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參數(shù)資料
| 型號(hào)： | HT9015 |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | RF Single Chip for Cordless Phone |
| 中文描述： | 射頻單芯片無(wú)繩電話 |
| 文件頁(yè)數(shù)： | 19/23頁(yè) |
| 文件大小： | 206K |
| 代理商： | HT9015 |
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HT9015
19
April 10, 2000
Preliminary
PLL
The figure below shows a simplified block dia-
gram of the programmable universal dual
phase-locked loop (PLL). It provides accurate
channel frequencies for cordless phone.
The PLL contains one 14-bit programmable
counter, one phase detector, charge pump, un-
lock detector and the 2nd local oscillator. The
12-bit programmable counter provides the ref-
erence frequency for the receiver (RX) and
transmitter (TX) loops.
This dual PLL is fully programmable through
the C serial interface and supports most coun-
try channel frequencies including USA, Spain,
Australia, Korea, New Zealand, U.K., Nether-
lands, France, Taiwan, and China.
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Figure 9 PLL block diagram
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HT9020B | Call Progress Tone Detector |
| HT9020 | Call Progress Tone Decoder & ABR Controller |
| HT9020A | Call Progress Tone Decoder & ABR Controller |
| HT9032 | Calling Line Identification Receiver |
| HT9033 | CAS Tone Detector |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HT9020 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:Call Progress Tone Decoder & ABR Controller |
| HT9020A | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:Call Progress Tone Decoder & ABR Controller |
| HT9020A(18DIP) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Subscriber Line Metering/Monitoring Circuit |
| HT9020A(18SOIC) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Subscriber Line Metering/Monitoring Circuit |
| HT9020B | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:Call Progress Tone Decoder & ABR Controller |
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