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PDF LA1140 Datasheet ( Hoja de datos )

Número de pieza LA1140
Descripción FM IF System for Car Radio
Fabricantes Sanyo Semicon Device 
Logotipo Sanyo Semicon Device Logotipo
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Total 15 Páginas
		
LA1140 datasheet

1 Page

LA1140 pdf
R15-G higher
ANT Input
Muting by varying R15-G
R14-6 lower
ANT Input
Muting by varying R14-6
LA1140
Ambient temperature, Ta – °C
f = 10.7 MHz, non-modulation
Noise
Input voltage, VIN (pin 1) – dBµ
Muting = OFF
Input voltage, VIN (pin 1) – dBµ
VCC = 8 V
Resistance
between pin 5 and
GND is 100 k
Resistance between pin 5 and GND –
fO = 10.7 MHz
VIN = 100 dBµ
Pins 7 – 13 = 5.1 k
V6 through 22 k– V
1 Tuned, muting OFF
2 – 200 kHz detuned, muting OFF
3 – 200 kHz detuned, muting ON
Frequency detuned, f – kHz
Input voltage, VIN (Pin 1) – dBµ
No. 729-5/15

5 Page

LA1140 arduino
LA1140
. Variation of muting characteristics with a resistor
connected between pin 15 and GND varied.
(Slope adjustment 1 of the curve for muting
attenuation vs. antenna signal input level)
Mute
OFF
Mute
ON
R15 – GND = 22 k
Adjustment output
Noise
ANT input – dBµ
ANT input – dBµ
. Variations of muting characteristics with a resistor
connected between pins 14 and 6 varied.
(Slope adjustment 2 of the curve for muting
attenuation vs. antenna signal input level)
Unit (resistance: , capacitance: F)
Mute
OFF
Demodulation output
Mute
ON
Noise
ANT input – dBµ
ANT input – dBµ
Unit (resistance: , capacitance: F)
No. 729-11/15

11 Page





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