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參數(shù)資料
| 型號(hào)： | MSM7557 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | Single Chip MSK Modem with Compandor for Cordless Telephone |
| 中文描述： | 單芯片MSK調(diào)制解調(diào)器無(wú)繩電話與Compandor |
| 文件頁(yè)數(shù)： | 20/25頁(yè) |
| 文件大?。?/td> | 153K |
| 代理商： | MSM7557 |
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MSM7557
Semiconductor
MSM7557 Filter Characteristics
MSM7557 has wide band filters (0.3 kHz to 3.4 kHz) as follows.
Pre-Emphasis ........................................................................................................ Fig. 4
Splatter Filter ........................................................................................................ Fig. 5
RBPF ....................................................................................................................... Fig. 6
De-Emphasis ......................................................................................................... Fig. 7
Transmit Total (HPF1 + Pre-Emphasis + Splatter) ......................................... Fig. 8
Receive Total (RBPF + De-Emphasis) ............................................................... Fig. 9
Transmit and Receive Total................................................................................ Fig. 10
Fig. 4 to Fig. 10 show the filter characteristics when RCK2 is digital "0". When RCK1 is digital "0" and
RCK2 is digital "1", the filter characteristics change 0.972 times on the frequency axis. (pass-band
becomes narrow) When RCK1 is digital "1" and RCK2 is digital "1", the filter characteristics change
1.029 times on the frequency axis. (pass-band becomes wide)
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| MSM7566GS-K | 制造商:OKI 制造商全稱:OKI electronic componets 功能描述:Single Rail CODEC |
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