NTE853 데이터 시트보기 (PDF) - NTE Electronics
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NTE853 Datasheet PDF : 2 Pages
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NTE853
Integrated Circuit
Low Power, Narrow Band, FM IF System
Description:
The NTE853 is a low power narrow band FM IF system which includes: Oscillator, Mixer, Limiting
Amplifier, Quadrature Discriminator, Active Filter, Squelch, Scan Control and Mute Switch. The
NTE853 is designed for use in FM dual conversion communications equipment.
Features:
D Low Drain Current (3mA Typ @ VCC = 6V)
D Excellent Sensitivity: Input Limiting Voltage (–3.0dB) = 5.0µV (Typ)
D Low Number of External Parts Required
Absolute Maximum Ratings: (TA = +25°C, unless otherwise specified)
Power Supply Voltage (Pin4), VCC(max) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12V
Operating Supply Voltage Range (Pin4), VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4V to 8V
Detector Input Voltage (Pin8), . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Vp–p
Input Voltage (VCC ≥ 6V, Pin16), V16 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1VRMS
Mute Function (Pin14), V14 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5V to 5Vpk
Operating Junction Temperature, TJ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C
Operating Ambient Temperature Range, TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –30° to +70°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65° to +150°C
Electrical Characteristics: (VCC = 6V, fO = 10.7MHz, ∆f = ± 3kHz, fmod = 1kHz, TA = +25°C
unless otherwise specified)
Parameter
Drain Current, Squelch OFF
Drain Current, Squelch ON
Input Limiting Voltage
Detector Output Voltage
Detector Output Impedance
Recovered Audio Output Voltage
Pin
Test Conditions
4
4
16 –3dB Limiting
9
–
9 Vin = 10mV
Min Typ Max Unit
– 2 – mA
– 3 5 mA
– 5 10 µV
–3–
V
– 400 –
Ω
200 350 – mVrms
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