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| ltc1258cms8资料 | |
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ltc1258cms8 |
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file size : 116 kb
manufacturer:linear description:the receive (d/a) filter provides interpolation filtering on the 8 khz sample and hold signal from the codec. the filter consists of a 3.4 khz lowpass fifth-order elliptic section clocked at 128 khz and performs bandlimiting and smoothing of the 8 khz "staircase" waveform. in addition, sinx/x gain correction is applied to the signal to compensate for the attenuation of higher frequencies caused by the capacitive sample and hold circuit. the absolute gain of the receive filter can be adjusted from 0 db to -7 db in 1 db steps by means of three binary controlled gain pads. the resulting lowpass characteristics, with the limits shown in figure 11, meet the ccitt and at & t recommended specifications. |
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| 1pcs | 100pcs | 1k | 10k | ||
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型 号：ltc1258cms8 厂 家：linear 封 装：0611 批 号：smd/dip 数 量：2445 说 明： |
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运 费： 所在地： 新旧程度： |
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| 联系人：林浩/林妮 |
| 电 话：0755-82532799/82532766/83989559 |
| 手 机：13510168121/13725556003 |
| qq：496982847/351622092 |
| msn：linearic@hotmail.com |
| 传 真：0755-82532766 |
| email：maxim_zi@126.com |
| 公司地址： 深圳市福田区佳和大厦b座1802室 门市部：华强广场 q2a114展销柜 |
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