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SL1018 bảng dữ liệu(PDF) 6 Page - AUK corp |
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SL1018 bảng dữ liệu(HTML) 6 Page - AUK corp |
6 / 9 page KSI-W016-000 6 Information On Muting Characteristics (continued) Furthermore, varying the value of a resistor connected between the pin14 and pin16 changes the value of the muting control current required to obtain the same muting drive output, accordingly a slope of curve for muting attenuation vs. antenna signal input level is also changed. Fig. 4 shows these characteristics investigated by using an actual receiver. The method to adjust the muting circuit is to set the signal input level required to actuate the muting circuit with the R 16 , to adjust the slope of the curve for the muting attenuations vs. antenna signal input with the R 15 and to adjust the maximum muting attenuation determined by setting the noise level at no signal. The slope of the curve for the muting attenuation vs. antenna signal input level can also be adjusted by the resistor connected between the pin14 and the pin6. However, if the resistor is too high, the muting control current does not flow into pin6 over than 120 ㎂ even though the maximum muting drive output(V 14) is applied, namely the muting attenuation doesn't reach its maximum value. A recommended value of the resistor between the pin14 and the pin6 is about 22kΩ. SL1018 ANT Input 0 V 14 V 16 1 2 3 4 5 V 15 - Fig. 4 - -Fig.4- |
Số phần tương tự - SL1018_1 |
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Mô tả tương tự - SL1018_1 |
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