NTE1491 データシートの表示（PDF） - NTE Electronics

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NTE1491

Integrated Circuit AM RF/IF Amp

NTE Electronics 

Tuner Performance: (TA = +25°C, VCC = 13V, f = 1MHz, fmod. = 400Hz, MOD = 30%, RL = 10kΩ

unless otherwise specified)

Characteristics

Test Conditions

Typ Unit

Maximum Sensitivity

Usable Sensitivity (υi)

Distortion Output Voltage

Harmonic Distortion

S/N Ratio

Total Harmonic Distortion

IF Rejection Ratio

Image Rejection Ratio

Selectivity

AM Whistle Rejection

υo = 20mVrms

S/N = 20dB

υi = 74 dBµV

υi = 74dBµV

υi = 74dBµV

υi = 126dB

f = 1MHz, υo = 20mV, IF = 450kHz

f = 1MHz, υo = 20mV, f + 2 IF

f = 1MHz, ∆f = ± 10kHz

υi = 74dBµV

2nd IF = 900kHz

3rd IF = 1350kHz

10 dBµV

24 dBµV

60 mVrms

0.4 %

55 dB

0.4 %

67 dB

80 dB

31 dB

45 dB

50 dB

Pin Connection Diagram

Mixer Output 1

IF Input 2

Bypass 3

IF Output 4

AGC Input 5

Bypass 6

GND 7

14 VCC

13 OSC Output

12 OSC Input

11 Mixer Input

10 RF Output

9 Bypass

8 RF Input

14

8

1

7

.785 (19.95)

Max

.100 (2.45)

.600 (15.24)

.200 (5.08)

Max

.300

(7.62)

.099 (2.5) Min

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