Global Patent Index - EP 1753233 A1

EP 1753233 A1 20070214 - T-DMB and DAB low intermediate frequency receiver

Title (en)

T-DMB and DAB low intermediate frequency receiver

Title (de)

Niedrige- Zwischenfrequenz Empfänger für T-DMB und DAB

Title (fr)

Récepteur à fréquence intermédiaire basse pour T-DMB et DAB

Publication

EP 1753233 A1 20070214 (EN)

Application

EP 06118843 A 20060811

Priority

  • KR 20050074552 A 20050813
  • KR 20050075309 A 20050817

Abstract (en)

Provided is a terrestrial-digital multimedia broadcasting (T-DMB) and digital audio broadcasting (DAB) low intermediate frequency (IF) receiver. A T-DMB and DAB low IF receiver comprises a low noise amplifier (LNA) 202b, an image rejection down-conversion mixer 203b, a low pass filter 204b, an amplifier 205b, a local oscillator 208b, a phase-locked loop 209b, and at least one high pass filter 211b. Particularly, the LNA, the image rejection down-conversion mixer, the low pass filter, the amplifier, the local oscillator, the phase-locked loop, and the high pass filter are integrated in a monolithic semiconductor integrated circuit substrate. The T-DMB and DAB low IF receiver allows a removal of a conventional SAW filter without degrading the performance of the receiver. Thus, the T-DMB and DAB low IF receiver can be easily integrated into a single and manufactured at low costs.

IPC 8 full level

H04B 1/06 (2006.01); H04B 1/26 (2006.01); H04B 1/30 (2006.01)

CPC (source: EP)

H04H 40/18 (2013.01)

Citation (search report)

  • [Y] US 2004147238 A1 20040729 - WANG SHOU-TSUNG [TW], et al
  • [Y] US 2004176055 A1 20040909 - VEPSALAINEN JUSSI [FI], et al
  • [A] WO 02093732 A2 20021121 - KONINKL PHILIPS ELECTRONICS NV [NL], et al
  • [Y] LUFF G F ET AL: "A compact triple-band eureka-147 RF tuner with an FM receiver", SOLID-STATE CIRCUITS CONFERENCE, 2005. DIGEST OF TECHNICAL PAPERS. ISSCC. 2005 IEEE INTERNATIONAL SAN FRANCISCO, CA, USA FEB. 6-10, 2005, PISCATAWAY, NJ, USA,IEEE, 6 February 2005 (2005-02-06), pages 434, 435,608, XP010830892, ISBN: 0-7803-8904-2
  • [A] JOSE EPIFANIO DA FRANCA ET AL: "WIRELESS RECEIVERS: ARCHITECTURES AND IMAGE REJECTION", CIRCUIT DESIGN FOR WIRELESS COMMUNICATIONS, SPRINGER,, DE, 2003, pages 9 - 32, XP009061090
  • [A] PHILIPS: "TDA827x Silicon Tuner Family", INTERNET CITATION, June 2003 (2003-06-01), XP002365815, Retrieved from the Internet <URL:http://www.semiconductors.philips.com/acrobat_download/literature/939 7/75011533.pdf> [retrieved on 20060202]

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA HR MK YU

DOCDB simple family (publication)

EP 1753233 A1 20070214; JP 2007053758 A 20070301

DOCDB simple family (application)

EP 06118843 A 20060811; JP 2006221266 A 20060814