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LA1193M データシート(PDF) 8 Page - Sanyo Semicon Device |
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LA1193M データシート(HTML) 8 Page - Sanyo Semicon Device |
8 / 22 page LA1193M, 1193V No.4715-8/22 Continued from preceding page. Pin No. Function Equivalent circuit Note 17 IF, AGC, VCC 20 Keyed AGC input Controls the narrow AGC. 1. Oscillator Circuit Steps were taken to prevent AMR degradation during earlier product type AGC operation, since the local oscillator block in this IC has independent Vd (pin 5) and ground (pin 3) connections. This is a Colpitts oscillator and has the same structure as that used in earlier circuits. The oscillation level and intensity are changed by capacitors C2-4, C4 and CP. 2. Local Oscillator Buffer Output This buffer is an emitter follower circuit. If desired, the buffer efficiency can be increased by inserting a resistor between pin 1 and ground to pass more current through the buffer transistor. However, this current must be limited so that Pdmax for the package is not exceeded. |
同様の部品番号 - LA1193M_08 |
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同様の説明 - LA1193M_08 |
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