NTE853 查看數據表（PDF） - NTE Electronics

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NTE853

Integrated Circuit Low Power, Narrow Band, FM IF System

NTE Electronics 

Electrical Characteristics (Cont’d): (VCC = 6V, fO = 10.7MHz, ∆f = ± 3kHz, fmod = 1kHz, TA = +25°C

unless otherwise specified)

Parameter

Filter Gain

Filter Output Voltage

Trigger Hysteresis

Mute Function, LOW

Mute Function, HIGH

Scan Function, LOW

Scan Function, HIGH

Mixer Conversion Gain

Mixer Input Resistance

Mixer Input Capacitance

Pin

Test Conditions

– Vin = 10mV, 10kHz

11

–

14

14

13 Mute OFF, V12 = 2V

13 Mute ON, V12 = GND

3

16

16

Min Typ Max Unit

40 46 – dB

1.8 2.0 2.5 V

– 100 – mV

– 15 50 Ω

1 10 – MΩ

– 0 0.5 V

5.0 – –

V

– 20 – dB

– 3.3 – kΩ

– 2.2 – pF

Pin Connection Diagram

Crystal OSC 1

Crystal OSC 2

Mixer Output 3

VCC 4

Limiter Input 5

Decoupling 6

Limiter Output 7

Quad Input 8

16 RF Input

15 GND

14 Audio Mute

13 Scan Control

12 Squelch Input

11 Filter Output

10 Filter Input

9 Demodulator Output

16

1

.245

(6.22)

Min

.785 (19.9)

Max

.100 (2.54)

.700 (17.7)

9

.260 (6.6) Max

8

.200 (5.08)

Max

.300

(7.62)

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