NTE1559 Datasheet, PDF (1/2 Pages) NTE Electronics – Integrated Circuit FM IF Amp, Demod

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, V_CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15V
Power Dissipation, P_T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 590mW
Operating Temperature Range, T_opr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +70°C
Storage Temperature Range, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +125°C
Electrical Characteristics: (T_A = +25°C, V_CC = 13V, f_c = 10.7MHz, f_m = 400Hz, f = 75kHz dev.
unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Operating Current
I_CCmax V_in = 100dBµ, 2V supplied to Pin5,
+150kHz detuned
– 30.5 39.3 mA
Limiting Sensitivity
V_in(lim) Input level lower by 3dB than (V_o(AF) under –
100dBµ of input voltage)
33 37 dBµ
Recovered AF Voltage
Total Harmonic Distortion
Signal–to–Noise Ratio
AM Rejection
Muting Attenuation
V_o(AF) V_in = 100dBµ
280 380 510 mV
THD V_in = 100dBµ
– 0.01 0.08 %
S/N V_in = 100dBµ
83 88 – dB
AMR V_in = 100dBµ, f_m = 1kHz, MOD = 30%
45 60 – dB
Mute_(ATT) (Output Voltage under 100dBµ if V_in and with 83 100 – dB
Pin5 Open) = 0dB, 2V fed to Pin5 via 12kΩ