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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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BA7786FP-Y датащи(PDF) 9 Page - Rohm |
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BA7786FP-Y датащи(HTML) 9 Page - Rohm |
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9 / 24 page  9 Multimedia ICs BA7786FP-Y / BA7787FS •Circuit operation (1) Gain between LINE IN L / LINE IN R and HP OUT L / HP OUT R GHP, the gain when EVR is at its maximum (VE = HP VCC), is calculated as follows: (2) Output level between SYSTEM BEEP IN and HP OUT L / HP OUT R Inputting a pulse wave to SYSTEM BEEP IN causes HP OUT L and HP OUT R to output a pulse wave. The out- put level of this pulse wave depends on the resistance between pin 7 and GND. The level when EVR is at its maximum (VE = HP VCC) is calculated as follows. (4) Gain between PM BEEP IN and SP OUT 1 / SP OUT 2 This is calculated as follows. (BA7786FP-Y only, BA7787FS: pin 8) This path is output regardless of whether LIN MIX ON / OFF is at the high or low level. (3) Gain between SP IN L / SP IN R and SP OUT L / SP OUT R (BA7786FP-Y) This is calculated as follows. This path is not controlled by EVR or the mute function. (5) Gain between LINE IN L and LCH OUT (BA7786FP-Y) This gain (GHL) is calculated as follows. Set so that 12k R 56k. This gain attenuates accord- ing to the pin 1 DC voltage (VE) (see Fig. 8). Mixing input can be accommodated by attaching multiple resis- tors. Gain between SP IN and SP OUT 1 / SP OUT 2 (BA7787FS) This is calculated as follows. Set so that R 100k (VHB 1.1V). As with the path be- tween LINE IN L / LINE IN R and HP OUT L / HP OUT R, this level attenuates according to the pin 1 DC volt- age. (BA7786FP-Y only, BA7787FS: pin 15) 2 R 4 R 20 21 R R 7 R 9 R 7 R GHP 20 ∗ LOG (dB) 60k 1k + R GSP 20 ∗ LOG (dB) 32k 1k + R GSP 20 ∗ LOG (dB) 32k 1k + R GSB 20 ∗ LOG (dB) 20k 1k + R GHL 20 ∗ LOG (dB) R8 2 ∗ R2 VHB 0.5 ∗ ∗ 60k (VP-P) VCC – 0.7 13k + R 2 R8 8 R2 |
Аналогичный номер детали - BA7786FP-Y |
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Аналогичное описание - BA7786FP-Y |
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