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LA1781M 数据表(PDF) 7 Page - Sanyo Semicon Device |
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LA1781M 数据表(HTML) 7 Page - Sanyo Semicon Device |
7 / 48 page LA1781M No.6038-7/48 Continued from preceding page. Pin No. Pin function Pin description Equivalent circuit 8 9 Noise AGC sensitivity AGC adjustment After setting up the medium field (about 50dB μ) sensitivity with the noise sensitivity setting pin (pin 8), set the weak field (about 20 to 30dB μ) sensitivity with the AGC adjustment pin (pin 9). + 8 9 3k Ω 15k Ω 3k Ω 3k Ω 1M Ω 0.01 μF 0.47 μF 200 Ω 11 12 Memory circuit connection Recording circuit used during noise canceller operation. 13 12 11 VCC 3.9k Ω 0.01 μF 6800pF Differential amp Gate circuit LPF 13 Pilot input Pin 13 is the PLL circuit input pin. 12 13 30k Ω VCC PLL N.C 0.01 μF 14 N.C, MPX, MRC, GND Ground for the N.C., MPX, and MRC circuits. Continued on next page. |
类似零件编号 - LA1781M |
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类似说明 - LA1781M |
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