminal

V₇

V_IN= 0, Short Pin 5,6

4.0 4.8

5.5

DC Voltage (Pin 7)

Recovered Output Voltage

Input Limiting Voltage

Total Harmonic Distortion

Signal to Noise Ratio

AM Rejection Ratio

V_OD

f = 10.7MHz, f_M= 400Hz,

∆f = ±75kHz dev., V_IN= 80dBµV

300 500 700 _mV_rms

V_IN(lim)f = 10.7MHz, f_M= 400Hz,

−

0.2

−

dBµV

∆f = ±22kHz dev., −3dB limiting

THD

S/N

f = 10.7MHz, f_M= 400Hz,

∆f = ±22kHz dev., V_IN= 80dBµV

f = 10.7MHz, f_M= 400Hz,

∆f = ±22kHz − 0 kHz V_IN= 80dBµV

−

AMR

f = 10.7MHz, f_M= 400Hz, V_IN= 80dBµV,

FM: 75kHz dev, AM: 30% MOD

−

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