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參數(shù)資料
| 型號(hào)： | MC14LC5481 |
| 廠商： | Motorola, Inc. |
| 元件分類(lèi)： | Codec |
| 英文描述： | PCM Codec-Filter(PCM 編解碼-濾波器) |
| 中文描述： | PCM編解碼器，過(guò)濾器（的PCM編解碼-濾波器） |
| 文件頁(yè)數(shù)： | 11/16頁(yè) |
| 文件大?。?/td> | 313K |
| 代理商： | MC14LC5481 |
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MC14LC5480EVK
MOTOROLA
11
J19A: BCLKR + BCLK
J19A connects BCLKR (Pin 9) of the PCM Codec–Filter to BCLK.
J19B: BCLKR = VDD
J19B connects BCLKR (Pin 9) of the PCM Codec–Filter to VDD for IDL interface compatibili-
ty.
J19C: BCLKR = VSS
J19C connects BCLKR (Pin 9) of the PCM Codec–Filter to VSS for GCI interface compatibili-
ty.
J20A: FSR = FSYNC
J20A connects FSR (Pin 7) of the PCM Codec–Filter to FSYNC.
J20B: FSR = VDD
J20B connects FSR (Pin 7) of the PCM Codec–Filter to VDD to select channel B2 in the IDL
or GCI ISDN mode.
J20C: FSR = VSS
J20C connects FSR (Pin 7) of the PCM Codec–Filter to VSS to select channel B1 in the IDL
or GCI ISDN mode.
J21:
DT OUT
J21 connects DT of the PCM Codec–Filter to P13 (Pin 9).
2.3
HANDSET
The compatible handset included with the kit is a Walker Equipment Corporation
W3–KM–EM–80RP00, reverse polarity. The handset is a “K” style unit with a 4–pin modular
connector. The handset incorporates a low–level electret microphone and a dynamic receiv-
er equipped with a hearing aid coil and a varistor for receive level limiting.
Transmitter
Transmit Output Level @ 1000 Hz: – 46 dBV
±
4 dB
Output Impedance @ 100 Hz: 1000
±
300
Receiver
Receive Output Level @ 1000 Hz: 79 dBSPL
±
4 dB
Receive Input Impedance @ 100 Hz: 150
±
20%
For more detailed characteristics of the W3–KM–EM–80RP00 handset, please contact
Walker Equipment Corporation at 1–800–HANDSET.
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