Global Patent Index - EP 1743396 A2

EP 1743396 A2 20070117 - BROADBAND BALANCE-TO-UNBALANCE TRANSFORMER

Title (en)

BROADBAND BALANCE-TO-UNBALANCE TRANSFORMER

Title (de)

BREITBANDIGER SYMMETRIERÜBERTRAGER

Title (fr)

SYMETRISEUR LARGE BANDE

Publication

EP 1743396 A2 20070117 (DE)

Application

EP 05732248 A 20050414

Priority

  • EP 2005003957 W 20050414
  • DE 102004022185 A 20040505

Abstract (en)

[origin: WO2005109975A2] The invention relates to a balance-to-unbalance transformer (balun) comprising a first signal input/output (1) with two symmetrical poles (2, 3), a second signal input (4) with one pole (5), several first conductor loop regions (6, 9, 10), which are located between the two poles (2, 3) of the first signal input (1) and the ground (7) and a second series connection (11) of several conductor loop regions (12, 13), the first terminal (14) of the latter being connected to the pole (5) of the second signal input (4). Two second conductor loop regions (12, 13) are electromagnetically coupled to a respective conductor loop region (6, 9). The second outer terminal (15) of the second series connection (11) of several second conductor loop regions (12, 13) is electrically connected to the intermediate terminal (16) of a first series connection (8) of several first conductor loop regions (9, 10), which connect a symmetrical pole (2) of the first signal input (1) to the ground (7).

IPC 8 full level

H01P 5/10 (2006.01); H05K 1/16 (2006.01)

CPC (source: EP US)

H01P 5/10 (2013.01 - EP US)

Citation (search report)

See references of WO 2005109975A2

Designated contracting state (EPC)

DE ES FR GB IT

DOCDB simple family (publication)

WO 2005109975 A2 20051117; WO 2005109975 A3 20060406; DE 102004022185 A1 20051201; DE 502005003204 D1 20080424; EP 1743396 A2 20070117; EP 1743396 B1 20080312; ES 2301006 T3 20080616; JP 2007536839 A 20071213; JP 4437153 B2 20100324; US 2008231388 A1 20080925; US 7656247 B2 20100202

DOCDB simple family (application)

EP 2005003957 W 20050414; DE 102004022185 A 20040505; DE 502005003204 T 20050414; EP 05732248 A 20050414; ES 05732248 T 20050414; JP 2007511913 A 20050414; US 56867105 A 20050414