LA2232 查看數據表（PDF） - SANYO -> Panasonic

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LA2232

RDS Decorder

SANYO -> Panasonic 

LA2232, 2232M

Sample Application Circuit Using the LA2232/M and the LC7073/M

3 to 6 mVrms

Recommended input signal level

(when RDS ∆f = ±2.0 kHz)

*R = 6.8 kΩ (for the LA2232)

R = 5.6 kΩ (for the LA2232M)

↑

Bi-phase signal

Adjusting the 57 kHz BPF

(A) Check the output level of the bi-phase signal from pin 4 or pin 22 (with the pin 6 RDS input at about 1 mVr ms and the ALC circuit not operating).

(B) Check the signal level of the BPF checkpoint (with the pin 6 RDS input in the range 3 to 6 mVrms or higher).

No. 4416A-4/9

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