NTE1057 查看數據表（PDF） - NTE Electronics

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产品描述 (功能)

比赛名单

NTE1057

Integrated Circuit FM IF Amplifier, AF Pre−Amplifier

NTE Electronics 

Electrical Characteristics (Cont’d): (TA = 25°C, unless otherwise specified)

Parameter

Symbol

Test Conditions

Min Typ Max Unit

DC Current Gain

Small−Signal Short Circuit

Input Impedance

hFE VCE = 5V, IE = −1mA

30 50 120

hie VCE = 5V, IE = −1mA, f = 270Hz − 2 − kΩ

Small−Signal Output Impedance

hoe

Small−Signal Open Circuit

hre

Reverse Voltage Transfer Ratio

− 6 − µmhos

−

1

− x10−4

Noise Figure

NF

− 8 − dB

Pin Connection Diagram

(Front View)

SIF OSC 1

SIF OSC 2

Bypass 3

Bypass 4

AF Input 5

Volume Control 6

Feedback 7

14 GND

13 IF 1

12 IF 1

11 IF 2

10 IF 2

9 Audio Output

8 Bias

14

8

1

7

.785 (19.95)

Max

.200 (5.08)

Max

.300

(7.62)

.100 (2.45)

.600 (15.24)

.099 (2.5) Min

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