EP 0218846 B1 19891102 - HIGH-FREQUENCY WIDE BAND TRANSFORMER CIRCUIT
Title (en)
HIGH-FREQUENCY WIDE BAND TRANSFORMER CIRCUIT
Publication
Application
Priority
DE 3536799 A 19851016
Abstract (en)
[origin: EP0218846A1] 1. A high-frequency wide band transformer circuit having a twin-hole (19) core and planar windings, a second winding (W2) being provided between an input (E) of the circuit and a first output (A), the first output (A) being connected to earth potential by way of a fourth winding (W4) and a resistor (R3) connected in series therewith, a tapping between a first resistor (R1) connected to earth and a third winding (W3) connected to a second output (S) being connected to earth by way of a first winding (W1) and a second resistor (R2), characterised in that a first conductor path (230) is disposed between that end (J) of the first winding (W1) which is remote from the second resistor (R2) and the tapping (K), and a second conductor path (240) is disposed between that end (L) of the second winding (W2) which is remote from the input (E) and that end (M) of the fourth winding (W4) which is remote from the third resistor (R3), said conductor paths being commonly disposed in an additional substrate plate (30) which is metal clad on one side and which is secured in, and at right angles to, the printed circuit board (10).
IPC 1-7
IPC 8 full level
H01F 17/00 (2006.01); H01F 19/06 (2006.01); H03H 7/48 (2006.01)
CPC (source: EP)
H01F 17/0006 (2013.01); H01F 19/06 (2013.01)
Designated contracting state (EPC)
AT BE CH DE LI NL SE
DOCDB simple family (publication)
EP 0218846 A1 19870422; EP 0218846 B1 19891102; AT E47767 T1 19891115; DE 3536799 A1 19870416; DE 3666744 D1 19891207; DK 163904 B 19920413; DK 163904 C 19920914; DK 493686 A 19870417; DK 493686 D0 19861015
DOCDB simple family (application)
EP 86111320 A 19860816; AT 86111320 T 19860816; DE 3536799 A 19851016; DE 3666744 T 19860816; DK 493686 A 19861015