KR100617536B1 - 무선가입자망 단말기의 주파수 제어 장치 - Google Patents
무선가입자망 단말기의 주파수 제어 장치 Download PDFInfo
- Publication number
- KR100617536B1 KR100617536B1 KR1020000053799A KR20000053799A KR100617536B1 KR 100617536 B1 KR100617536 B1 KR 100617536B1 KR 1020000053799 A KR1020000053799 A KR 1020000053799A KR 20000053799 A KR20000053799 A KR 20000053799A KR 100617536 B1 KR100617536 B1 KR 100617536B1
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- South Korea
- Prior art keywords
- frequency
- signal
- unit
- transmission
- reception
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/14—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/081—Details of the phase-locked loop provided with an additional controlled phase shifter
- H03L7/0812—Details of the phase-locked loop provided with an additional controlled phase shifter and where no voltage or current controlled oscillator is used
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
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Abstract
Description
Claims (2)
- 무선가입자망 단말기에 있어서,단말기 전체를 감시 및 제어함과 동시에 고주파부의 송신주파수 및 수신주파수를 제어하는 데이터 신호와 상기 데이터 신호가 인가될 주소신호를 출력하는 제어부와,상기 제어부로부터 출력되는 데이터 신호와 주소신호를 인가받고, 송신 및 수신주파수를 위한 중간주파수를 제어하는 주파수 데이터 신호, 송수신 고주파부를 동작하도록 하는 클럭신호, 송신 및 수신 주파수합성부를 선택하는 선택신호를 출력하는 변환부와,상기 변환부로부터 출력되는 신호를 인가받고, 송신용 중간주파수와 수신용 중간주파수를 생성하여 송신주파수와 수신주파수를 제어하는 고주파부를 포함하여 구성되는 것을 특징으로 하는 무선가입자망 단말기의 주파수 제어 장치
- 제1 항에 있어서,상기 변환부는, 상기 제어부로부터 인가되는 데이터 신호와 주소신호를 입력받아 해석하므로서, 제1 선택신호, 제2 선택신호, 클럭신호를 출력함과 동시에 데이터 신호를 8 비트 단위로 분할하여 각각 출력하는 해석부와,상기 해석부로부터 8 비트 단위로 분할되어 출력되는 데이터를 인가받아 잠시 저장하는 다수의 버퍼와,상기 다수의 버퍼로부터 출력되는 신호를 각각 인가받고 직렬 신호로 변환하여 출력하는 다수의 시프트 레지스터와,상기 해석부로부터 출력되는 클럭신호를 인가받아 계수하여, 상기 다수의 시프트 레지스터를 순서적으로 동작하도록 제어하는 신호와 상기 고주파부를 동작시키는 고주파부클럭신호를 출력하는 카운터와,상기 카운터로부터 출력되는 신호에 의하여 상기 다수의 시프트 레지스터로부터 순서적으로 직렬 데이터를 입력받고 주파수 데이터 신호로써 출력하는 먹스부로 구성되는 것을 특징으로 하는 무선가입자망 단말기의 주파수 제어 장치
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020000053799A KR100617536B1 (ko) | 2000-09-09 | 2000-09-09 | 무선가입자망 단말기의 주파수 제어 장치 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020000053799A KR100617536B1 (ko) | 2000-09-09 | 2000-09-09 | 무선가입자망 단말기의 주파수 제어 장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20020020557A KR20020020557A (ko) | 2002-03-15 |
| KR100617536B1 true KR100617536B1 (ko) | 2006-09-04 |
Family
ID=19688473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020000053799A Expired - Fee Related KR100617536B1 (ko) | 2000-09-09 | 2000-09-09 | 무선가입자망 단말기의 주파수 제어 장치 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100617536B1 (ko) |
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2000
- 2000-09-09 KR KR1020000053799A patent/KR100617536B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR20020020557A (ko) | 2002-03-15 |
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