NTE1242 Datasheet, PDF (1/2 Pages) NTE Electronics – Integrated Circuit FM/AM IF Amp, AM Converter

NTE1242
Integrated Circuit
FM/AM IF Amp, AM Converter
Features:
D Separate AM and FM Circuitry
D Ceramic Filters Can be Used.
D Same AM and FM Detection Output Level
Absolute Maximum Ratings: (T_A = +25°C unless otherwise specified)
Supply Voltage, V_CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9.6V
Circuit Voltages, V_8–7, V_15–6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14.4V
Supply Current, I_CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40mA
Power Dissipation (T_A = +75°C), P_D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400mW
Operating Ambient Temperature Range, T_opr . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –20° to +75°C
Storage Temperature Range, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –55° to +150°C
Electrical Characteristics: (V_CC = 8V, T_A = +25°C unless otherwise specified)
Parameter
Symbol
Test Conditions
Min Typ Max Unit
Total Circuit Current
Detector Output Voltage
AM–IF
FM–IF
I_tot
15 24 34 mA
V_O V_i = 22dBµV, f = 1MHz, f_m = 400Hz, 30% MOD 2.4 6.0 9.5 mV
V_i = 33dBµV, f_m = 400Hz, f_d = 22.5kHz,
f = 10.7MHz
3.8 7.0 10.0 mV
Circuit Voltages
V_3–2
V_7–6
V_12–4
V_4–8
V_4–9
V_15–4
V₁₀ = 1.0V
V₁₀ = 1.4V
– 3.0 – V
– 1.7 – V
– – 30 mV
– 66 – mV
– 120 – mV
– 240 – mV
– 62 – mV