поискавой системы для электроныых деталей |
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UA8229-J15-A-T датащи(PDF) 7 Page - Unisonic Technologies |
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UA8229-J15-A-T датащи(HTML) 7 Page - Unisonic Technologies |
7 / 9 page UA8229 LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 7 of 9 www.unisonic.com.tw QW-R107-033.C APPLICATION INFORMATION 1. Adjustment of voltage gain The voltage gain GV is obtained by R1, R2 and RF as below. By increasing RF, reduction of GV is possible. 40dB or over in use is recommended. RF + R1 + R2 GV = 20 log RF+ R1 Sine oscillation is probable as a result of feedback in crease. 2. Input stage The input circuit of this IC is as shown as below. PNP TR: TR1 is provided in the input circuit so as to make its usage possible without the input coupling capacitor. However, at Pin 10 and Pin 11 max 60 mV offset voltage is produced. Fig.2 illustrate the input circuit of UTC UA8229. A offset voltage of 60mV max is possible. TR1 is featured to eliminate the usage of coupling capacitor. 2/4 INPUT 30kΩ 30kΩ OUTPUT To DRIVER 45Ω To BIAS NF Rf + 47μF TR3 TR2 TR1 GND CIN 10/11 13/14 9/12 2/4 INPUT 30kΩ 30kΩ OUTPUT To DRIVER 45Ω To BIAS NF Rf Fig. 2 + 47μF TR3 TR2 TR1 GND CIN 10/11 13/14 9/12 FOR HSIP-14B PACKAGE FOR HSIP-15A PACKAGE |
Аналогичный номер детали - UA8229-J15-A-T |
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Аналогичное описание - UA8229-J15-A-T |
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