57-1011-01 datasheet(11/15 Pages) SANYO

11 / 15 page

.

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)

.

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)

Mute

OFF

Mute

ON

R15 –GND=22 k

Adjustment output

Noise

ANT input – dBµ

Unit (resistance:

Ω, capacitance: F)

Mute

OFF

Mute

ON

Demodulation output

Noise

ANT input – dBµ

Unit (resistance:

Ω, capacitance: F)

LA1140

No. 729-11/15

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