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A6283 Datasheet(PDF) 5 Page - Unisonic Technologies |
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A6283 Datasheet(HTML) 5 Page - Unisonic Technologies |
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5 / 7 page  A6283 LINEAR INTEGRATED CIRCUIT UNISONICTECHNOLOGIESCO.,LTD 5 of 7 www.unisonic.com.tw QW-R107-047,A APPLICATION INFORMATION AND APPLICATION METHOD 1. ADJUSTMENT OF VOLTAGE GAIN The voltage gain GV is obtained as follows by R1, R2 and RF in Fig.1. GV = 20 log RF+R1+R2 RF+R1 When RF = 0 GV = 56dB (Typ.) When RF = 82Ω GV = 45dB (Typ.) By increasing RF, reduction of GV is possible, However, since the feedback increase is liable to produce oscillation, it is recommended to use this at 40dB or over. 5/7 4/8 2/10 AMP + - R1 30Ω RF INPUT R2 20kΩ OUTPUT Fig.1. 2. THERMAL SHUT-DOWN CIRCUIT The thermal shut-down circuit is built in for the purpose of preventing the destruction of IC due to the abnormal temperature rise when the heat radiation is insufficient. |
Similar Part No. - A6283_15 |
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Similar Description - A6283_15 |
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