EP 0943180 A1 19990922 - MULTICHANNEL RADIO DEVICE, A RADIO COMMUNICATION SYSTEM, AND A FRACTIONAL DIVISION FREQUENCY SYNTHESIZER
Title (en)
MULTICHANNEL RADIO DEVICE, A RADIO COMMUNICATION SYSTEM, AND A FRACTIONAL DIVISION FREQUENCY SYNTHESIZER
Title (de)
MEHRKANALIGES FUNKGERÄT, FUNKKOMMUNIKATIONSSYSTEM UND FREQUENZSYNTHETISIERER MIT GEBROCHENEM TEILVERHÄLTNIS
Title (fr)
DISPOSITIF RADIO MULTICANAL, SYSTEME DE RADIOCOMMUNICATION, ET SYNTHETISEUR DE FREQUENCE A DIVISION FRACTIONNELLE
Publication
Application
Priority
- EP 98929594 A 19980716
- EP 97202491 A 19970812
- IB 9801081 W 19980716
Abstract (en)
[origin: WO9908384A2] Known are fractional division synthesizers for multichannel radio devices. A new architecture for such a type of synthesizer is proposed not having the drawbacks of such known synthesizers and having the same phase noise properties as ordinary integer divide by N synthesizers. The novel architecture has a main PLL with a first integer frequency divider in its feedback loop and further an auxiliary PLL having a second integer frequency divider in its feedback loop.
IPC 1-7
IPC 8 full level
H03L 7/22 (2006.01); H03L 7/06 (2006.01); H03L 7/197 (2006.01); H03L 7/23 (2006.01); H04B 1/26 (2006.01); H03L 7/193 (2006.01)
CPC (source: EP KR)
H03L 7/06 (2013.01 - KR); H03L 7/235 (2013.01 - EP); H03L 7/193 (2013.01 - EP)
Designated contracting state (EPC)
DE ES FR GB IT
DOCDB simple family (publication)
WO 9908384 A2 19990218; WO 9908384 A3 19990429; CN 1241325 A 20000112; EP 0943180 A1 19990922; JP 2001502157 A 20010213; KR 20000068744 A 20001125
DOCDB simple family (application)
IB 9801081 W 19980716; CN 98801515 A 19980716; EP 98929594 A 19980716; JP 51189699 A 19980716; KR 19997003082 A 19990409