Daewoo AKF-8846, Руководство по обслуживанию

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5
4. ELECTRICAL SPECIFICATION
4-1. FM SECTION
N O. I T E M TEST CONDITION U N I T N O M I N A L L I M I T
1 USABLE SENSITIVITY 90.1 MHz d B µ 5
≤
1 0
(S/N 30 dB) 98.1 MHz d B u 5
≤
1 0
106.1 MHz d B u 5
≤
10
2 S/N RAT I O 98.1 MHz d B u 5 5
≥
5 0
3 IF REJECTION RAT I O 90.1 MHz d B µ 8 0
≥
6 5
4 MUTING SENSITIVITY
981 MHz d B µ 7 3 ~ 1 5
(60 dBu Ref. -3dB)
5 F R E QUENCY RESPONCE 1 0 0 d B 0 ± 3
(75 uS, P-EMP) 1 0 K d B - 1 0 + 3/ -
∞
6 T.H.D (98.1 MHz)
1 K H z % 0 . 3
≤
1 . 0
(22.5 KHz DEV. )
7 AM REJECTION (AM 30%, 60dBu) d B 5 0
≥
4 0
8 SEARCH LOCK SENS. 98.1 MHz d B µ 20 1 0 ~ 3 0
9 STEREO ON SENSITIVITY 98.1 MHz dBµ 7 3 ~ 1 5
1 K 4 0 d B µ d B 6
≤
1 2
1 0 CHANNEL SEPA R AT I O N 1 K 6 0 d B µ 3 0
≥
2 5
1 0 K 6 0 d B µ 2 0
≤
2 5
• DUMMY CONDITION