US 11,955,947 B2
Balun and amplifier including balun
Andrzej Klimczak, Warsaw (PL); Marcin Golan, Warsaw (PL); and Pawel Ozimek, Warsaw (PL)
Assigned to TRUMPF HUETTINGER SP. Z O. O., Zielonka (PL)
Filed by TRUMPF Huettinger Sp. z o. o., Zielonka (PL)
Filed on Feb. 1, 2021, as Appl. No. 17/163,605.
Application 17/163,605 is a continuation of application No. PCT/EP2019/070378, filed on Jul. 29, 2019.
Claims priority of application No. 18461596 (EP), filed on Aug. 2, 2018.
Prior Publication US 2021/0159872 A1, May 27, 2021
Int. Cl. H03F 3/26 (2006.01); H03H 7/42 (2006.01)
CPC H03H 7/42 (2013.01) [H03F 3/265 (2013.01); H03F 2200/09 (2013.01); H03F 2200/451 (2013.01)] 26 Claims
OG exemplary drawing
 
1. A balun configured for a power range between 500 W and 5 kW output, the balun comprising:
a balanced signal port comprising a first connection and a second connection;
a single-ended signal port comprising a third connection and a fourth connection, the fourth connection being connected to ground;
a first capacitor disposed between the first connection and a first end of a first resistor;
a second capacitor disposed between the second connection and the first end of the first resistor; and
a third capacitor connecting a second end of the first resistor to ground.