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NTE1559 fiches techniques PDF

NTE - Integrated Circuit FM IF Amp / Demod

Numéro de référence NTE1559
Description Integrated Circuit FM IF Amp / Demod
Fabricant NTE 
Logo NTE 





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NTE1559 fiche technique
NTE1559
Integrated Circuit
FM IF Amp, Demod
Functions:
D FM IF Amplifier
D Quadrature Detector
D Audio Amplifier
D Muting Circuit
D Signal–Meter Driver
D AFC
D Center–Meter Driver
D Muting Controller (Bandwidth & Level)
D Center–Meter Short Circuit for AM Band (Pin15)
D IF Amp Killer for AM Band (Pin15)
Features:
D High Signal–to–Noise Ratio
D High Sensitivity
D Large Muting Attenuation
D Stable Operation using Full–Balanced
Differential
D Triplex Amplifier
D High Linearity of Signal Meter
D Operational Input Level of Muting is Adjustable
by Controlling External Resistance
Absolute Maximum Ratings:
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V
Power Dissipation, PT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 590mW
Operating Temperature Range, Topr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C
Storage Temperature Range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +125°C
Electrical Characteristics: (TA = +25°C, VCC = 13V, fc = 10.7MHz, fm = 400Hz, f = 75kHz dev.
unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Operating Current
ICCmax Vin = 100dBµ, 2V supplied to Pin5,
+150kHz detuned
– 30.5 39.3 mA
Limiting Sensitivity
Vin(lim) Input level lower by 3dB than (Vo(AF) under –
100dBµ of input voltage)
33 37 dBµ
Recovered AF Voltage
Total Harmonic Distortion
Signal–to–Noise Ratio
AM Rejection
Muting Attenuation
Vo(AF) Vin = 100dBµ
280 380 510 mV
THD Vin = 100dBµ
– 0.01 0.08 %
S/N Vin = 100dBµ
83 88 – dB
AMR Vin = 100dBµ, fm = 1kHz, MOD = 30%
45 60 – dB
Mute(ATT) (Output Voltage under 100dBµ if Vin and with 83 100 –
Pin5 Open) = 0dB, 2V fed to Pin5 via 12k
dB

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